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Best of · Arbitrum · Updated

The best Dex Aggregators on Arbitrum in 2026

We track 8 Dex Aggregators that run on Arbitrum and have reviewed 6 of them in full. Our top pick is CoWSwap. Each one is scored on security, ease of use, fees and features.

Ranked list

  1. 1
    CoWSwap logo

    CoWSwap

    Dex Aggregator · Ethereum, Base, Arbitrum

    CoW Swap is a DEX aggregator that groups trades into batch auctions, matches opposing orders directly and aims to shield users from MEV. It suits traders who care about execution quality more than instant fills.

    Read the CoWSwap reviewVisit CoWSwap(opens in a new tab)
    ScoreScore 7.8 out of 10
    TVL —
  2. 2

    Openocean

    Dex Aggregator · Ethereum, BNB Chain, Solana +2

    OpenOcean is a DEX aggregator that routes token swaps across many decentralized exchanges and chains to find a better price. It suits active DeFi users, but fees, audits and team details are not published in the sources reviewed.

    Read the Openocean review
    ScoreScore 7.0 out of 10
    TVL —
  3. 3
    Chainspot logo

    Chainspot

    Dex Aggregator · Arbitrum, Aurora, Avalanche +20

    Chainspot is a cross-chain aggregator that routes token swaps, bridges and yield-vault deposits across many EVM and non-EVM networks. It suits users who move assets between chains often and want one interface to compare routes, with the usual bridge and contract risks.

    Read the Chainspot reviewVisit Chainspot(opens in a new tab)
    ScoreScore 6.2 out of 10
    TVL —
  4. 4
    Hashflow logo

    Hashflow

    Dex Aggregator · Ethereum, Arbitrum, Polygon +3

    Hashflow is an RFQ-based trading platform that routes swaps through professional market makers on six EVM chains. Its listed TVL is small and no audits are listed, so check current details before relying on it.

    Read the Hashflow reviewVisit Hashflow(opens in a new tab)
    ScoreScore 6.0 out of 10
    TVL $255K−0.5%
  5. 5
    Cryptohub logo

    Cryptohub

    Dex Aggregator · Ethereum, BNB Chain, Polygon +5

    CryptoHub is a non-custodial swap aggregator on nine EVM networks that also offers a launchpad, token vesting and token-creation tools. It is simple to use, but the 0.5% swap fee and the lack of published audits are the main points to weigh.

    Read the Cryptohub reviewVisit Cryptohub(opens in a new tab)
    ScoreScore 5.8 out of 10
    TVL —
  6. 6
    CrowdSwap logo

    CrowdSwap

    Dex Aggregator · Polygon, BNB Chain, Arbitrum +2

    CrowdSwap is a DEX aggregator that routes token swaps to find better prices across several chains. It is a small project with no listed audits and thin trading activity.

    Read the CrowdSwap reviewVisit CrowdSwap(opens in a new tab)
    ScoreScore 4.5 out of 10
    TVL $16.7K+1.6%
  7. 7
    Unidex logo

    Unidex

    Dex Aggregator · Ethereum, Optimism, Arbitrum +3

    UniDex’s legacy site is a wallet interface for migrating UNIDX to MOLTEN and withdrawing funds from deprecated positions. It is not presented as a current trading dashboard, and users should check contract details before signing transactions.

    Read the Unidex reviewVisit Unidex(opens in a new tab)
    ScoreNot rated yet
    TVL —
  8. 8
    Arcane Dex logo

    Arcane Dex

    Dex Aggregator · Arbitrum

    Arcane DEX is described as a DEX aggregator on Arbitrum, but its current website focuses on Arcane’s privacy infrastructure and gives little detail about the trading product.

    Read the Arcane Dex reviewVisit Arcane Dex(opens in a new tab)
    ScoreNot rated yet
    TVL —

Dex Aggregators on Arbitrum: the numbers

Tracked
8
Reviewed
8
Total TVL
$271K
Avg. score
6.2/10

There are 8 dex aggregators on Arbitrum in the DappsAtlas index. Every one of them has a full review. The 2 that report TVL hold $271K between them, counting value on every chain they support.

By value locked, the largest dex aggregators on Arbitrum are Hashflow ($255K) and CrowdSwap ($16.7K). On DappsAtlas scores, CoWSwap ranks first at 7.8/10, ahead of Openocean (7.0) and Chainspot (6.2). The 6 rated dex aggregators average 6.2/10, and none scores 8 or above yet.

Beyond Arbitrum, these dex aggregators most often also run on Ethereum (7), BNB Chain (5) and Polygon (5). All 6 with a confirmed status are active.

Largest by TVL

  1. 1Hashflow logoHashflow$255K
  2. 2CrowdSwap logoCrowdSwap$16.7K

Highest rated

  1. 1CoWSwap logoCoWSwap7.8
  2. 2Openocean7.0
  3. 3Chainspot logoChainspot6.2
  4. 4Hashflow logoHashflow6.0
  5. 5Cryptohub logoCryptohub5.8

Method

How we ranked them

Reviewed dApps come first. Each DappsAtlas review scores security, ease of use, fees and features from 0 to 10 using public facts such as audits, documentation and on-chain data; the overall score orders the list, with total value locked as the tie-breaker. Projects we have not reviewed yet follow, ordered by total value locked. Scores are never sold.

Guides

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Frequently asked questions

What is the largest dex aggregator on Arbitrum by TVL?

Hashflow is the largest dex aggregator on Arbitrum by total value locked, with $255K across all the chains it supports. It is followed by CrowdSwap ($16.7K). TVL figures come from DefiLlama and change daily.

Which dex aggregator on Arbitrum has the highest DappsAtlas score?

CoWSwap has the highest score at 7.8/10, ahead of Openocean (7.0) and Chainspot (6.2). Scores weigh security, ease of use, fees and features, and are based only on facts we could verify.

How many dex aggregators on Arbitrum has DappsAtlas reviewed?

DappsAtlas tracks 8 dex aggregators on Arbitrum. Of these, 8 have a full review and 2 report value locked, $271K in total, counting value on every chain they support.

What is the average score for dex aggregators on Arbitrum?

The 6 rated dex aggregators on Arbitrum average 6.2 out of 10. Of these, 0 score 8 or higher and 1 score below 5.