MassPredict vs Polywatch.org
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
MassPredict
Read full descriptionHide full description
MassPredict is the ultimate prediction market intelligence platform. Search and compare odds across Polymarket, Kalshi, PredictIt, Metaculus, Manifold, and more ā all in one place. FEATURES: ⢠Search 25,000+ prediction markets across 9 platforms ⢠RavenScore ā AI-powered probability ratings on any market ⢠The Study ā deep-dive research with cross-platform consensus, price history, calibration data, and news sentiment ⢠The Watch ā real-time specialized views for price movers, volume spikes, and upset alerts ⢠The Trade ā paper trade markets with SP points across all platforms ⢠Boombird Terminal ā free real-time market dashboard RAVEN Aā± SUBSCRIPTION ($9.99/mo or $79.99/yr): Unlock the full intelligence suite ā The Watch, The Study, The Trade, whale tracking, VIP Perch access, and cross-platform research and analysis. 7-day free trial included. Whether you trade on Polymarket, follow elections on PredictIt, or track crypto markets on Kalshi ā MassPredict gives you the edge. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your Account Settings on the App Store after purchase. Terms of Service: https://masspredict.ai/terms.html Privacy Policy: https://masspredict.ai/privacy.html
Polywatch.org
Read full descriptionHide full description
Polywatch turns all of Polymarket into a single live radar. It reads every active market as a real-time probability and flags the ones actually moving ā so you know where to look before the crowd does. WHAT IT DOES ⢠Browse 10,000+ Polymarket markets across Politics, Crypto, Sports, Tech and Culture ā re-ranked hourly into Hot, Warm and Cold tiers. ⢠Read live odds on a clean 0ā100Ā¢ chart with real gridlines. Tap any point for the exact price. ⢠Star the questions you care about and get pushed the moment something happens. 11 SIGNAL DETECTORS, WATCHING 24/7 ⢠Odds Swing ā sentiment shifting fast ⢠Whale ā large trades moving one side ⢠Volume Spike ā a dormant market waking up ⢠Smart Money ā a top-50 profit wallet takes a position ⢠Arbitrage ā YES + NO selling for under $1, verified against the live order book ⢠Plus Spread Blowout, Momentum Reversal, High Volatility, Conviction Score, Price Targets and Resolution Reminders. Every alert arrives with the price and the context ā not just a number. YOUR PORTFOLIO, MARKED TO MARKET Paste your Polymarket wallet address (public, read-only ā no keys, no custody) and Polywatch tracks every position, your cost basis and live unrealized P&L. Scope alerts to the markets you actually hold. FOLLOW THE SMARTEST MONEY A live leaderboard of the top 50 wallets by profit. Open any wallet's positions and trades, follow it, and get pinged the next time it moves. BUILT LIKE A TRADING TERMINAL Dark, dense and fast ā with order-book depth and slippage estimates on demand. Designed to be read at a glance, the way a market screen should be. FREE ⢠Browse and search every market ⢠Live prices and probability ⢠Watchlist up to 20 ⢠3-alert preview PRO ā $7.99/month, 7-day free trial ⢠Unlimited watchlist and full price history ⢠All 11 signal types with real-time push alerts ⢠Live socket updates ⢠Wallet portfolio with live P&L ⢠Smart-money leaderboard and follows ⢠Volatility heatmap and resolution calendar ⢠Price targets, custom thresholds and a payout simulator Polywatch is market intelligence, not a brokerage. It is read-only: there is no trading, wagering or money movement inside the app, and it never holds your funds. To act on a market, Polywatch links you out to Polymarket. Nothing here is financial advice. Polywatch Pro is an auto-renewable subscription: $7.99/month with a 7-day free trial. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your App Store account settings. Any unused portion of a free trial is forfeited on purchase. Privacy Policy: https://polywatch.org/privacy Terms of Use: https://polywatch.org/terms
Screenshots
Verdict
The clearest difference is update cadence: MassPredict at every 6 days against Polywatch.org's every 2 weeks. Polywatch.org's advantage is iOS requirement (13.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. MassPredict sells 2 in-app purchases, starting at $9.99 per month and Polywatch.org sells 1 in-app purchase, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
MassPredict ships an update every 6 days, Polywatch.org every 2 weeks. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.
| Parameter | MassPredict | Polywatch.org |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days ā better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16 | 13.0 ā better |
| Further details ā not scored | ||
| Size | 6 MB | 26 MB |
| Age rating | 12+ | 17+ |
| Developer | MassPredict LLC | LI XU |
In-app purchases
MassPredict
- Raven Aā±7 Days trial$9.991 Month
- Raven Aā± Annual7 Days trial$79.991 Year
Polywatch.org
- Polywatch Pro Monthly$7.991 Month
Questions
Is MassPredict free?
Is Polywatch.org free?
Do MassPredict or Polywatch.org have ads?
Which is updated more often, MassPredict or Polywatch.org?
Other comparisons















