# OPTIfit. vs Measured AI

The clearest difference is in-app purchases: OPTIfit. at none against Measured AI's 4. OPTIfit. also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Measured AI's advantage is update cadence (every 8 days vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Measured AI sells 4 in-app purchases, starting at $5.99 per month. OPTIfit. asks for nothing beyond the download.

OPTIfit. ships an update every 5 months, Measured AI every 8 days. The most recent releases landed on October 27, 2026 and December 18, 2025 respectively.

## The numbers

| Metric | OPTIfit. | Measured AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Size | 174 MB | 83 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [OPTIfit Fitnessclub GbR](https://appshunter.io/developer/1582456382) | [MeasuredAI Corp.](https://appshunter.io/developer/1563633998) |

## What reviewers say

### OPTIfit.

[App page](https://appshunter.io/ios/app/optifit/id1582456380)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Measured AI

[App page](https://appshunter.io/ios/app/measured-ai/id1637936136)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Premium Monthly | $15.49 | per month |
| Yearly | $49.99 | per year |
| Premium Yearly | $139.99 | per year |


## Frequently asked questions

### Is OPTIfit. free?

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

### Is Measured AI free?

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

### Do OPTIfit. or Measured AI have ads?

Neither OPTIfit. nor Measured AI shows ads.

### Which is updated more often, OPTIfit. or Measured AI?

OPTIfit. ships an update every 5 months, and Measured AI every 8 days. Most recently, OPTIfit. was updated on October 27, 2026 and Measured AI on December 18, 2025.

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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.*