Comparison

Omen vs MassPredict

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Omen

Explore real-world events through prediction markets. Browse live markets across sports, politics, and crypto, track events you care about, and receive notifications on outcomes. This app provides market data for informational and tracking purposes.

Highlights
  • Browse live prediction markets
  • Discover events across categories
  • Add markets to watchlist
  • Track event outcomes
  • Receive resolution notifications
  • Access market data
Read full description

OMEN – SPORTS TRADING, ANALYTICS & COMMUNITY Omen is a social trading app for sports prediction markets. Discover markets, follow proven traders, analyze performance, and trade supported markets directly through Omen. Omen provides an interface for accessing and trading prediction markets available through third-party market providers, including Polymarket. TRADE SPORTS PREDICTION MARKETS Browse live and upcoming markets across NFL, NBA, MLB, NHL, soccer, and more View real-time prices, market movement, and game information Buy and sell positions in supported prediction markets Track your open positions, trading history, and performance BUILT-IN SELF-CUSTODIAL WALLET Omen includes an embedded self-custodial crypto wallet that lets you interact with supported prediction markets directly from the app Deposit supported assets into your wallet Withdraw assets to an external wallet View wallet balances and transaction activity You retain control of your wallet and assets FOLLOW PROVEN TRADERS Follow experienced sharps, traders, and sports analysts View verified track records and historical performance See what markets other traders are participating in Get notified when traders you follow make new calls BUILD YOUR TRACK RECORD Share your own market calls Build a verified trading history Track win rates and performance over time Grow your following and compare performance on community leaderboards DISCOVER & ANALYZE Research thousands of sports markets and events Follow market movement in real time Discover high-signal traders and market opportunities Discuss matchups and markets with the Omen community Omen does not create or settle prediction markets. Trading functionality connects users to supported third-party prediction markets. Terms of Service: https://omen.trading/terms Privacy Policy: https://omen.trading/privacy

About

MassPredict

Features
Read full description

MassPredict is the ultimate prediction market intelligence platform. Search and compare odds across Polymarket, Kalshi, PredictIt, Metaculus, Manifold, and more — all in one place. FEATURES: • Search 25,000+ prediction markets across 9 platforms • RavenScore — AI-powered probability ratings on any market • The Study — deep-dive research with cross-platform consensus, price history, calibration data, and news sentiment • The Watch — real-time specialized views for price movers, volume spikes, and upset alerts • The Trade — paper trade markets with SP points across all platforms • Boombird Terminal — free real-time market dashboard RAVEN Aⁱ SUBSCRIPTION ($9.99/mo or $79.99/yr): Unlock the full intelligence suite — 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 — 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

Screenshots

Omen4 screens
MassPredict4 screens

Verdict

The call

The clearest difference is in-app purchases: Omen at none against MassPredict's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MassPredict sells 2 in-app purchases, starting at $9.99 per month. Omen asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Omen versus MassPredict: the parameters behind the verdict, then further details
ParameterOmenMassPredict
PriceFreeFree
Rating4.2 (10 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 6 daysEvery 6 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better16
Further details — not scored
Size66 MB6 MB
Age rating17+12+
DeveloperOmen Trading, Inc.MassPredict LLC

In-app purchases

None

Omen

No in-app purchases

2 purchases

MassPredict

Subscriptions2
  • Raven Aⁱ7 Days trial$9.991 Month
  • Raven Aⁱ Annual7 Days trial$79.991 Year

Questions

Is Omen free?
Omen is free to download, with no in-app purchases.
Is MassPredict free?
MassPredict is free to download, with in-app purchases available.
Do Omen or MassPredict have ads?
Neither Omen nor MassPredict shows ads.
Which is updated more often, Omen or MassPredict?
Omen ships an update every 6 days, and MassPredict every 6 days. Most recently, Omen was updated on October 30, 2026 and MassPredict on October 25, 2026.

Other comparisons