# TechClient by Seltec vs Glück OS

The clearest difference is in-app purchases: Glück OS at none against TechClient by Seltec's 1. Glück OS also leads on update cadence (every 10 days vs every 6 weeks) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. TechClient by Seltec sells 1 in-app purchase, starting at $4.99 per month. Glück OS asks for nothing beyond the download.

TechClient by Seltec ships an update every 6 weeks, Glück OS every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TechClient by Seltec | Glück OS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 13 MB | 21 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Miguel Tamez](https://appshunter.io/developer/1840292225) | [Juan Rafael Reynoso Sandoval](https://appshunter.io/developer/1875622085) |

## What reviewers say

### TechClient by Seltec

[App page](https://appshunter.io/ios/app/techclient-by-seltec/id6756256432)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |


### Glück OS

[App page](https://appshunter.io/ios/app/gluck-os/id6760788664)

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

**In-app purchases:** none


## Frequently asked questions

### Is TechClient by Seltec free?

TechClient by Seltec is free to download, with in-app purchases available.

### Is Glück OS free?

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

### Do TechClient by Seltec or Glück OS have ads?

Neither TechClient by Seltec nor Glück OS shows ads.

### Which is updated more often, TechClient by Seltec or Glück OS?

TechClient by Seltec ships an update every 6 weeks, and Glück OS every 10 days. Most recently, TechClient by Seltec was updated on October 30, 2026 and Glück OS on October 31, 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.*