Comparison

SumBuddy vs Predictions.io

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

Head to head
About

SumBuddy

Easily divide expenses for group outings or shared living without complex calculations. Input bill details, and the app automatically calculates tax, tip, and individual shares. Send clear summaries to everyone involved.

Highlights
  • Bill splitting
  • Tax calculation
  • Tip calculation
  • Individual share calculation
  • Itemized splitting
  • Summary generation
Features
Read full description

No spreadsheets. No sign-ins. No calculators flying around the table. Just open the app, enter what’s on the bill, and let us handle the rest: tax, tip, and who owes what. Perfect for dinners out, weekend trips, or everyday life with roommates. Split evenly, by item, or however fits best. Then send everyone a clean, simple summary that actually makes sense. Easy, clear, and honestly a relief.

About

Predictions.io

Features
Read full description

Discover, analyze, and compete in financial prediction markets. predictions.io gives you the tools to find opportunities, track outcomes, and sharpen your forecasting edge β€” all in one place. MARKET ANALYTICS Deep analytical tools built specifically for prediction markets. Charts, trends, and historical data to inform smarter predictions. Spot opportunities before the crowd does. SOCIAL PREDICTIONS See what other forecasters are predicting in real time. Compare your views against the community consensus. Build a track record and establish your reputation. FIND YOUR EDGE Identify price opportunities on different markets. Filter and explore markets across categories. Stay ahead with a platform built for serious forecasters. Whether you're an experienced analyst or just getting started with prediction markets, predictions.io gives you the analytical depth and social context to make better calls. Make your prediction. Prove your edge.

Screenshots

SumBuddy4 screens
Predictions.io4 screens

Verdict

The call

The clearest difference is update cadence: Predictions.io at weekly against SumBuddy's every 4 months. SumBuddy's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SumBuddy ships an update every 4 months, Predictions.io weekly. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

Scorecard2 real differences Β· 6 level
SumBuddy versus Predictions.io: the parameters behind the verdict, then further details
ParameterSumBuddyPredictions.io
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 4 monthsWeekly β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size23 MB48 MB
Age rating4+17+
DeveloperYin Yin Huangquestimations.com

In-app purchases

None

SumBuddy

No in-app purchases

None

Predictions.io

No in-app purchases

Questions

Is SumBuddy free?
SumBuddy is free to download, with no in-app purchases.
Is Predictions.io free?
Predictions.io is free to download, with no in-app purchases.
Do SumBuddy or Predictions.io have ads?
Neither SumBuddy nor Predictions.io shows ads.
Which is updated more often, SumBuddy or Predictions.io?
SumBuddy ships an update every 4 months, and Predictions.io weekly. Most recently, SumBuddy was updated on September 26, 2026 and Predictions.io on September 27, 2026.

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