# MutLab vs OPUMP

The clearest difference is iOS requirement: OPUMP at 11.0 against MutLab's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 21, 2026 and June 28, 2026 respectively.

## The numbers

| Metric | MutLab | OPUMP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (4 ratings)](https://appshunter.io/ios/app/opump/id1594124405/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 60 MB | 574 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mutlab](https://appshunter.io/developer/1363984051) | [Light&Move TECH Co.,Ltd](https://appshunter.io/developer/1567853593) |

## What reviewers say

### MutLab

[App page](https://appshunter.io/ios/app/mutlab/id1576343740)

**Features:** macOS Compatibility

**In-app purchases:** none


### OPUMP

[App page](https://appshunter.io/ios/app/opump/id1594124405)

This intelligent breathing trainer helps you test inspiratory capacity, engage in guided breathing exercises, and track your progress. It offers various training methods, historical data analysis, and even a breathing training game and course. It is not a medical device but provides reference data for app content.

**Highlights:** Test inspiratory and expiratory vital capacity, Various breathing training methods, Analysis of historical breathing records, Breathing training game, Breathing training course

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MutLab free?

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

### Is OPUMP free?

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

### Do MutLab or OPUMP have ads?

Neither MutLab nor OPUMP shows ads.

### Which is updated more often, MutLab or OPUMP?

MutLab ships an update every 2 months, and OPUMP every 2 months. Most recently, MutLab was updated on September 21, 2026 and OPUMP on June 28, 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.*