One vs Countdown Timer Nano
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.
Countdown Timer Nano
A minimalist timer app with a clean design, offering both numerical and visual time tracking. It features large numbers, an animating circle that changes color with elapsed time, and optional sound alerts. The free version allows setting timers up to 60 minutes.
- Minimalist design
- Numerical and graphical time representation
- Animating circle timer
- Optional sound alerts
- Large, visible numbers
- Up to 60-minute timers (free)
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Features: ● Large numbers for great visibility. ● Simple and intuitive use. ● Circle animates and color changes as time is passing. ● Optional sounds to keep you on track! ● Set up time to 60 minutes (free version).
Screenshots
Verdict
The clearest difference is review sentiment: One at 100% against Countdown Timer Nano's 50%. One also leads on rating (5.0 vs 4.3). Countdown Timer Nano's advantage is update cadence (every 2 months vs every 23 months) and ratings volume (24 vs 4). On price, ads, in-app purchases and monetization model 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.
One holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Countdown Timer Nano has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of One's written reviews are positive against 50% of Countdown Timer Nano's.
One ships an update every 23 months, Countdown Timer Nano every 2 months. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.
| Parameter | One | Countdown Timer Nano |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.3 (24 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 4 | 24 — better |
| Update frequency | Every 23 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 1 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksandr Prosin | Igor Donkov |
Customer experience
One
Countdown Timer Nano
In-app purchases
One
No in-app purchases
Countdown Timer Nano
No in-app purchases
