# Unit Converter A1 vs Math Sphere

The clearest difference is update cadence: Math Sphere at every 3 weeks against Unit Converter A1's every 30 months. Math Sphere also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unit Converter A1 ships an update every 30 months, Math Sphere every 3 weeks. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Unit Converter A1 | Math Sphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-a1/id1588554636/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### Unit Converter A1

[App page](https://appshunter.io/ios/app/unit-converter-a1/id1588554636)

This application simplifies daily unit conversions with easy-to-use tools. It offers a comprehensive range of conversions across basic, living, and science categories, making calculations accessible to everyone.

**Highlights:** Basic, Living, and Science Converters, Length, Weight, Area, Volume conversions, Temperature, Time, Speed, Fuel conversions, Pressure, Force, Power, Angle conversions, Digital and Frequency conversions, Easy and simple interface, Accurate and fast calculations

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

**In-app purchases:** none


### Math Sphere

[App page](https://appshunter.io/ios/app/math-sphere/id6749747366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter A1 free?

Unit Converter A1 is free to download, with no in-app purchases.

### Is Math Sphere free?

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

### Do Unit Converter A1 or Math Sphere have ads?

Neither Unit Converter A1 nor Math Sphere shows ads.

### Which is updated more often, Unit Converter A1 or Math Sphere?

Unit Converter A1 ships an update every 30 months, and Math Sphere every 3 weeks. Most recently, Unit Converter A1 was updated on September 10, 2026 and Math Sphere on September 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.*