diff --git a/apps/contribution/contracts/Contribution.sol b/apps/contribution/contracts/Contribution.sol
index 8377913..89bdfc7 100644
--- a/apps/contribution/contracts/Contribution.sol
+++ b/apps/contribution/contracts/Contribution.sol
@@ -60,23 +60,18 @@ contract Contribution is AragonApp {
     initialized();
   }
 
-  // TODO refactor into a single function
-  function getTokenContract() public view returns (address) {
+  function getContract(uint8 appId) public view returns (address) {
     IKernel k = IKernel(kernel());
-    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Token)]);
-  }
-  function getContributorContract() public view returns (address) {
-    IKernel k = IKernel(kernel());
-    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Contributor)]);
+    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[appId]);
   }
 
   function getContributorIdByAddress(address contributorAccount) public view returns (uint32) {
-    address contributor = getContributorContract();
+    address contributor = getContract(uint8(Apps.Contributor));
     return ContributorInterface(contributor).getContributorIdByAddress(contributorAccount);
   }
 
   function getContributorAddressById(uint32 contributorId) public view returns (address) {
-    address contributor = getContributorContract();
+    address contributor = getContract(uint8(Apps.Contributor));
     return ContributorInterface(contributor).getContributorAddressById(contributorId);
   }
 
@@ -198,14 +193,14 @@ contract Contribution is AragonApp {
     require(block.number >= c.confirmedAtBlock, 'NOT_CLAIMABLE');
 
     c.claimed = true;
-    address token = getTokenContract();
+    address token = getContract(uint8(Apps.Token));
     address contributorAccount = getContributorAddressById(c.contributorId);
     uint256 amount = uint256(c.amount);
     IToken(token).mintFor(contributorAccount, amount, contributionId);
     emit ContributionClaimed(contributionId, c.contributorId, c.amount);
   }
 
-  function exists(uint32 contributionId) view public returns (bool) {
+  function exists(uint32 contributionId) public view returns (bool) {
     return contributions[contributionId].exists;
   }
 }
diff --git a/apps/contributor/contracts/Contributor.sol b/apps/contributor/contracts/Contributor.sol
index 0b595c1..d4844bf 100644
--- a/apps/contributor/contracts/Contributor.sol
+++ b/apps/contributor/contracts/Contributor.sol
@@ -41,19 +41,12 @@ contract Contributor is AragonApp {
     initialized();
   }
 
-  function getTokenContract() public view returns (address) {
+  function getContract(uint8 appId) public view returns (address) {
     IKernel k = IKernel(kernel());
-
-    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Token)]);
+    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[appId]);
   }
 
-  function getContributionContract() public view returns (address) {
-    IKernel k = IKernel(kernel());
-
-    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Contribution)]);
-  }
-
-  function coreContributorsCount() view public returns (uint32) {
+  function coreContributorsCount() public view returns (uint32) {
     uint32 count = 0;
     for (uint32 i = 1; i <= contributorsCount; i++) {
       if (isCoreTeam(i)) {
@@ -136,9 +129,9 @@ contract Contributor is AragonApp {
     hashFunction = c.hashFunction;
     hashSize = c.hashSize;
     isCore = isCoreTeam(id);
-    address token = getTokenContract();
+    address token = getContract(uint8(Apps.Token));
     balance = ITokenBalance(token).balanceOf(c.account);
-    address contribution = getContributionContract();
+    address contribution = getContract(uint8(Apps.Contribution));
     totalKreditsEarned = IContributionBalance(contribution).totalKreditsEarnedByContributor(_id, true);
     contributionsCount = IContributionBalance(contribution).balanceOf(c.account);
     exists = c.exists;
diff --git a/apps/proposal/contracts/Proposal.sol b/apps/proposal/contracts/Proposal.sol
index de89a51..e244695 100644
--- a/apps/proposal/contracts/Proposal.sol
+++ b/apps/proposal/contracts/Proposal.sol
@@ -51,16 +51,13 @@ contract Proposal is AragonApp {
     initialized();
   }
 
-  function getContributorContract() public view returns (address) {
-    return IKernel(kernel()).getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Contributor)]);
-  }
-
-  function getContributionContract() public view returns (address) {
-    return IKernel(kernel()).getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[uint8(Apps.Contribution)]);
+  function getContract(uint8 appId) public view returns (address) {
+    IKernel k = IKernel(kernel());
+    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[appId]);
   }
 
   function addProposal(uint32 contributorId, uint32 amount, bytes32 hashDigest, uint8 hashFunction, uint8 hashSize) public isInitialized auth(ADD_PROPOSAL_ROLE) {
-    require(IContributor(getContributorContract()).exists(contributorId), 'CONTRIBUTOR_NOT_FOUND');
+    require(IContributor(getContract(uint8(Apps.Contributor))).exists(contributorId), 'CONTRIBUTOR_NOT_FOUND');
 
     uint32 proposalId = proposalsCount + 1;
     uint16 _votesNeeded = 1; //contributorsContract().coreContributorsCount() / 100 * 75;
@@ -69,10 +66,10 @@ contract Proposal is AragonApp {
     p.creatorAccount = msg.sender;
     p.contributorId = contributorId;
     p.amount = amount;
-    p.hashDigest  = hashDigest;
+    p.hashDigest = hashDigest;
     p.hashFunction = hashFunction;
-    p.hashSize =  hashSize;
-    p.votesCount =  0;
+    p.hashSize = hashSize;
+    p.votesCount = 0;
     p.votesNeeded = _votesNeeded;
     p.exists = true;
 
@@ -102,7 +99,7 @@ contract Proposal is AragonApp {
   function vote(uint32 proposalId) public isInitialized auth(VOTE_PROPOSAL_ROLE) {
     Proposal storage p = proposals[proposalId];
     require(!p.executed, 'ALREADY_EXECUTED');
-    uint32 voterId = IContributor(getContributorContract()).getContributorIdByAddress(msg.sender);
+    uint32 voterId = IContributor(getContract(uint8(Apps.Contributor))).getContributorIdByAddress(msg.sender);
     require(p.votes[voterId] != true, 'ALREADY_VOTED');
     p.voterIds.push(voterId);
     p.votes[voterId] = true;
@@ -126,7 +123,7 @@ contract Proposal is AragonApp {
     require(p.votesCount >= p.votesNeeded, 'MISSING_VOTES');
 
     p.executed = true;
-    IContribution(getContributionContract()).add(p.amount, p.contributorId, p.hashDigest, p.hashFunction, p.hashSize);
+    IContribution(getContract(uint8(Apps.Contribution))).add(p.amount, p.contributorId, p.hashDigest, p.hashFunction, p.hashSize);
     emit ProposalExecuted(proposalId, p.contributorId, p.amount);
   }