# Z80CPM vs ShareByLight File Transfer

The clearest difference is in-app purchases: Z80CPM at none against ShareByLight File Transfer's 1. Z80CPM also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ShareByLight File Transfer sells 1 one-off in-app purchase. Z80CPM asks for nothing beyond the download.

Z80CPM ships an update every 10 days, ShareByLight File Transfer every 2 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Z80CPM | ShareByLight File Transfer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/z80cpm/id6756590871/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Wohl](https://appshunter.io/developer/1860336063) | [Dragos Roua](https://appshunter.io/developer/1471975280) |

## What reviewers say

### Z80CPM

[App page](https://appshunter.io/ios/app/z80cpm/id6756590871)

Experience the classic CP/M operating system on your iOS or Mac device with a full Z80 processor emulator. Run authentic CP/M software, including operating systems, word processors, programming languages, and text adventures. Works offline with support for multiple disk images.

**Highlights:** Full Z80 emulation, VT100 terminal support, Multiple disk image mounting, Offline functionality, Native Mac support, Downloadable CP/M disk images

**Features:** Vision Pro support

**In-app purchases:** none


### ShareByLight File Transfer

[App page](https://appshunter.io/ios/app/sharebylight-file-transfer/id6796897056)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShareByLight Pro | $5.99 | one-time |


## Frequently asked questions

### Is Z80CPM free?

Z80CPM is free to download, with no in-app purchases.

### Is ShareByLight File Transfer free?

ShareByLight File Transfer is free to download, with in-app purchases available.

### Do Z80CPM or ShareByLight File Transfer have ads?

Neither Z80CPM nor ShareByLight File Transfer shows ads.

### Which is updated more often, Z80CPM or ShareByLight File Transfer?

Z80CPM ships an update every 10 days, and ShareByLight File Transfer every 2 weeks. Most recently, Z80CPM was updated on October 5, 2026 and ShareByLight File Transfer on October 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.*