One vs StartStopTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One
A straightforward countdown timer for iPhone designed for ease of use. Its intuitive interface allows you to start and manage timers with a single tap, making it a convenient tool for daily tasks. The app focuses on essential functionality without unnecessary complexity.
- One-tap timer start and toggle
- Vivid and intuitive user interface
- Ergonomic design and functionality
- Convenient for everyday use
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One-Tap Timer (tm) is a simple yet very convenient countdown timer app for your iPhone. It features a vivid and intuitive user interface with not more than just sufficient functionality. * Start and toggle your timer with just one tap. * Take advantage of our ergonomic design and functionality. * Use One-Tap Timer in your everyday life. Tip for Mac users: keep app icon in Dock.
StartStopTimer
This application functions as a straightforward stopwatch, offering four distinct tables for time storage. It records start and stop times, as well as start times with calculated deltas between consecutive entries, organized by day.
- Four time storage tables
- Start/stop time recording
- Start time only recording
- Delta time calculation
- Daily time sorting
- Count of times per day
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StartStopTimer is a simple stopwatch application with 4 tables in which you can store times. The first table stores start and stop times (like a stopwatch) and the other 3 tables store just the start times. The other tables display the delta time from one start time to the next. Times are sorted by day with the number of times per day shown as well.
Screenshots
Verdict
The clearest difference is update cadence: StartStopTimer at every 5 months against One's every 23 months. One's advantage is ratings volume (4 vs 1) and iOS requirement (12.0 vs 18.6). On price, rating, review sentiment and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for One against 5.0 for StartStopTimer. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
One ships an update every 23 months, StartStopTimer every 5 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.
| Parameter | One | StartStopTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 23 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksandr Prosin | River Rock Logic |
Customer experience
One
StartStopTimer
In-app purchases
One
No in-app purchases
StartStopTimer
No in-app purchases
