# tadano calculator vs Simple Pomodoro Timer

The clearest difference is in-app purchases: tadano calculator at none against Simple Pomodoro Timer's 3. tadano calculator also leads on iOS requirement (13.0 vs 16.6). Simple Pomodoro Timer's advantage is update cadence (every 2 weeks vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. Simple Pomodoro Timer sells 3 one-off in-app purchases. tadano calculator asks for nothing beyond the download.

tadano calculator ships an update every 27 months, Simple Pomodoro Timer every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | tadano calculator | Simple Pomodoro Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (15 ratings)](https://appshunter.io/ios/app/simple-pomodoro-timer-doro/id6469151431/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 73 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [plusvision](https://appshunter.io/developer/1571455587) | [DAIKI YUASA](https://appshunter.io/developer/1632691655) |

## What reviewers say

### tadano calculator

[App page](https://appshunter.io/ios/app/tadano-calculator/id1584940548)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Pomodoro Timer

[App page](https://appshunter.io/ios/app/simple-pomodoro-timer-doro/id6469151431)

This app offers a minimalist Pomodoro timer with customizable focus and break durations. Earn fruits for completed sessions, collect them on a calendar, and enjoy background music to enhance concentration. Personalize timer colors to boost motivation.

**Highlights:** Customizable focus and break sessions, Fruit rewards for completed sessions, Calendar view of collected fruits, Background concentration music, Customizable timer and break screen colors, Golden fruit bonus for daily achievements

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Buy me a burger | $3.99 | one-time |
| Premium Plan | $8.99 | one-time |


## Frequently asked questions

### Is tadano calculator free?

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

### Is Simple Pomodoro Timer free?

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

### Do tadano calculator or Simple Pomodoro Timer have ads?

Neither tadano calculator nor Simple Pomodoro Timer shows ads.

### Which is updated more often, tadano calculator or Simple Pomodoro Timer?

tadano calculator ships an update every 27 months, and Simple Pomodoro Timer every 2 weeks. Most recently, tadano calculator was updated on November 3, 2026 and Simple Pomodoro Timer on November 7, 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.*