# keyes arm vs MileFlow

The clearest difference is in-app purchases: keyes arm at none against MileFlow's 4. keyes arm also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.5). MileFlow's advantage is update cadence (fortnightly vs every 19 months). On price and ads there is nothing between them.

Both are free to download. MileFlow sells 4 one-off in-app purchases. keyes arm asks for nothing beyond the download.

keyes arm ships an update every 19 months, MileFlow fortnightly. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | keyes arm | MileFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Size | 11 MB | 7 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [克俭 左](https://appshunter.io/developer/1449795321) | [Oleksandr Romaniuk](https://appshunter.io/developer/1808933613) |

## What reviewers say

### keyes arm

[App page](https://appshunter.io/ios/app/keyes-arm/id1487006837)

**Features:** macOS Compatibility

**In-app purchases:** none


### MileFlow

[App page](https://appshunter.io/ios/app/mileflow/id6755446425)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Medium Coffee | $2.99 | one-time |
| Large Coffee | $4.99 | one-time |
| Extra Large Coffee | $9.99 | one-time |


## Frequently asked questions

### Is keyes arm free?

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

### Is MileFlow free?

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

### Do keyes arm or MileFlow have ads?

Neither keyes arm nor MileFlow shows ads.

### Which is updated more often, keyes arm or MileFlow?

keyes arm ships an update every 19 months, and MileFlow fortnightly. Most recently, keyes arm was updated on September 28, 2026 and MileFlow on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*