# Flip clock vs Srpske Slave

The clearest difference is update cadence: Srpske Slave at weekly against Flip clock's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flip clock sells 2 in-app purchases, starting at $5.49 per year and Srpske Slave sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flip clock ships an update every 3 weeks, Srpske Slave weekly. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Flip clock | Srpske Slave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.9K ratings)](https://appshunter.io/ios/app/flip-clock-no-ads/id1522242289/reviews)** | — |
| Number of ratings | **4.9K** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Subscription | — |
| Size | 64 MB | 164 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Free Calculator Technology Co., Ltd.](https://appshunter.io/developer/1457813265) | [Petar Borcic](https://appshunter.io/developer/6783783437) |

## What reviewers say

### 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


### Srpske Slave

[App page](https://appshunter.io/ios/app/srpske-slave/id6790696650)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moja Slava | $9.99 | one-time |


## Frequently asked questions

### Is Flip clock free?

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

### Is Srpske Slave free?

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

### Do Flip clock or Srpske Slave have ads?

Neither Flip clock nor Srpske Slave shows ads.

### Which is updated more often, Flip clock or Srpske Slave?

Flip clock ships an update every 3 weeks, and Srpske Slave weekly. Most recently, Flip clock was updated on October 31, 2026 and Srpske Slave on October 28, 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.*