Comparison

Trillion vs WristScore

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

Head to head
About

Trillion

Features
Read full description

Probability Simulator 1T Trials is a powerful simulation app that lets you test probabilities to the extreme. Run up to 1 trillion trials and calculate probabilities as low as 1 in a trillion. Choose from decimal, percentage, or fraction notation. Simultaneously run multiple probability events for complex calculations. Perfect for statistics enthusiasts, mathematicians, and anyone interested in random trials. Sharpen your probability intuition and gain real insights from large-scale simulations.

About

WristScore

Features
Read full description

WristScore is fully usable for free. Keep score faster right from your watch, with custom match rules, match history, stats, and shareable recap cards after each match. Enjoy a smoother way to keep score from your watch. WristScore is a watch-based scorekeeping app designed for ball sports and everyday matches. It helps you stay focused during play, then makes it easy to review, analyze, and share your results afterward. Whether you play badminton, table tennis, tennis, or custom practice matches, you can start quickly and keep every match recorded with less interruption. Core Features • Fast watch scoring: Raise your wrist and record points quickly, reducing interruptions and making scorekeeping feel more natural. • Custom match rules: Configure rules for different sports, or create your own match format based on how you play. • Match history: Every match result is saved automatically, so you can review previous games anytime. • Stats and analysis: View wins, losses, match trends, and period-based data to better understand your performance. • Shareable recap cards: Turn match results and stats into clean visual cards for social media or teammates. • For practice and real matches: Useful for casual games with friends, friendly matches, and long-term training records. Great For • Badminton, table tennis, tennis, and other sports that need live scorekeeping • Singles, doubles, practice matches, and friendly games • Players who want to review match history and stats after playing • Anyone who wants to share match results quickly with friends or teammates Why WristScore? Many scorekeeping tools only handle basic scoring. WristScore focuses on the full match experience: starting a match, scoring from your wrist, saving results automatically, reviewing stats, and sharing recap cards. You do not need to take out your phone during every match, and you do not need to organize results manually afterward. If you are looking for a lighter and more convenient wrist-based scorekeeping tool, WristScore gives you a smoother way to record every match.

Screenshots

Trillion2 screens
WristScore4 screens

Verdict

The call

The clearest difference is ads: WristScore at none against Trillion's shown. WristScore also leads on update cadence (every 3 days vs every 12 months). Trillion's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases 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. Trillion sells 2 in-app purchases, starting at $4.99 per month and WristScore sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Trillion ships an update every 12 months, WristScore every 3 days. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

Scorecard3 real differences ¡ 3 level
Trillion versus WristScore: the parameters behind the verdict, then further details
ParameterTrillionWristScore
PriceFreeFree
Update frequencyEvery 12 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS13.0 — better18.0
Further details — not scored
Size29 MB18 MB
Age rating4+4+
Developerkota tada业瀚 覃

In-app purchases

2 purchases

Trillion

Subscriptions2
  • Ad-free for 1 month7 Days trial$4.991 Month
  • Ad-free for 1 year14 Days trial$49.991 Year
1 purchases

WristScore

One-time1
  • Pro$0.99

Questions

Is Trillion free?
Trillion is free to download, with in-app purchases available.
Is WristScore free?
WristScore is free to download, with in-app purchases available.
Do Trillion or WristScore have ads?
Trillion shows ads; WristScore does not.
Which is updated more often, Trillion or WristScore?
Trillion ships an update every 12 months, and WristScore every 3 days. Most recently, Trillion was updated on October 5, 2026 and WristScore on September 27, 2026.

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