# Zen Flip Clock vs OneMoment Journal

The clearest difference is in-app purchases: OneMoment Journal at none against Zen Flip Clock's 3. Zen Flip Clock's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Zen Flip Clock sells 3 in-app purchases, starting at $0.99 per month. OneMoment Journal asks for nothing beyond the download.

Zen Flip Clock ships an update every 2 weeks, OneMoment Journal weekly. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Zen Flip Clock | OneMoment Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.2K ratings)](https://appshunter.io/ios/app/zen-flip-clock-minimal-timer/id1265404088/reviews)** | — |
| Number of ratings | **6.2K** | — |
| Positive reviews | 71.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chaoyang Minimal Software Studio](https://appshunter.io/developer/1065436362) | [Kar Fai Choong](https://appshunter.io/developer/1864327152) |

## What reviewers say

### Zen Flip Clock

[App page](https://appshunter.io/ios/app/zen-flip-clock-minimal-timer/id1265404088)

This app offers a minimalist clock experience with multiple themes and powerful focus tools. It functions as a fullscreen desk clock and includes a Pomodoro timer, stopwatch, and hourly chime to help manage time and improve productivity.

**Highlights:** Multiple clock themes (flip, digital, minimalist), Fullscreen desk clock functionality, Pomodoro timer for focused work sessions, Stopwatch for timing tasks, Hourly chime for routine building, Time usage statistics, Home and lock screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $4.99 | per year |
| Lifetime Pro | $9.99 | one-time |

**What reviewers like**

- 🚀 Amazing app
- 👍 Aesthetic and minimalistic
- 👍 Useful for studying and productivity
- 👍 Simple and easy to use
- 👍 Great for a desk clock

**What reviewers complain about**

- 🐛 Time display issues
- 🐛 Widget not working as expected
- 🐛 Pomodoro timer resets when switching apps
- 🔋 High battery consumption
- 💰 Paid features required for full functionality

**Reported bugs**

- Time display inaccuracies
- Widget freezing and displaying incorrect time
- Pomodoro timer not working as expected
- Compatibility issues with latest iOS updates
- App crashing or becoming unresponsive

**Requested features**

- Add alarm functionality
- Implement live activities support
- Allow custom pomodoro timer durations
- Provide more theme/color options
- Add world clock/timezone support


### OneMoment Journal

[App page](https://appshunter.io/ios/app/onemoment-journal/id6758263370)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zen Flip Clock free?

Zen Flip Clock is free to download, with in-app purchases available.

### Is OneMoment Journal free?

OneMoment Journal is free to download, with no in-app purchases.

### Do Zen Flip Clock or OneMoment Journal have ads?

Neither Zen Flip Clock nor OneMoment Journal shows ads.

### Which is updated more often, Zen Flip Clock or OneMoment Journal?

Zen Flip Clock ships an update every 2 weeks, and OneMoment Journal weekly. Most recently, Zen Flip Clock was updated on September 24, 2026 and OneMoment Journal on September 20, 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.*