# Simple Clock vs Flip clock

The clearest difference is monetization model: Simple Clock at free with in-app purchases against Flip clock's subscription. Simple Clock also leads on review sentiment (75% vs 57%) and iOS requirement (11.0 vs 15.0). Flip clock's advantage is ads (none vs shown) and ratings volume (4.8K vs 297). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Simple Clock sells 2 one-off in-app purchases and Flip clock sells 2 in-app purchases, starting at $5.49 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Simple Clock against 4.6 for Flip clock. That said, the two scores are not equally well evidenced: Flip clock has 4.8K ratings behind it against 297, so its average is the more settled of the two. Written reviews are what separate them: 75% of Simple Clock's written reviews are positive against 57% of Flip clock's.

Simple Clock ships an update fortnightly, Flip clock every 3 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | Simple Clock | Flip clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (297 ratings)](https://appshunter.io/ios/app/simple-clock-study-with-me/id1462926848/reviews) | **[4.6 (4.8K ratings)](https://appshunter.io/ios/app/flip-clock-no-ads/id1522242289/reviews)** |
| Number of ratings | 297 | **4.8K** |
| Positive reviews | **74.8% of reviews** | 57.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 20 MB | 64 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [乃君 黄](https://appshunter.io/developer/1337343608) | [Beijing Free Calculator Technology Co., Ltd.](https://appshunter.io/developer/1457813265) |

## What reviewers say

### Simple Clock

[App page](https://appshunter.io/ios/app/simple-clock-study-with-me/id1462926848)

A straightforward digital clock designed for focus and study sessions. It offers a simple interface with essential timekeeping functions and customizable themes to enhance your work environment.

**Highlights:** Basic time, date, week display, Countdown timer, Timing function, Pomodoro timer, Multiple themes and fonts, Custom background image

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock all contents | $0.99 | one-time |
| Support Developer | $1.99 | one-time |


### Flip clock

[App page](https://appshunter.io/ios/app/flip-clock-no-ads/id1522242289)

A digital clock app featuring a unique page-turning animation and customizable backgrounds. It includes white noise sounds, hourly chimes, and a timer for enhanced functionality. Personalize your display with various skins, colors, and animations.

**Highlights:** Page-turning digital clock animation, 123 White Noise Sounds, Customizable skins and colors, Hourly chime and timer functions, Charging animation, Widget support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clock — annual subscription | $5.49 | per year |
| Permanent purchase | $3.99 | one-time |

**What reviewers like**

- 👍 Simple and straightforward
- 🌟 Customizable clock design
- 💤 Helpful for sleep and focus
- 🕰️ Useful as a desk clock

**What reviewers complain about**

- 💰 Most features require a subscription
- 🔒 Limited functionality without paying
- 🐛 Occasional bugs and syncing issues
- 🕰️ Clock not always accurate

**Reported bugs**

- Widget freezes or stops updating
- Time display not syncing correctly
- Subscription issues and lost purchases

**Requested features**

- Add alarm clock functionality
- Allow customization of widget
- Improve dark mode/night settings
- Introduce more free features


## Frequently asked questions

### Is Simple Clock free?

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

### Is Flip clock free?

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

### Which has better reviews, Simple Clock or Flip clock?

Flip clock is rated higher. Simple Clock averages 4.5 out of 5 from 297 ratings, while Flip clock averages 4.6 from 4.8K ratings.

### Do Simple Clock or Flip clock have ads?

Simple Clock shows ads; Flip clock does not.

### Which is updated more often, Simple Clock or Flip clock?

Simple Clock ships an update fortnightly, and Flip clock every 3 weeks. Most recently, Simple Clock was updated on September 23, 2026 and Flip clock on September 23, 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.*