# 進化論Evolution Fitness vs HyNext

The clearest difference is in-app purchases: 進化論Evolution Fitness at none against HyNext's 2. HyNext's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HyNext sells 2 in-app purchases, starting at $4.99 per month. 進化論Evolution Fitness asks for nothing beyond the download.

進化論Evolution Fitness ships an update every 2 months, HyNext every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 進化論Evolution Fitness | HyNext |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 80 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Po-Chuan Hsueh](https://appshunter.io/developer/1701937854) | [YUYUAN LIU](https://appshunter.io/developer/6812409139) |

## What reviewers say

### 進化論Evolution Fitness

[App page](https://appshunter.io/ios/app/evolution-fitness/id1621430063)

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

**In-app purchases:** none


### HyNext

[App page](https://appshunter.io/ios/app/hynext/id6812409137)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整版 · 月 | $4.99 | per month |
| 完整版 · 年 | $29.99 | per year |


## Frequently asked questions

### Is 進化論Evolution Fitness free?

進化論Evolution Fitness is free to download, with no in-app purchases.

### Is HyNext free?

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

### Do 進化論Evolution Fitness or HyNext have ads?

Neither 進化論Evolution Fitness nor HyNext shows ads.

### Which is updated more often, 進化論Evolution Fitness or HyNext?

進化論Evolution Fitness ships an update every 2 months, and HyNext every 4 days. Most recently, 進化論Evolution Fitness was updated on November 3, 2026 and HyNext on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*