# M vs Ultimate Calculator

The clearest difference is ads: M at none against Ultimate Calculator's shown. M also leads on iOS requirement (13.0 vs 15.0). On price, 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.

## The numbers

| Metric | M | Ultimate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 1 MB | 156 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Nakajima](https://appshunter.io/developer/1511690087) | [JEEHYUK PARK](https://appshunter.io/developer/1895897366) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-1-timer/id6474502299)

This utility app provides discreet timekeeping for situations where glancing at a watch is impractical. It's designed for performers, speakers, or anyone needing to monitor time without visual distraction.

**Highlights:** Discreet time display, Ideal for performances, Useful for speeches, Supports Apple Watch, iPhone and iPod compatible

**In-app purchases:** none


### Ultimate Calculator

[App page](https://appshunter.io/ios/app/ultimate-calculator-all-in-one/id6784606372)

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

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Ultimate Calculator free?

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

### Do M or Ultimate Calculator have ads?

Ultimate Calculator shows ads; M does not.

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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.*