Comparison

JustOnTime / Stop it NOW! vs Chess.clock

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

Head to head
About

JustOnTime / Stop it NOW!

Features
Read full description

Who can control the time is YOU! This has a simple rule that how much correct time you can stop it on. And also you may learn to feel time in your body. ▼Basically, for free ▼simple easy rules ▼Get medals => You can get beautiful medals after clearing all the games. ▼The free version has the following limitations, but you can enjoy it to the fullest. - Full-page advertisement will be displayed every 3 plays. - Advertisements will be displayed at the bottom of the screen. (The above restrictions will be lifted by purchasing a subscription) ▼Defects/Requests Please contact us by email at tsiapp003a202408@triad-sol.co.jp. ▼Terms of service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Chess.clock

Features
Read full description

Take your chess games to the next level with the chess clock app. Precision timing for beginners and grandmasters alike! Features: Easy to use: An intuitive design that gets you straight into the game. Customizable timers: Choose from classic modes (e.g., Fischer, Bronstein, or delay) or create your own. Elegant design: A minimalist interface with clear displays – perfect for blitz, rapid, or tournament games. Sound and vibration feedback: Stay on top of the clock with every second. Dark mode support: Perfect for long evening games. This chess clock app is built for chess enthusiasts – simple enough for beginners, yet flexible enough for professionals. Download the app now and elevate your game!

Screenshots

JustOnTime / Stop it NOW!1 screens
Chess.clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Chess.clock at none against JustOnTime / Stop it NOW!'s 1. JustOnTime / Stop it NOW!'s advantage is update cadence (every 8 days vs every 3 months) and iOS requirement (13.0 vs 26.2). On price, 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. JustOnTime / Stop it NOW! sells 1 in-app purchase, starting at $0.99 per month. Chess.clock asks for nothing beyond the download.

UpkeepUpdate frequency

JustOnTime / Stop it NOW! ships an update every 8 days, Chess.clock every 3 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 3 level
JustOnTime / Stop it NOW! versus Chess.clock: the parameters behind the verdict, then further details
ParameterJustOnTime / Stop it NOW!Chess.clock
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better26.2
Further details — not scored
Size43 MB2 MB
Age rating4+4+
DeveloperTRIAD SOLUTION INC.Lukas Paul Hering

In-app purchases

1 purchases

JustOnTime / Stop it NOW!

Subscriptions1
  • Monthly Subscription$0.991 Month
None

Chess.clock

No in-app purchases

Questions

Is JustOnTime / Stop it NOW! free?
JustOnTime / Stop it NOW! is free to download, with in-app purchases available.
Is Chess.clock free?
Chess.clock is free to download, with no in-app purchases.
Do JustOnTime / Stop it NOW! or Chess.clock have ads?
Neither JustOnTime / Stop it NOW! nor Chess.clock shows ads.
Which is updated more often, JustOnTime / Stop it NOW! or Chess.clock?
JustOnTime / Stop it NOW! ships an update every 8 days, and Chess.clock every 3 months. Most recently, JustOnTime / Stop it NOW! was updated on October 10, 2026 and Chess.clock on October 15, 2026.

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