# CADSYS vs TES

The clearest difference is in-app purchases: CADSYS at none against TES's 1. TES's advantage is update cadence (every 6 days vs every 2 months) and iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. TES sells 1 one-off in-app purchase. CADSYS asks for nothing beyond the download.

CADSYS ships an update every 2 months, TES every 6 days. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CADSYS | TES |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/tes-for-bluetooth-key/id6462052871/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 30 MB | 37 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RGB Innovation Ltd.](https://appshunter.io/developer/903640004) | [成都仓墨科技有限公司](https://appshunter.io/developer/1668641241) |

## What reviewers say

### CADSYS

[App page](https://appshunter.io/ios/app/cadsys/id903640001)

**Features:** macOS Compatibility

**In-app purchases:** none


### TES

[App page](https://appshunter.io/ios/app/tes-for-bluetooth-key/id6462052871)

This app acts as a mobile key for Tesla vehicles, enabling keyless entry and vehicle control via Bluetooth. It allows for pairing, summoning, and removal of the digital key without requiring a login.

**Highlights:** Tesla mobile key functionality, Keyless entry, Vehicle summoning (EAP/FSD required), Bluetooth pairing, No user login required, Remove digital key

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $6.99 | one-time |


## Frequently asked questions

### Is CADSYS free?

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

### Is TES free?

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

### Do CADSYS or TES have ads?

Neither CADSYS nor TES shows ads.

### Which is updated more often, CADSYS or TES?

CADSYS ships an update every 2 months, and TES every 6 days. Most recently, CADSYS was updated on October 5, 2026 and TES on October 13, 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.*