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Crypto · head to head

Polygonscan vs Zerion

Polygonscan logo

Polygonscan

Crypto

Polygon PoS chain explorer

From
Free
Rated
-
Full reviewWebsite
Zerion logo

Zerion

Crypto

Invest in DeFi from one place

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Polygonscan the PolygonScan API page now redirects to Etherscan's unified multichain API pricing, so Polygon data is bought under Etherscan plans rather than a PolygonScan-specific one; Zerion the site names a Premium tier carrying PnL tracking, copy trading and 58 or more chains alongside the free tier, and publishes no price for it
  • They diverge on capability: Polygonscan covers Block Explorer, Zerion covers Portfolio Tracking.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Polygonscan and Zerion actually diverge.

Attributes where Polygonscan and Zerion differ
AttributePolygonscanZerion
PlatformsWeb, ApiWeb, Ios, Android, Chrome
Founded20212016

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Crypto).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Polygonscan

  • Block Explorer
  • Transaction Tracking
  • Token Tracker
  • Contract Verification
  • Bridge Monitor
  • Polygon PoS
  • ERC-20 tokens
  • Api support

Only in Zerion

  • Portfolio Tracking
  • Smart Wallet
  • Cross-chain Swaps
  • DeFi Aggregation
  • NFT Gallery
  • 10+ chains
  • DeFi protocols
  • Ios support

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Polygonscan

  • Exploring Polygon transactions, addresses and token transfersnot Zerion
  • Verifying and reading Polygon smart contract source codenot Zerion
  • Querying Polygon on-chain data through the explorer APInot Zerion

Zerion

  • Walletsnot Polygonscan
  • Portfolionot Polygonscan
  • Definot Polygonscan

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Polygonscan

  • The PolygonScan API page now redirects to Etherscan's unified multichain API pricing, so Polygon data is bought under Etherscan plans rather than a PolygonScan-specific one
  • The free API plan is capped at 3 calls per second and 100,000 calls per day and requires attribution
  • API Pro endpoints start at the Standard plan at $199 per month
  • Rate limits top out at 30 calls per second even on the $899 per month Pro Plus plan
  • Metadata CSV export and dedicated support require Metadata Enterprise, which is quoted by contact with no published price

Zerion

  • The site names a Premium tier carrying PnL tracking, copy trading and 58 or more chains alongside the free tier, and publishes no price for it

Pricing, plan by plan

Polygonscan

Free
  • FreeFree
    • Block explorer
    • 5 API calls/sec
    • Token tracker
  • Pro$199/month
    • Higher rate limits
    • Advanced APIs

Zerion

Free
  • FreeFree
    • Portfolio tracking
    • Wallet
    • Swaps
  • Premium$14.99/month
    • Advanced analytics
    • Priority support
    • DNA NFT

Which should you pick?

Choose Polygonscan if

  • You need block explorer.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want transaction tracking.
Polygonscan review

Choose Zerion if

  • You need portfolio tracking.
  • You want to start without paying.
  • You work on Web, Ios, Android, Chrome.
  • You also want smart wallet.
Zerion review

Questions people ask

Is Polygonscan or Zerion better?
Neither clearly leads. Polygonscan starts at Free and Zerion at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Polygonscan or Zerion?
Polygonscan starts at Free and Zerion at Free.
Does Polygonscan or Zerion run on more platforms?
Polygonscan runs on Web, Api. Zerion runs on Web, Ios, Android, Chrome.
Can I use Polygonscan for free?
Both have a free tier, so you can try either at no cost before committing.
What is Polygonscan best used for?
Polygonscan is most often used for exploring polygon transactions, addresses and token transfers, verifying and reading polygon smart contract source code, querying polygon on-chain data through the explorer api. Of those, exploring polygon transactions, addresses and token transfers and verifying and reading polygon smart contract source code are not what Zerion is typically brought in for.
What can Polygonscan do that Zerion cannot?
Polygonscan covers Block Explorer, Transaction Tracking, Token Tracker, Contract Verification. Zerion covers Portfolio Tracking, Smart Wallet, Cross-chain Swaps, DeFi Aggregation. Both handle Web support.

Answered from the vendors’ own pages

Polygonscan: Does Polygonscan have a free API tier?

Yes. Polygonscan redirects to Etherscan's API pricing, which offers a free tier with 3 calls/second limit and up to 100,000 API calls/day on selected chains. Attribution is required for the free tier.

Source
Zerion: Is Zerion free to use?

Zerion offers a free tier for core wallet and portfolio tracking functionality across 58+ blockchains, with premium features available at additional cost.

Source
Polygonscan: What are the paid API tiers and their costs?

Etherscan offers six paid tiers: Lite ($49/month), Standard ($199), Advanced ($299), Professional ($399), Pro Plus ($899), and Dedicated (custom). All tiers offer discounts for quarterly (10%) or annual (15%) billing.

Source
Zerion: What premium features does Zerion offer?

Zerion's premium features include Real PnL tracking and copy trading, though pricing for these features is not publicly displayed.

Source
Polygonscan: What request limits apply to each tier?

Lite allows 5 calls/second and 100,000 daily calls. Standard provides 10 calls/second and 200,000 daily calls. Advanced offers 20 calls/second and 500,000 daily calls. Professional allows 30 calls/second and 1,000,000 daily calls. Pro Plus supports 30 calls/second and 1,500,000 daily calls. Dedicated offers unmetered calls.

Source
Zerion: How does Zerion monetize?

Zerion likely monetizes through trading fees, premium feature subscriptions, and API access rather than upfront subscription charges based on its freemium app model.

Source
Polygonscan: Are subscriptions auto-renewed and can I get a refund?

Stripe billing auto-renews by default unless canceled before the renewal date. Payments are non-refundable and the provider does not issue refunds or credits.

Source
Polygonscan: Is there a minimum contract or can I cancel anytime?

No minimum contract is stated. Users can cancel anytime before renewal, though payments already made are non-refundable.

Source
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