# Unit Eater vs BasicCalc

The clearest difference is in-app purchases: BasicCalc at none against Unit Eater's 2. Unit Eater's advantage is update cadence (every 2 weeks vs every 17 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Unit Eater sells 2 in-app purchases, starting at $0.99 per month. BasicCalc asks for nothing beyond the download.

Unit Eater ships an update every 2 weeks, BasicCalc every 17 months. The most recent releases landed on September 11, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Unit Eater | BasicCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/basiccalc-scientific-and-easy/id6743786074/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 17 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 11 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Leon Schmidt](https://appshunter.io/developer/1634212175) | [Rodrigo Belloso](https://appshunter.io/developer/1361382340) |

## What reviewers say

### Unit Eater

[App page](https://appshunter.io/ios/app/unit-eater/id6742549723)

This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.

**Highlights:** Unit conversion and calculation, Custom unit definition, Extensive unit library, Calculation history, Customizable result format, Dark mode

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $0.99 | per month |
| Premium - Pay once | $3.99 | one-time |


### BasicCalc

[App page](https://appshunter.io/ios/app/basiccalc-scientific-and-easy/id6743786074)

This app offers both basic and advanced scientific calculation modes with a clean interface and large buttons. It features a persistent history of your last 30 operations and works offline on your iPhone or iPad.

**Highlights:** Basic and Scientific calculation modes, Large, easy-to-tap buttons, Persistent calculation history (last 30 ops), Works offline, Dark theme option, Supports iPhone and iPad

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Eater free?

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

### Is BasicCalc free?

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

### Do Unit Eater or BasicCalc have ads?

Neither Unit Eater nor BasicCalc shows ads.

### Which is updated more often, Unit Eater or BasicCalc?

Unit Eater ships an update every 2 weeks, and BasicCalc every 17 months. Most recently, Unit Eater was updated on September 11, 2026 and BasicCalc on August 19, 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.*