The Best Polymarket Trading Apps in 2026: Official App, Terminals and Mobile
The best ways to trade Polymarket in 2026, compared: the official Polymarket app, Defined on web, iOS and Android, Axiom, and third-party mobile apps, with fees and features.
4 min read
Polymarket is the largest prediction market, and in 2026 you no longer have to trade it only through polymarket.com. Several apps and terminals route orders to Polymarket's order book and wrap it in different interfaces: an official mobile app, trading terminals that put prediction markets next to tokens and perps, and third-party mobile clients. This guide compares them, checked in October 2026.
One caveat before the list: prediction markets are available in supported regions only, on every app including Polymarket's own. Check availability where you live.
At a glance
| App | Platforms | Fee | Also trades | Charts and data |
|---|---|---|---|---|
| Polymarket | Web, iOS app (US iOS launched May 2026) | Taker fee on most categories; makers and geopolitics markets pay none | Nothing else | Market pages, order book |
| Defined | Web, iOS, Android, Telegram bot | 0.50% per trade, plus Polymarket's own fee | Spot tokens, Hyperliquid perps, sports | Price charts, top prediction traders, positions in one portfolio |
| Axiom | Web | Not published in its docs | Solana spot, Hyperliquid perps | Terminal view |
| Third-party mobile clients | Mostly iOS and Android | Varies | Nothing else | Varies |
1. Polymarket (official)
The source. The web app has every market, the order book, and limit orders, and the official mobile app brings the same to iOS, with the US iOS app opening to everyone in May 2026 after a waitlist. Polymarket charges a taker fee on most market categories (crypto is the highest), makers never pay, and geopolitics and world events markets are fee-free.
Best for: depth of markets and the lowest fee when you only trade predictions.
2. Defined
Defined trades Polymarket from the same account and USDC balance as spot tokens and Hyperliquid perpetuals, on web, iOS and Android. The fee is 0.50% per trade, on top of any Polymarket taker fee. Each event has a price chart for its outcomes, the predictions section ranks the top Polymarket traders by profit so you can see who is consistently right, your prediction positions sit in one portfolio with your tokens and perps, and the sports section pairs live games with their markets. Watchlists cover prediction events and markets too.
Best for: traders who want Polymarket alongside tokens and perps, a chart on every market, a trader leaderboard, and native iOS and Android apps.
3. Axiom
Axiom, the Solana trading terminal, has added Polymarket markets next to its spot and perps trading and appears on Polymarket's builder leaderboard. It is a web terminal. Its docs do not publish a prediction-market fee.
Best for: Solana launch traders who also want a prediction market tab. See Defined vs Axiom.
4. Third-party mobile clients
A handful of independent apps wrap Polymarket's API for phones, some read-only and some with trading. They vary in polish, and because they handle your keys or funds, treat them with the care you would any unaudited wallet. For most people the official app or a terminal with a track record is the safer route.
Best for: a specific feature the others lack, with eyes open.
What to look for
Three things separate these apps in practice. First, fees: Polymarket itself is cheapest if predictions are all you trade; a terminal charges a small fee for putting predictions next to everything else. Second, context: a chart of the outcome price over time and a leaderboard of profitable traders tell you more than a current price alone. Third, where it lives: if you want one portfolio across tokens, perps and predictions, or your prediction positions in the same app as your other trades, you want a terminal with real mobile apps.
Verdict
Trade on Polymarket directly if predictions are the only thing you trade and the fee matters most. Trade on Defined if you want Polymarket in the same place as your tokens and perps, charts and a top-trader leaderboard on every event, and iOS and Android apps. Use Axiom if you already live in it for Solana. Be careful with unaudited third-party clients.
Sources
- Polymarket docs: fees (taker fees by category, makers free)
- Covers: Polymarket launches for US iOS users (May 12, 2026)
- Polymarket builders leaderboard (Axiom listed)
FAQ
Does Polymarket have a mobile app?
Yes. Polymarket has an official iOS app, and the US version opened to all iOS users in May 2026. Defined also trades Polymarket on iOS and Android.
Can I trade Polymarket on Android?
Yes, through Defined's Android app, which trades Polymarket prediction markets alongside tokens and perps. Check Polymarket's own site for the status of its Android app.
What does it cost to trade Polymarket through Defined?
0.50% per trade, on top of any taker fee Polymarket itself charges on that market. Charts, the trader leaderboard and watchlists are free.
Why use a terminal instead of polymarket.com?
For context and consolidation: outcome price charts, a leaderboard of the most profitable prediction traders, and one portfolio and one balance across prediction markets, tokens and perps.
Are prediction markets available everywhere?
No. Polymarket and every app that routes to it are available in supported regions only.