-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NGKYVEESELKAJAQax6HqOQs8eur8BJWEfhVOEuESoIG7gHEA06nR9zArRMC2j9ln
 ms5cL53kgGMXNmNBHt+U1A==

<SEC-DOCUMENT>0001104659-03-027691.txt : 20031203
<SEC-HEADER>0001104659-03-027691.hdr.sgml : 20031203
<ACCEPTANCE-DATETIME>20031203131346
ACCESSION NUMBER:		0001104659-03-027691
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031201
FILED AS OF DATE:		20031203

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VERARDI FRANK
		CENTRAL INDEX KEY:			0001243296

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11807
		FILM NUMBER:		031034767

	BUSINESS ADDRESS:	
		STREET 1:		2101 ARENA BLVD
		STREET 2:		SUITE 100
		CITY:			SACRAMENTO
		STATE:			CA
		ZIP:			95834
		BUSINESS PHONE:		9169286400

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIFY CORP
		CENTRAL INDEX KEY:			0000880562
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				770427069
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0430

	BUSINESS ADDRESS:	
		STREET 1:		181 METRO DR
		STREET 2:		3RD FL
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
		BUSINESS PHONE:		4084674500

	MAIL ADDRESS:	
		STREET 1:		181 METRO DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
  <periodOfReport>2003-12-01</periodOfReport>
  <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000880562</issuerCik>
        <issuerName>UNIFY CORP</issuerName>
        <issuerTradingSymbol>UNFY</issuerTradingSymbol>
  </issuer>
  <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001243296</rptOwnerCik>
            <rptOwnerName>VERARDI FRANK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
      <isDirector>0</isDirector>
      <isOfficer>1</isOfficer>
      <isTenPercentOwner>0</isTenPercentOwner>
      <isOther>0</isOther>
      <officerTitle>V.P. Technical Services</officerTitle>
    </reportingOwnerRelationship>
  </reportingOwner>
  <nonDerivativeTable>
    <nonDerivativeTransaction>
      <securityTitle>
        <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
        <value>2003-12-01</value>
      </transactionDate>
      <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>J</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
        <value></value>
      </transactionTimeliness>
      <transactionAmounts>
        <transactionShares>
          <value>12321</value>
        </transactionShares>
        <transactionPricePerShare>
          <value>.31</value>
        </transactionPricePerShare>
        <transactionAcquiredDisposedCode>
          <value>A</value>
        </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>132113</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </nonDerivativeTransaction>
  </nonDerivativeTable>
  <derivativeTable>
    <derivativeHolding>
      <securityTitle>
        <value>Stock Option</value>
      </securityTitle>
      <conversionOrExercisePrice>
        <value>1.78</value>
      </conversionOrExercisePrice>
      <exerciseDate>
        <footnoteId id="F1"/>
      </exerciseDate>
      <expirationDate>
        <value>2007-02-07</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>10000</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>10000</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </derivativeHolding>
    <derivativeHolding>
      <securityTitle>
        <value>Stock Option</value>
      </securityTitle>
      <conversionOrExercisePrice>
        <value>5.16</value>
      </conversionOrExercisePrice>
      <exerciseDate>
        <footnoteId id="F2"/>
      </exerciseDate>
      <expirationDate>
        <value>2009-08-03</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>10000</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>10000</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </derivativeHolding>
    <derivativeHolding>
      <securityTitle>
        <value>Stock Option</value>
      </securityTitle>
      <conversionOrExercisePrice>
        <value>.25</value>
      </conversionOrExercisePrice>
      <exerciseDate>
        <footnoteId id="F3"/>
      </exerciseDate>
      <expirationDate>
        <value>2011-09-26</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>40000</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>40000</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </derivativeHolding>
    <derivativeHolding>
      <securityTitle>
        <value>Stock Option</value>
      </securityTitle>
      <conversionOrExercisePrice>
        <value>.26</value>
      </conversionOrExercisePrice>
      <exerciseDate>
        <footnoteId id="F4"/>
      </exerciseDate>
      <expirationDate>
        <value>2011-11-16</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>50000</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>50000</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </derivativeHolding>
    <derivativeHolding>
      <securityTitle>
        <value>Stock Option</value>
      </securityTitle>
      <conversionOrExercisePrice>
        <value>.55</value>
      </conversionOrExercisePrice>
      <exerciseDate>
        <footnoteId id="F5"/>
      </exerciseDate>
      <expirationDate>
        <value>2012-05-09</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>75000</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>75000</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </derivativeHolding>
  </derivativeTable>
  <footnotes>
    <footnote id="F1">Option granted 2/7/97 (#2954), pursuant to the 1991 Stock Option Plan and vests as to one fourth of the subject shares one year from the grant date and an additional one forty-eighth of the subject shares upon completion of each full month of continuous employment with Unify Corporation. Option is exercisable to the extent vested.</footnote>
    <footnote id="F2">Option granted 8/3/99 (#3240), pursuant to the 1991 Stock Option Plan and vests as to one fourth of the subject shares one year from the grant date and an additional one forty-eighth of the subject shares upon completion of each full month of continuous employment with Unify Corporation. Option is exercisable to the extent vested.</footnote>
    <footnote id="F3">Option granted 9/26/01 (#3496), pursuant to the 2001 Stock Option Plan and vests as to one fourth of the subject shares one year from the grant date and an additional one forty-eighth of the subject shares upon completion of each full month of continuous employment with Unify Corporation. Option is exercisable to the extent vested.</footnote>
    <footnote id="F4">Option granted 11/16/01 (#3506), pursuant to the 2001 Stock Option Plan and vests monthly as to one forty-eighth (1/48th) of the subject shares upon completion of each full month of continuous employment with Unify Corporation. Option is exercisable to the extent vested.</footnote>
    <footnote id="F5">Option granted 05/0902 (#3534), pursuant to the 2001 Stock Option Plan and vests monthly as to one forty-eighth (1/48th) of the subject shares upon completion of each full month of continuous employment with Unify Corporation. Option is exercisable to the extent vested.</footnote>
  </footnotes>
  <ownerSignature>
    <signatureName>Doreen Paige, by power of attorney</signatureName>
    <signatureDate>2003-12-03</signatureDate>
  </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----