# Gen21 vs Semcomm

The clearest difference is update cadence: Semcomm at fortnightly against Gen21's every 4 months. Semcomm also leads on iOS requirement (13.0 vs 16.6). 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.

Gen21 ships an update every 4 months, Semcomm fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Gen21 | Semcomm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 107 MB | 12 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gen21 Australia Pty Ltd](https://appshunter.io/developer/1713100329) | [Spy Ego Media LLC](https://appshunter.io/developer/1717755381) |

## What reviewers say

### Gen21

[App page](https://appshunter.io/ios/app/gen21-user-app/id6470171640)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Semcomm

[App page](https://appshunter.io/ios/app/semcomm/id6472796767)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gen21 free?

Gen21 is free to download, with no in-app purchases.

### Is Semcomm free?

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

### Do Gen21 or Semcomm have ads?

Neither Gen21 nor Semcomm shows ads.

### Which is updated more often, Gen21 or Semcomm?

Gen21 ships an update every 4 months, and Semcomm fortnightly. Most recently, Gen21 was updated on October 27, 2026 and Semcomm on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*