# Flip Timer & stopwatch vs Prime Timer

The clearest difference is in-app purchases: Prime Timer at none against Flip Timer & stopwatch's 3. Prime Timer also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 months). Flip Timer & stopwatch's advantage is ratings volume (7.6K vs 2) and iOS requirement (15.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Flip Timer & stopwatch sells 3 one-off in-app purchases. Prime Timer asks for nothing beyond the download.

Prime Timer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Flip Timer & stopwatch has 7.6K ratings behind it against 2, so its average is the more settled of the two.

Flip Timer & stopwatch ships an update every 3 months, Prime Timer every 9 days. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Flip Timer & stopwatch | Prime Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7.6K ratings)](https://appshunter.io/ios/app/flip-timer-and-stopwatch/id1304344207/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prime-timer-just-one-button/id6753709271/reviews)** |
| Number of ratings | **7.6K** | 2 |
| Positive reviews | 68.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 18 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [俐 马](https://appshunter.io/developer/1896144174) | [Mischa Hildebrand](https://appshunter.io/developer/1621273179) |

## What reviewers say

### Flip Timer & stopwatch

[App page](https://appshunter.io/ios/app/flip-timer-and-stopwatch/id1304344207)

This app offers a full-screen digital timer with a unique flip animation to visualize time progression. It also includes a stopwatch for tracking activities like workouts, study sessions, and work. Customize reminder sounds and background audio for an immersive experience.

**Highlights:** Full-screen digital timer, Flip animation for time visualization, Countdown timer, Stopwatch functionality, Customizable reminder sounds, Background sound options, Keep screen on for progress viewing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| All the skins | $0.99 | one-time |
| Pro Version | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and straightforward design
- 🚀 Large, easy-to-read display
- 💡 Unique flipping timer interface
- 🕰 Remembers previous time settings
- 👍 Works well for classroom/productivity use

**What reviewers complain about**

- 🐛 Timer sometimes skips seconds or doesn't work accurately
- 💰 Ads are intrusive and disruptive
- 🔒 Paid features should be included in free version
- 🔋 Timer stops working when device is locked or app is in background

**Reported bugs**

- Timer randomly stops counting down
- Unable to stop/reset timer once started
- Ads prevent user from interacting with timer

**Requested features**

- Add option to set timer in hours/minutes/seconds
- Implement repeat/loop functionality for timer
- Allow custom alarm/notification sounds
- Improve landscape mode support


### Prime Timer

[App page](https://appshunter.io/ios/app/prime-timer-just-one-button/id6753709271)

A minimalist and elegant timer designed for efficiency and focus. It offers haptic and acoustic feedback, supports dark mode, and integrates deeply with iOS features like widgets and Live Activities. Ideal for various activities requiring precise timing.

**Highlights:** Minimalist and elegant design, Haptic and acoustic feedback, iOS Home Screen Widgets, Live Activity on Lock Screen, Control Center integration, System Alarm notification

**In-app purchases:** none


## Frequently asked questions

### Is Flip Timer & stopwatch free?

Flip Timer & stopwatch is free to download, with in-app purchases available.

### Is Prime Timer free?

Prime Timer is free to download, with no in-app purchases.

### Which has better reviews, Flip Timer & stopwatch or Prime Timer?

Prime Timer is rated higher. Flip Timer & stopwatch averages 4.6 out of 5 from 7.6K ratings, while Prime Timer averages 5.0 from 2 ratings.

### Do Flip Timer & stopwatch or Prime Timer have ads?

Flip Timer & stopwatch shows ads; Prime Timer does not.

### Which is updated more often, Flip Timer & stopwatch or Prime Timer?

Flip Timer & stopwatch ships an update every 3 months, and Prime Timer every 9 days. Most recently, Flip Timer & stopwatch was updated on September 25, 2026 and Prime Timer on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*