# Soleus vs stiff

The clearest difference is in-app purchases: Soleus at none against stiff's 2. Soleus also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. stiff sells 2 in-app purchases, starting at $1.99 per 7 days. Soleus asks for nothing beyond the download.

## The numbers

| Metric | Soleus | stiff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/soleus-push-up/id6466787979/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | — |
| Size | 27 MB | 110 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [APSEN BILISIM VE YAZILIM SISTEMLERI SANAYI TICARET LTD STI](https://appshunter.io/developer/1061697861) | [Nga Man Yip](https://appshunter.io/developer/1878025022) |

## What reviewers say

### Soleus

[App page](https://appshunter.io/ios/app/soleus-push-up/id6466787979)

This app offers targeted exercises and expert content to strengthen your soleus muscle for improved ankle stability and calf strength. It provides personalized weekly plans to help you stay on track with your fitness goals.

**Highlights:** Soleus muscle workouts, Personalized weekly exercise plans, Content from fitness experts, Calf strength improvement, Ankle stability enhancement

**Features:** macOS Compatibility

**In-app purchases:** none


### stiff

[App page](https://appshunter.io/ios/app/stiff-screen-time-blocker/id6761408741)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stiff Pro Weekly | $1.99 | per 7 days |
| Stiff Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Soleus free?

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

### Is stiff free?

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

### Do Soleus or stiff have ads?

Neither Soleus nor stiff shows ads.

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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.*