# JSFITUS vs eROD agent

The clearest difference is update cadence: JSFITUS at every 5 days against eROD agent's every 3 weeks. JSFITUS also leads on iOS requirement (11.0 vs 13.0). 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.

JSFITUS ships an update every 5 days, eROD agent every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JSFITUS | eROD agent |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 42 MB | 67 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JING SHIN TECHNOLOGIES CO., LTD.](https://appshunter.io/developer/1801420688) | [Yidai Yibang (Shenzhen) Health Biotechnology Co., Ltd](https://appshunter.io/developer/1790107302) |

## 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


### eROD agent

[App page](https://appshunter.io/ios/app/erod-agent/id6742767884)

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

**In-app purchases:** none


## Frequently asked questions

### Is JSFITUS free?

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

### Is eROD agent free?

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

### Do JSFITUS or eROD agent have ads?

Neither JSFITUS nor eROD agent shows ads.

### Which is updated more often, JSFITUS or eROD agent?

JSFITUS ships an update every 5 days, and eROD agent every 3 weeks. Most recently, JSFITUS was updated on October 6, 2026 and eROD agent on October 11, 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.*