# JCC Authenticator vs MyTESY

The clearest difference is update cadence: MyTESY at every 2 months against JCC Authenticator's every 9 months. MyTESY also leads on review sentiment (11% vs 0%) and ratings volume (3 vs 1). JCC Authenticator's advantage is iOS requirement (13.0 vs 15.6). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for JCC Authenticator against 1.0 for MyTESY. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 0% of JCC Authenticator's written reviews are positive against 11% of MyTESY's.

JCC Authenticator ships an update every 9 months, MyTESY every 2 months. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | JCC Authenticator | MyTESY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/jcc-authenticator/id1458855518/reviews) | [1.0 (3 ratings)](https://appshunter.io/ios/app/mytesy/id1566117757/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **10.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 10 MB | 36 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JCC Payment Systems Ltd](https://appshunter.io/developer/1417259079) | [Tesy OOD](https://appshunter.io/developer/1561956911) |

## What reviewers say

### JCC Authenticator

[App page](https://appshunter.io/ios/app/jcc-authenticator/id1458855518)

Securely authorize and approve document or transaction signings remotely from your mobile device. This application utilizes two-factor authentication for enhanced security and provides legally recognized electronic signatures based on EU regulations.

**Highlights:** Secure authorization and approval, Remote signing from mobile devices, Two-factor authentication, Legally recognized electronic signatures, EU Regulation 910/2014 compliant

**Features:** macOS Compatibility

**In-app purchases:** none


### MyTESY

[App page](https://appshunter.io/ios/app/mytesy/id1566117757)

Control and manage your smart TESY appliances remotely. Set personalized weekly heating schedules or utilize energy-efficient Eco modes for water heaters and convectors. Monitor and control your devices in real-time from anywhere.

**Highlights:** Remote appliance management, Personalized weekly programming, Energy-efficient Eco modes, Real-time status monitoring, Control multiple TESY Cloud products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JCC Authenticator free?

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

### Is MyTESY free?

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

### Which has better reviews, JCC Authenticator or MyTESY?

JCC Authenticator and MyTESY are both rated 1.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do JCC Authenticator or MyTESY have ads?

Neither JCC Authenticator nor MyTESY shows ads.

### Which is updated more often, JCC Authenticator or MyTESY?

JCC Authenticator ships an update every 9 months, and MyTESY every 2 months. Most recently, JCC Authenticator was updated on October 3, 2026 and MyTESY on October 6, 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.*