# Note by Xi vs DevIndex

The clearest difference is price: DevIndex at Free against Note by Xi's $0.99. DevIndex also leads on iOS requirement (15.1 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

DevIndex is free to download; Note by Xi costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Note by Xi ships an update every 8 days, DevIndex weekly. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Note by Xi | DevIndex |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Size | 56 MB | 37 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鉴 郗](https://appshunter.io/developer/559961494) | [Dao Duong](https://appshunter.io/developer/1851400410) |

## What reviewers say

### Note by Xi

[App page](https://appshunter.io/ios/app/note-by-xi-the-cleanest-note/id6757339447)

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

**In-app purchases:** none


### DevIndex

[App page](https://appshunter.io/ios/app/devindex/id6758738242)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Note by Xi free?

Note by Xi costs $0.99, with no in-app purchases.

### Is DevIndex free?

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

### Do Note by Xi or DevIndex have ads?

Neither Note by Xi nor DevIndex shows ads.

### Which is updated more often, Note by Xi or DevIndex?

Note by Xi ships an update every 8 days, and DevIndex weekly. Most recently, Note by Xi was updated on October 2, 2026 and DevIndex on September 30, 2026.

---

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