# Lyx vs Zeno

The clearest difference is in-app purchases: Lyx at none against Zeno's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zeno sells 3 one-off in-app purchases. Lyx asks for nothing beyond the download.

Lyx ships an update every 2 months, Zeno every 6 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lyx | Zeno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 60 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iyx](https://appshunter.io/developer/1367184478) | [Michael Smyth](https://appshunter.io/developer/1869910082) |

## What reviewers say

### Lyx

[App page](https://appshunter.io/ios/app/lyx/id6469419378)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Zeno

[App page](https://appshunter.io/ios/app/zeno-ai/id6759390645)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Credits | $1.00 | one-time |
| 200 Credits | $2.99 | one-time |
| 500 Credits | $4.99 | one-time |


## Frequently asked questions

### Is Lyx free?

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

### Is Zeno free?

Zeno is free to download, with in-app purchases available.

### Do Lyx or Zeno have ads?

Neither Lyx nor Zeno shows ads.

### Which is updated more often, Lyx or Zeno?

Lyx ships an update every 2 months, and Zeno every 6 weeks. Most recently, Lyx was updated on November 3, 2026 and Zeno 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.*