# Hyde Clock vs Simple Days Until

The clearest difference is in-app purchases: Simple Days Until at none against Hyde Clock's 5. Simple Days Until also leads on update cadence (weekly vs every 2 weeks). Hyde Clock's advantage is iOS requirement (16.1 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Hyde Clock sells 4 in-app purchases, starting at $0.99 per month. Simple Days Until asks for nothing beyond the download.

Hyde Clock ships an update every 2 weeks, Simple Days Until weekly. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Hyde Clock | Simple Days Until |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/hyde-clock/id6476807443/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 274 MB | 12 MB |
| Requires iOS | **16.1** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heydeal Studio](https://appshunter.io/developer/1727831222) | [naoya takamura](https://appshunter.io/developer/1788186935) |

## What reviewers say

### Hyde Clock

[App page](https://appshunter.io/ios/app/hyde-clock/id6476807443)

Enhance focus and productivity with a customizable Pomodoro timer, ambient soundscapes, and dynamic widgets. Personalize your study or work environment with stylish clock faces and layered white noise options.

**Highlights:** Customizable clock faces, Intelligent Pomodoro timer, Mixable white noise environments, Dynamic home screen widgets, Adjustable timer settings, Personalized sound mixes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hyde Clock Monthly Premium | $0.99 | per month |
| Hyde Clock Yearly Premium | $4.99 | per year |
| Hyde Clock Premium 1 Year | $4.99 | one-time |
| Hyde Clock Lifetime Premium | $9.99 | one-time |


### Simple Days Until

[App page](https://appshunter.io/ios/app/simple-days-until/id6744551057)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hyde Clock free?

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

### Is Simple Days Until free?

Simple Days Until is free to download, with no in-app purchases.

### Do Hyde Clock or Simple Days Until have ads?

Neither Hyde Clock nor Simple Days Until shows ads.

### Which is updated more often, Hyde Clock or Simple Days Until?

Hyde Clock ships an update every 2 weeks, and Simple Days Until weekly. Most recently, Hyde Clock was updated on September 29, 2026 and Simple Days Until on October 3, 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.*