# Joint Active Systems vs Omron TENS

The clearest difference is ads: Joint Active Systems at none against Omron TENS's shown. Omron TENS's advantage is update cadence (every 8 months vs every 33 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Joint Active Systems ships an update every 33 months, Omron TENS every 8 months. The most recent releases landed on January 1, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Joint Active Systems | Omron TENS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (140 ratings)](https://appshunter.io/ios/app/omron-tens/id1225437437/reviews)** |
| Number of ratings | — | **140** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 33 months | **Every 8 months** |
| Monetization | — | Free |
| Size | 2 MB | 115 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bonutti Technologies](https://appshunter.io/developer/911384806) | [OMRON HEALTHCARE Co., Ltd.](https://appshunter.io/developer/1003177042) |

## What reviewers say

### Joint Active Systems

[App page](https://appshunter.io/ios/app/joint-active-systems/id1086503051)

**Features:** macOS Compatibility

**In-app purchases:** none


### Omron TENS

[App page](https://appshunter.io/ios/app/omron-tens/id1225437437)

Control wireless TENS devices for pain relief. Offers multiple modes and intensity levels for customizable electrotherapy. Track your pain history with a built-in diary.

**Highlights:** Control Avail Dual Channel Wireless TENS devices, 5 Pre-Programmed Body Pain Modes, 4 Massage-Like Modes, 20 Intensity Levels, Bluetooth pairing, Pain history diary

**In-app purchases:** none


## Frequently asked questions

### Is Joint Active Systems free?

Joint Active Systems is free to download, with no in-app purchases.

### Is Omron TENS free?

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

### Do Joint Active Systems or Omron TENS have ads?

Omron TENS shows ads; Joint Active Systems does not.

### Which is updated more often, Joint Active Systems or Omron TENS?

Joint Active Systems ships an update every 33 months, and Omron TENS every 8 months. Most recently, Joint Active Systems was updated on January 1, 2026 and Omron TENS on October 21, 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.*