# TimerStamp vs Opaline

The clearest difference is in-app purchases: TimerStamp at none against Opaline's 20. TimerStamp also leads on iOS requirement (18.1 vs 26.1). Opaline's advantage is update cadence (every 2 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Opaline sells 20 one-off in-app purchases. TimerStamp asks for nothing beyond the download.

TimerStamp ships an update every 7 months, Opaline every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TimerStamp | Opaline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 3 MB | 80 MB |
| Requires iOS | **18.1** | 26.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yeseul Lee](https://appshunter.io/developer/1549517981) | [VyxWorks](https://appshunter.io/developer/1180399771) |

## What reviewers say

### TimerStamp

[App page](https://appshunter.io/ios/app/timerstamp/id6747160684)

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

**In-app purchases:** none


### Opaline

[App page](https://appshunter.io/ios/app/opaline-themed-calendar/id6779310646)

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

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bare Mono | $0.99 | one-time |
| Wa Monyo | $0.99 | one-time |
| Cross Stitch | $0.99 | one-time |
| Nordic Knit | $0.99 | one-time |
| Snow Day | $0.99 | one-time |
| Wa Yoi | $0.99 | one-time |
| Wa Sumi | $0.99 | one-time |
| Winter Songbook | $0.99 | one-time |
| Wa Aizome | $0.99 | one-time |
| Snowy Town | $0.99 | one-time |
| Zodiac | $0.99 | one-time |
| Pressed Flowers | $0.99 | one-time |
| Butter Bakery | $0.99 | one-time |
| Rose Scrapbook | $0.99 | one-time |
| Ballpoint Meow | $0.99 | one-time |
| Watermelon Bar | $0.99 | one-time |
| Pool Day | $0.99 | one-time |
| Sandy Shore | $0.99 | one-time |
| Retro Surf | $0.99 | one-time |
| Doodle Arcade | $0.99 | one-time |


## Frequently asked questions

### Is TimerStamp free?

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

### Is Opaline free?

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

### Do TimerStamp or Opaline have ads?

Neither TimerStamp nor Opaline shows ads.

### Which is updated more often, TimerStamp or Opaline?

TimerStamp ships an update every 7 months, and Opaline every 2 weeks. Most recently, TimerStamp was updated on October 30, 2026 and Opaline on October 25, 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.*