Comparison

Value Calc vs Prediction Market

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

Head to head
About

Value Calc

Read full description

Value Calc helps sports bettors and prediction market traders make smarter staking decisions using rigorous mathematical methods. It is a free, simple calculator with no tracking or login, and includes a few links for more information or future research. All serious pro bettors have those functionalities baked directly into their automated models, but it can be handy for quick calculations on the fly and as an educational starting point for curious, math-savvy people interested in the world of betting and probabilities. KELLY CRITERION Calculate your optimal bet size. Enter your estimated win probability and the odds offered — the Kelly Criterion formula calculates exactly what fraction of your bankroll to stake to maximise long-term capital growth. Supports full, half, and quarter Kelly to manage variance. TRUE PRICE Remove the bookmaker's margin from any set of odds to reveal the true underlying probabilities. Supports 2 to 20 outcomes. Choose between the Optimal method for accurate results or the Normal method for comparison. ODDS CONVERTER Instantly convert between decimal, fractional, American moneyline, and implied probability (prediction market) formats. KEY FEATURES • All calculations run locally — no internet connection required • No accounts, no tracking, no ads • Inputs saved automatically between sessions • Dark, light, and auto themes • Explanations, math, and examples behind every calculator • Source links for future reading or study of the subjects covered This app is a calculation tool only. It does not facilitate, encourage, or enable gambling. Please gamble responsibly.

About

Prediction Market

Features
Read full description

All prediction markets in one place — and the smart money behind them. Prediction Market brings live probabilities from the world's biggest event trading platforms into one fast, clean app. See what the crowd believes about elections, sports, crypto and world events — and what the most profitable traders are actually buying. TRACK EVERY MARKET • Live odds for politics, sports, crypto, economy and pop culture • Top movers: markets jumping right now • Price history charts (1D to all-time) • Search across thousands of markets FOLLOW THE SMART MONEY (PRO) • Real-time feed of trades over $5,000 • Leaderboard of the 50 most profitable wallets • Full trade history of any top trader • See whale positions on any market GET ALERTED FIRST (PRO) • Whale alerts: push the moment a top wallet makes a big bet • Price alerts: when probability jumps 3, 5 or 10 points in an hour • Closing soon: 24h heads-up before markets you follow close (free) WATCHLIST Star any market. Free tracks up to 5, Pro is unlimited. We are an information & analytics app: we don't take bets, hold funds or execute trades. Trading happens on regulated third-party platforms via external links. Data is for informational purposes only and is not financial advice. Trading event contracts involves risk. Pro subscription: $7.99/week with 3-day free trial, or $69.99/year. Payment is charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://predictionmarketapp.lovable.app/privacy

Screenshots

Prediction Market4 screens

Verdict

The call

The clearest difference is in-app purchases: Value Calc at none against Prediction Market's 2. Value Calc also leads on iOS requirement (15.1 vs 17.0). On price 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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Prediction Market sells 2 in-app purchases, starting at $7.99 per 7 days. Value Calc asks for nothing beyond the download.

Scorecard2 real differences Ā· 4 level
Value Calc versus Prediction Market: the parameters behind the verdict, then further details
ParameterValue CalcPrediction Market
PriceFreeFree
Update frequency—Every 2 days
Ads—Yes
In-app purchasesNo — betterYes
Devices—iPhone — better
Requires iOS15.1 — better17.0
Further details — not scored
Size27 MB19 MB
Age rating4+12+
DeveloperLukas KloucekAstroverse ltd

In-app purchases

None

Value Calc

No in-app purchases

2 purchases

Prediction Market

Subscriptions2
  • Pro Weekly3 Days trial$7.997 Days
  • Pro Annual$69.991 Year

Questions

Is Value Calc free?
Value Calc is free to download, with no in-app purchases.
Is Prediction Market free?
Prediction Market is free to download, with in-app purchases available.

Other comparisons