# Calculator for All vs Austros

The clearest difference is in-app purchases: Austros at none against Calculator for All's 1. Austros also leads on iOS requirement (13.0 vs 15). Calculator for All's advantage is device support (5 vs 3). On price, update cadence and ads there is nothing between them.

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

Calculator for All ships an update every 4 weeks, Austros fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator for All | Austros |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (385 ratings)](https://appshunter.io/ios/app/calculator-for-all-solves/id1394359548/reviews)** | — |
| Number of ratings | **385** | — |
| Positive reviews | 90.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 24 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Barinov](https://appshunter.io/developer/1394359547) | [studio128k SL](https://appshunter.io/developer/1460712025) |

## What reviewers say

### Calculator for All

[App page](https://appshunter.io/ios/app/calculator-for-all-solves/id1394359548)

A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.

**Highlights:** Edit expressions without limitations, Instant results, Sync calculation history across devices, Unit conversion (currencies, physical units), Fraction support, Customizable themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solves+ | $9.99 | one-time |

**What reviewers like**

- 👍 Excellent calculator app
- 🚀 Smooth and responsive
- 🔒 No ads or data collection
- 💡 Useful features like history, comments, and unit conversions
- 👍 Clean and intuitive design

**What reviewers complain about**

- 🐛 Occasional crashes or bugs after updates
- 🐛 Issues with certain mathematical operations
- 🐛 Family sharing not working properly
- 🐛 Lag or performance issues on some devices
- 💡 Desire for more advanced features like fractions, base conversions

**Reported bugs**

- Crashes when pressing certain buttons
- Issues with parsing complex expressions
- Incorrect results for some calculations
- Problems with history clearing or syncing

**Requested features**

- Add support for fractions and mixed numbers
- Implement a widget for quick access
- Allow resizing the app window on Mac
- Provide more customization options
- Add support for Apple Watch


### Austros

[App page](https://appshunter.io/ios/app/austros/id6747119427)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator for All free?

Calculator for All is free to download, with in-app purchases available.

### Is Austros free?

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

### Do Calculator for All or Austros have ads?

Neither Calculator for All nor Austros shows ads.

### Which is updated more often, Calculator for All or Austros?

Calculator for All ships an update every 4 weeks, and Austros fortnightly. Most recently, Calculator for All was updated on November 2, 2026 and Austros on October 30, 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.*