# AdaptiTimer vs Calculator Star

The clearest difference is in-app purchases: Calculator Star at none against AdaptiTimer's 1. Calculator Star also leads on update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AdaptiTimer sells 1 one-off in-app purchase. Calculator Star asks for nothing beyond the download.

AdaptiTimer ships an update monthly, Calculator Star every 10 days. The most recent releases landed on September 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | AdaptiTimer | Calculator Star |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-star-math-and-games/id6757570899/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free |
| Size | 43 MB | 16 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GUIDO PAUL ZORNER](https://appshunter.io/developer/1755982704) | [Kevin Ho](https://appshunter.io/developer/1867651891) |

## What reviewers say

### AdaptiTimer

[App page](https://appshunter.io/ios/app/adaptitimer-intervall-timer/id6749782981)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $0.99 | one-time |


### Calculator Star

[App page](https://appshunter.io/ios/app/calculator-star-math-and-games/id6757570899)

This AI-powered utility combines a voice-activated calculator with a suite of logic games to enhance both computational tasks and cognitive skills. Perform calculations hands-free, convert units, and challenge your mind with strategy and puzzle games.

**Highlights:** AI-powered voice calculator, Scientific and fraction calculator, Unit and currency converter, 16 logic and strategy games, Global leaderboard, Daily brain training challenges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AdaptiTimer free?

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

### Is Calculator Star free?

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

### Do AdaptiTimer or Calculator Star have ads?

Neither AdaptiTimer nor Calculator Star shows ads.

### Which is updated more often, AdaptiTimer or Calculator Star?

AdaptiTimer ships an update monthly, and Calculator Star every 10 days. Most recently, AdaptiTimer was updated on September 3, 2026 and Calculator Star on September 17, 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.*