# Sis vs Onset Workouts

The clearest difference is in-app purchases: Sis at none against Onset Workouts's 2. Sis also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.5). Onset Workouts's advantage is update cadence (every 2 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Onset Workouts sells 2 in-app purchases, starting at $1.99 per month. Sis asks for nothing beyond the download.

Sis ships an update every 3 months, Onset Workouts every 2 days. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sis | Onset Workouts |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 181 MB | 67 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DT HEALTH AND FITNESS COACHING LTD](https://appshunter.io/developer/1815958163) | [Stefan Michalak](https://appshunter.io/developer/968027039) |

## What reviewers say

### Sis

[App page](https://appshunter.io/ios/app/sis/id6746260505)

A strength training platform designed exclusively for women, offering expert-led workouts, mental resilience tools, and a supportive community. Achieve your fitness goals at your own pace, whether at home or in the gym.

**Highlights:** Structured strength programs for all levels, Realistic resilience tools and guidance, Supportive sisterhood community, Progress tracking for physical and mental wins, Live classes and challenges, Diverse training styles (bodyweight, kettlebell, etc.)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onset Workouts

[App page](https://appshunter.io/ios/app/onset-workouts/id6785293766)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Sis free?

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

### Is Onset Workouts free?

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

### Do Sis or Onset Workouts have ads?

Onset Workouts shows ads; Sis does not.

### Which is updated more often, Sis or Onset Workouts?

Sis ships an update every 3 months, and Onset Workouts every 2 days. Most recently, Sis was updated on October 12, 2026 and Onset Workouts on October 17, 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.*