Comparison

SimTimerX vs ondot timer|No

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

Head to head
About

SimTimerX

Features
Read full description

SimTimerX pairs a polished look with an efficient timer experience. Its unique rotary dial feels just like a real timer, and the clear on-screen hints make setting time quick and straightforward.

About

ondot timer|No

This app eliminates the need for time calculations by allowing you to set timers based on a desired end time or duration. It displays both the ringing time and remaining time at a glance, perfect for tasks and deadlines.

Highlights
  • Set timers by desired end time
  • Set timers by duration
  • See ringing time and time remaining
  • Save frequent timer presets
  • Apple Watch integration
  • Live Activity on Lock Screen/Dynamic Island
Features
Read full description

No math. Just enter the time you want it to ring. "I need to leave by 10:50... how many minutes is that?" "I have to get off at 14:51... how long do I have?" You don't need to calculate anymore. ondot timer starts from the time you want it to ring. See both "when it rings" and "time remaining" at a glance. ■ for people who ・Find "how many minutes?" math annoying ・Want to know when the timer rings, not just the countdown ・Don't want to clutter their alarm list ・Want to timebox small tasks by clock time ■ perfect for ・Napping on trains — enter arrival time directly ・"Back by 1:00 PM" lunch break timer ・"Leave the cafe by 3:00" deadline ・Keeping housework from dragging on ■ end time mode — set the exact time to ring "Ring at 14:51." That's it. ■ duration mode — start from minutes "20 minute timer" works too. Shows the exact time it will ring, so you always know when it ends. ■ presets Save your frequent settings. Add a title. One tap to start. ■ Apple Watch Check the countdown on your wrist. Works independently without iPhone. ■ Live Activity Real-time display on Lock Screen and Dynamic Island. Check the timer while using other apps. *Supported devices only Free. No ads. No account required.

Screenshots

SimTimerX4 screens
ondot timer|No4 screens

Verdict

The call

The clearest difference is update cadence: ondot timer|No at every 3 days against SimTimerX's fortnightly. SimTimerX's advantage is iOS requirement (13.0 vs 17.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SimTimerX ships an update fortnightly, ondot timer|No every 3 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 6 level
SimTimerX versus ondot timer|No: the parameters behind the verdict, then further details
ParameterSimTimerXondot timer|No
PriceFreeFree
Positive reviews—83.3% of reviews
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size30 MB3 MB
Age rating9+4+
DeveloperWu BinMomoka Shiramizu

In-app purchases

None

SimTimerX

No in-app purchases

None

ondot timer|No

No in-app purchases

Questions

Is SimTimerX free?
SimTimerX is free to download, with no in-app purchases.
Is ondot timer|No free?
ondot timer|No is free to download, with no in-app purchases.
Do SimTimerX or ondot timer|No have ads?
Neither SimTimerX nor ondot timer|No shows ads.
Which is updated more often, SimTimerX or ondot timer|No?
SimTimerX ships an update fortnightly, and ondot timer|No every 3 days. Most recently, SimTimerX was updated on October 12, 2026 and ondot timer|No on October 24, 2026.

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