# LEHMANN Transponder vs Hyperion Cell

The clearest difference is iOS requirement: Hyperion Cell at 16.0 against LEHMANN Transponder's 18.6. On price, update cadence, 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.

LEHMANN Transponder ships an update every 10 months, Hyperion Cell every 8 months. The most recent releases landed on September 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LEHMANN Transponder | Hyperion Cell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 8 months** |
| Size | 3 MB | 16 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lehmann Vertriebsges. mbH & Co. KG](https://appshunter.io/developer/980603055) | [CALIPTO SIA](https://appshunter.io/developer/1698157451) |

## What reviewers say

### LEHMANN Transponder

[App page](https://appshunter.io/ios/app/lehmann-transponder/id1637886496)

**In-app purchases:** none


### Hyperion Cell

[App page](https://appshunter.io/ios/app/hyperion-cell/id6475090830)

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

**In-app purchases:** none


## Frequently asked questions

### Is LEHMANN Transponder free?

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

### Is Hyperion Cell free?

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

### Do LEHMANN Transponder or Hyperion Cell have ads?

Neither LEHMANN Transponder nor Hyperion Cell shows ads.

### Which is updated more often, LEHMANN Transponder or Hyperion Cell?

LEHMANN Transponder ships an update every 10 months, and Hyperion Cell every 8 months. Most recently, LEHMANN Transponder was updated on September 3, 2026 and Hyperion Cell on September 10, 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.*