# basalt vs Iris

The clearest difference is update cadence: basalt at every 10 days against Iris's every 3 weeks. Iris's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. basalt sells 2 in-app purchases, starting at $0.99 per 7 days and Iris sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

basalt ships an update every 10 days, Iris every 3 weeks. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | basalt | Iris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 20 MB | 53 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Igor Diachuk](https://appshunter.io/developer/1846996492) | [KENNETH CHIN WEI YOW](https://appshunter.io/developer/6783362022) |

## What reviewers say

### basalt

[App page](https://appshunter.io/ios/app/basalt-ai-notes/id6754186830)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basalt Weekly | $0.99 | per 7 days |
| Basalt Yearly | $12.99 | per year |


### Iris

[App page](https://appshunter.io/ios/app/iris-work-notes/id6783362020)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iris Plus Monthly | $3.99 | per month |
| Iris Plus Yearly | $29.99 | per year |


## Frequently asked questions

### Is basalt free?

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

### Is Iris free?

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

### Do basalt or Iris have ads?

Neither basalt nor Iris shows ads.

### Which is updated more often, basalt or Iris?

basalt ships an update every 10 days, and Iris every 3 weeks. Most recently, basalt was updated on September 13, 2026 and Iris on September 25, 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.*