# onsim vs Optimal Edge

The clearest difference is update cadence: onsim at weekly against Optimal Edge's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

onsim ships an update weekly, Optimal Edge every 5 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | onsim | Optimal Edge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Size | 82 MB | 31 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [에이치비커넥트](https://appshunter.io/developer/1744133787) | [Optimal Edge Fitness LLC](https://appshunter.io/developer/1788923158) |

## What reviewers say

### onsim

[App page](https://appshunter.io/ios/app/onsim-exercise-to-your-rhythm/id6480011843)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Optimal Edge

[App page](https://appshunter.io/ios/app/optimal-edge/id6740208255)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is onsim free?

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

### Is Optimal Edge free?

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

### Do onsim or Optimal Edge have ads?

Neither onsim nor Optimal Edge shows ads.

### Which is updated more often, onsim or Optimal Edge?

onsim ships an update weekly, and Optimal Edge every 5 months. Most recently, onsim was updated on November 4, 2026 and Optimal Edge on October 30, 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.*