# Flip Clock vs Bosai

The clearest difference is ads: Bosai at none against Flip Clock's shown. Flip Clock's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Flip Clock sells 10 one-off in-app purchases and Bosai sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Flip Clock ships an update monthly, Bosai every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Flip Clock | Bosai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (71K ratings)](https://appshunter.io/ios/app/flip-clockdigital-desk-widget/id1181028777/reviews)** | — |
| Number of ratings | **71K** | — |
| Positive reviews | 72.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 80 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [翠玲 施](https://appshunter.io/developer/1181028776) | [SUGURU KASEBE](https://appshunter.io/developer/1884203577) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clockdigital-desk-widget/id1181028777)

This app provides a classic digital clock widget for your device's home, lock, and standby screens. It offers features like displaying seconds, a calendar, customizable themes, and various timekeeping tools including alarms, timers, and stopwatches. It can also function as a screensaver when charging.

**Highlights:** Display seconds on multiple screens, Full screen time and date, Smart alarm clock, Timer and stopwatch, Countdown to target dates, Pomodoro Technique timer, Customizable widget signatures

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Clock 2 | $0.99 | one-time |
| Digital Clock 3 | $0.99 | one-time |
| Digital Clock 4 | $0.99 | one-time |
| Digital Clock 5 | $0.99 | one-time |
| Digital Clock 6 | $0.99 | one-time |
| Simulated Desk Fan 1 | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| More clock skins | $0.99 | one-time |
| Flip Clock Professional Edition | $2.99 | one-time |
| Unlock All Screensavers | $9.99 | one-time |

**What reviewers like**

- 👍 Simple and effective
- 🎨 Aesthetic design
- ⏱️ Useful timer and alarm features
- 🔍 Highly visible and readable clock
- 🤩 Great for productivity and focus

**What reviewers complain about**

- 🔍 Limited customization options
- 🔋 Battery drain issues
- 📢 Excessive ads
- 🔒 Unreliable unlock/restore purchases
- 🐛 Bugs and glitches

**Reported bugs**

- Clock freezing or not updating correctly
- Alarm issues (not triggering, unable to disable)
- Inconsistent behavior across devices and OS versions
- Unlock/restore purchase bugs

**Requested features**

- More clock face and color options
- Automatic dark/light mode switching
- Ability to set clock as device wallpaper
- Improved alarm functionality and customization
- Seamless integration with other devices


### Bosai

[App page](https://appshunter.io/ios/app/bosai/id6791819727)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is Flip Clock free?

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

### Is Bosai free?

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

### Do Flip Clock or Bosai have ads?

Flip Clock shows ads; Bosai does not.

### Which is updated more often, Flip Clock or Bosai?

Flip Clock ships an update monthly, and Bosai every 3 weeks. Most recently, Flip Clock was updated on November 5, 2026 and Bosai on October 31, 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.*