# PMS vs Starlight Clock

The clearest difference is in-app purchases: PMS at none against Starlight Clock's 1. Starlight Clock's advantage is update cadence (every 3 months vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Starlight Clock sells 1 one-off in-app purchase. PMS asks for nothing beyond the download.

PMS ships an update every 10 months, Starlight Clock every 3 months. The most recent releases landed on September 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PMS | Starlight Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 29 MB | 14 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Inter-M Corp. LTD.](https://appshunter.io/developer/1230287264) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### PMS

[App page](https://appshunter.io/ios/app/pms-086k/id6450662650)

**Features:** macOS Compatibility

**In-app purchases:** none


### Starlight Clock

[App page](https://appshunter.io/ios/app/starlight-clock/id6470951164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starlight Clock with no ads | $2.99 | one-time |


## Frequently asked questions

### Is PMS free?

PMS is free to download, with no in-app purchases.

### Is Starlight Clock free?

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

### Which is updated more often, PMS or Starlight Clock?

PMS ships an update every 10 months, and Starlight Clock every 3 months. Most recently, PMS was updated on September 20, 2026 and Starlight Clock on October 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.*