# PlanetTimer vs Twinkle Clock

The clearest difference is price: Twinkle Clock at Free against PlanetTimer's $1.99. Twinkle Clock also leads on update cadence (fortnightly vs every 2 months). PlanetTimer's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Twinkle Clock is free to download; PlanetTimer costs $1.99 up front. Twinkle Clock sells 1 one-off in-app purchase. PlanetTimer asks for nothing beyond the download.

PlanetTimer ships an update every 2 months, Twinkle Clock fortnightly. The most recent releases landed on August 14, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | PlanetTimer | Twinkle Clock |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/planettimer/id6450160076/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 43 MB | 23 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [仲辉 黄](https://appshunter.io/developer/1687783590) | [Hiroyasu Hirai](https://appshunter.io/developer/455568461) |

## What reviewers say

### PlanetTimer

[App page](https://appshunter.io/ios/app/planettimer/id6450160076)

Customize your timers with cartoon-style planetary themes and fun flying machines. Experience a unique timing process with rotating planets and interactive 3D effects. Track time intervals with simple clicks.

**Highlights:** Cartoon planetary themes, Customizable flying machines, Rotating planet animations, Time tracking by clicks, 3D hand tracking effects, Multiple planetary patterns

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Twinkle Clock

[App page](https://appshunter.io/ios/app/twinkle-clock/id6467501688)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twinkle Clock Pro | $24.99 | one-time |


## Frequently asked questions

### Is PlanetTimer free?

PlanetTimer costs $1.99, with no in-app purchases.

### Is Twinkle Clock free?

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

### Do PlanetTimer or Twinkle Clock have ads?

Neither PlanetTimer nor Twinkle Clock shows ads.

### Which is updated more often, PlanetTimer or Twinkle Clock?

PlanetTimer ships an update every 2 months, and Twinkle Clock fortnightly. Most recently, PlanetTimer was updated on August 14, 2026 and Twinkle Clock on August 15, 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.*