# JSFITUS vs HyNext

The clearest difference is in-app purchases: JSFITUS at none against HyNext's 2. JSFITUS also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

JSFITUS ships an update every 5 days, HyNext every 4 days. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | JSFITUS | HyNext |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 42 MB | 43 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JING SHIN TECHNOLOGIES CO., LTD.](https://appshunter.io/developer/1801420688) | [YUYUAN LIU](https://appshunter.io/developer/6812409139) |

## What reviewers say

### JSFITUS

[App page](https://appshunter.io/ios/app/jsfitus/id1467866503)

Track your daily activity, including steps, calories, and distance, with real-time sports monitoring. It also provides health data tracking for sleep and other metrics, along with useful daily tools.

**Highlights:** Activity data recording (steps, calories, distance), Real-time sports monitoring, Health data tracking (sleep, etc.), Historical data records, Message reception, Daily tools (alarms, stopwatches)

**Features:** macOS Compatibility

**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 JSFITUS free?

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

### Is HyNext free?

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

### Do JSFITUS or HyNext have ads?

Neither JSFITUS nor HyNext shows ads.

### Which is updated more often, JSFITUS or HyNext?

JSFITUS ships an update every 5 days, and HyNext every 4 days. Most recently, JSFITUS was updated on October 23, 2026 and HyNext on October 29, 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.*