<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-01-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001327688</issuerCik>
        <issuerName>OOMA INC</issuerName>
        <issuerTradingSymbol>OOMA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001648242</rptOwnerCik>
            <rptOwnerName>Worldview Equity I, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001418120</rptOwnerCik>
            <rptOwnerName>WORLDVIEW TECHNOLOGY INTERNATIONAL IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001144548</rptOwnerCik>
            <rptOwnerName>WORLDVIEW STRATEGIC PARTNERS IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001167196</rptOwnerCik>
            <rptOwnerName>WEI JAMES</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001418083</rptOwnerCik>
            <rptOwnerName>Orsak Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001130736</rptOwnerCik>
            <rptOwnerName>WORLDVIEW TECHNOLOGY PARTNERS IV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001418206</rptOwnerCik>
            <rptOwnerName>Tanaka Susumu</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001648243</rptOwnerCik>
            <rptOwnerName>Worldview Capital IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 ALMADEN BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>6TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-01-19</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20655</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21661</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Worldview Strategic Partners IV, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-01-19</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>454814</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>476965</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Worldview Technology International IV, L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-01-19</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2799531</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2935884</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Worldview Technology Partners IV, L.P.</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares sold pursuant to that certain Purchase Agreement, dated as of January 12, 2017 by and among the Issuer, B. Riley &amp; Co., LLC, Worldview Technology Partners IV, L.P., Worldview Technology International IV, L.P. and Worldview Strategic Partners IV, L.P. (the &quot;Transaction&quot;). The Transaction closed on January 19, 2017.</footnote>
        <footnote id="F2">Shares held directly by Worldview Strategic Partners IV, L.P. (&quot;Strategic IV&quot;). Worldview Capital IV, L.P., the general partner of Strategic IV, and Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P., may each be deemed to have sole voting and dispositive power over the shares held by Strategic IV. James Wei, Michael Orsak and Susumu Tanaka are the managing members of Worldview Equity I, L.L.C. and may be deemed to share voting and dispositive power over the shares held by Strategic IV. Such persons and entities disclaim beneficial ownership of shares held by Strategic IV, except to the extent of any pecuniary interest therein.</footnote>
        <footnote id="F3">Shares held directly by Worldview Technology International IV, L.P. (&quot;International IV&quot;). Worldview Capital IV, L.P., the general partner of International IV, and Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P., may each be deemed to have sole voting and dispositive power over the shares held by International IV. James Wei, Michael Orsak and Susumu Tanaka are the managing members of Worldview Equity I, L.L.C. and may be deemed to share voting and dispositive power over the shares held by International IV. Such persons and entities disclaim beneficial ownership of shares held by International IV, except to the extent of any pecuniary interest therein.</footnote>
        <footnote id="F4">Shares held directly by Worldview Technology Partners IV, L.P. (&quot;Technology IV&quot;). Worldview Capital IV, L.P., the general partner of Technology IV, and Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P., may each be deemed to have sole voting and dispositive power over the shares held by Technology IV. James Wei, Michael Orsak and Susumu Tanaka are the managing members of Worldview Equity I, L.L.C. and may be deemed to share voting and dispositive power over the shares held by Technology IV. Such persons and entities disclaim beneficial ownership of shares held by Technology IV, except to the extent of any pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Worldview Equity I, L.L.C.</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P., the general partner of Worldview Technology International IV, L.P.</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P., the general partner of Worldview Strategic Partners IV, L.P.</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for James Wei</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Michael Orsak</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P., the general partner of Worldview Technology Partners IV, L.P.</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Susumu Tanaka</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ James N. Strawbridge, as attorney-in-fact for Worldview Equity I, L.L.C., the general partner of Worldview Capital IV, L.P.</signatureName>
        <signatureDate>2017-01-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
