# Pomodoro Timer! vs Dioptra

The clearest difference is update cadence: Dioptra at fortnightly against Pomodoro Timer!'s every 2 months. Pomodoro Timer!'s advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pomodoro Timer! sells 3 one-off in-app purchases and Dioptra sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Pomodoro Timer! ships an update every 2 months, Dioptra fortnightly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Pomodoro Timer! | Dioptra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 17 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fırat Tanrıkulu](https://appshunter.io/developer/1833055087) | [Zachary Griffin](https://appshunter.io/developer/1813803229) |

## What reviewers say

### Pomodoro Timer!

[App page](https://appshunter.io/ios/app/pomodoro-timer/id6750486055)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### Dioptra

[App page](https://appshunter.io/ios/app/dioptra-glb-3d-model-viewer/id6812574588)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Tip | $1.99 | one-time |
| Generous Tip | $4.99 | one-time |


## Frequently asked questions

### Is Pomodoro Timer! free?

Pomodoro Timer! is free to download, with in-app purchases available.

### Is Dioptra free?

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

### Do Pomodoro Timer! or Dioptra have ads?

Neither Pomodoro Timer! nor Dioptra shows ads.

### Which is updated more often, Pomodoro Timer! or Dioptra?

Pomodoro Timer! ships an update every 2 months, and Dioptra fortnightly. Most recently, Pomodoro Timer! was updated on October 28, 2026 and Dioptra on October 26, 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.*