# Tekelek Diagnostics vs Rotarex Connect

The clearest difference is update cadence: Rotarex Connect at every 3 weeks against Tekelek Diagnostics's every 10 months. 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.

Tekelek Diagnostics ships an update every 10 months, Rotarex Connect every 3 weeks. Both last shipped on November 12, 2026.

## The numbers

| Metric | Tekelek Diagnostics | Rotarex Connect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 12 MB | 66 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rochester Sensors, LLC](https://appshunter.io/developer/1006999301) | [Rotarex S.A.](https://appshunter.io/developer/1500388045) |

## What reviewers say

### Tekelek Diagnostics

[App page](https://appshunter.io/ios/app/tekelek-diagnostics/id1670926813)

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

**In-app purchases:** none


### Rotarex Connect

[App page](https://appshunter.io/ios/app/rotarex-connect/id6743123248)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tekelek Diagnostics free?

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

### Is Rotarex Connect free?

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

### Do Tekelek Diagnostics or Rotarex Connect have ads?

Neither Tekelek Diagnostics nor Rotarex Connect shows ads.

### Which is updated more often, Tekelek Diagnostics or Rotarex Connect?

Tekelek Diagnostics ships an update every 10 months, and Rotarex Connect every 3 weeks. Most recently, Tekelek Diagnostics was updated on November 12, 2026 and Rotarex Connect on November 12, 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.*