# Flip Timer & stopwatch vs Zen Pi

The clearest difference is in-app purchases: Zen Pi at none against Flip Timer & stopwatch's 3. Zen Pi also leads on ads (none vs shown) and rating (5.0 vs 4.6). Flip Timer & stopwatch's advantage is ratings volume (7.6K vs 2) and update cadence (every 3 months vs every 7 months). On price, device support and iOS requirement there is nothing between them.

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

Zen Pi 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, Zen Pi every 7 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Flip Timer & stopwatch | Zen Pi |
| --- | --- | --- |
| 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/zen-pi/id6737859326/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 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 1 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [俐 马](https://appshunter.io/developer/1896144174) | [Christopher Huffaker](https://appshunter.io/developer/1778117639) |

## 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


### Zen Pi

[App page](https://appshunter.io/ios/app/zen-pi/id6737859326)

This app helps you manage your time by breaking it down into weekly and daily increments. It tracks time remaining in seconds for both the day and the year, and offers a daily astrological outlook.

**Highlights:** Weekly time management, Daily time tracking in seconds, Time remaining in year calculation, Daily astrological outlook, Productivity enhancement

**Features:** Vision Pro support

**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 Zen Pi free?

Zen Pi is free to download, with no in-app purchases.

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

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

### Do Flip Timer & stopwatch or Zen Pi have ads?

Flip Timer & stopwatch shows ads; Zen Pi does not.

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

Flip Timer & stopwatch ships an update every 3 months, and Zen Pi every 7 months. Most recently, Flip Timer & stopwatch was updated on November 6, 2026 and Zen Pi on November 4, 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.*