# Form Factor vs OptiRep

The clearest difference is in-app purchases: Form Factor at none against OptiRep's 2. OptiRep's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OptiRep sells 2 in-app purchases, starting at $5.99 per 7 days. Form Factor asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Form Factor | OptiRep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 8 MB | 127 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ariel Tyson](https://appshunter.io/developer/1769841120) | [Berat Yunus IPEK](https://appshunter.io/developer/1888584668) |

## What reviewers say

### Form Factor

[App page](https://appshunter.io/ios/app/form-factor/id6759933985)

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

**In-app purchases:** none


### OptiRep

[App page](https://appshunter.io/ios/app/optirep-exercise-rep-counter/id6761279675)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OptiRep Premium | $5.99 | per 7 days |
| OptiRep Premium | $44.99 | per year |


## Frequently asked questions

### Is Form Factor free?

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

### Is OptiRep free?

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

### Do Form Factor or OptiRep have ads?

Neither Form Factor nor OptiRep shows ads.

### Which is updated more often, Form Factor or OptiRep?

Form Factor ships an update fortnightly, and OptiRep fortnightly. Most recently, Form Factor was updated on October 25, 2026 and OptiRep on October 24, 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.*