# NoteStream vs Keepstack

The clearest difference is in-app purchases: NoteStream at none against Keepstack's 2. NoteStream also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Keepstack sells 2 in-app purchases, starting at $5.99 per month. NoteStream asks for nothing beyond the download.

NoteStream ships an update fortnightly, Keepstack every 4 weeks. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | NoteStream | Keepstack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 43 MB | 6 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IdeaFlow, Inc.](https://appshunter.io/developer/1330828365) | [DUMITRU BUMBU](https://appshunter.io/developer/1868107712) |

## What reviewers say

### NoteStream

[App page](https://appshunter.io/ios/app/notestream-capture-your-mind/id6752955813)

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

**In-app purchases:** none


### Keepstack

[App page](https://appshunter.io/ios/app/keepstack-save-links-and-notes/id6787906490)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $5.99 | per month |
| Pro Annual | $59.99 | per year |


## Frequently asked questions

### Is NoteStream free?

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

### Is Keepstack free?

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

### Do NoteStream or Keepstack have ads?

Neither NoteStream nor Keepstack shows ads.

### Which is updated more often, NoteStream or Keepstack?

NoteStream ships an update fortnightly, and Keepstack every 4 weeks. Most recently, NoteStream was updated on October 5, 2026 and Keepstack on October 21, 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.*