# Runners Calculator vs MidLab

The clearest difference is in-app purchases: Runners Calculator at none against MidLab's 2. Runners Calculator also leads on iOS requirement (12.0 vs 15.1). MidLab's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. MidLab sells 2 in-app purchases, starting at $5.99 per month. Runners Calculator asks for nothing beyond the download.

Runners Calculator ships an update every 2 weeks, MidLab daily. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Runners Calculator | MidLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 30 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [MASAMI YAJIRI](https://appshunter.io/developer/1876933632) |

## What reviewers say

### Runners Calculator

[App page](https://appshunter.io/ios/app/runners-calculator/id6737177676)

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

**In-app purchases:** none


### MidLab

[App page](https://appshunter.io/ios/app/midlab/id6759110209)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MidLab Proプラン（月額） | $5.99 | per month |
| MidLab Proプラン（年額） | $59.99 | per year |


## Frequently asked questions

### Is Runners Calculator free?

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

### Is MidLab free?

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

### Do Runners Calculator or MidLab have ads?

Runners Calculator shows ads; MidLab does not.

### Which is updated more often, Runners Calculator or MidLab?

Runners Calculator ships an update every 2 weeks, and MidLab daily. Most recently, Runners Calculator was updated on September 22, 2026 and MidLab on September 21, 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.*