# Koibox for Professionals vs Keepstack

The clearest difference is in-app purchases: Koibox for Professionals at none against Keepstack's 2. 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. Koibox for Professionals asks for nothing beyond the download.

Koibox for Professionals ships an update fortnightly, Keepstack every 3 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Koibox for Professionals | Keepstack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 65 MB | 5 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Software Koibox, S.L.](https://appshunter.io/developer/1203253279) | [DUMITRU BUMBU](https://appshunter.io/developer/1868107712) |

## What reviewers say

### Koibox for Professionals

[App page](https://appshunter.io/ios/app/koibox-for-professionals/id6446947349)

**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 Koibox for Professionals free?

Koibox for Professionals is free to download, with no in-app purchases.

### Is Keepstack free?

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

### Do Koibox for Professionals or Keepstack have ads?

Neither Koibox for Professionals nor Keepstack shows ads.

### Which is updated more often, Koibox for Professionals or Keepstack?

Koibox for Professionals ships an update fortnightly, and Keepstack every 3 weeks. Most recently, Koibox for Professionals was updated on October 7, 2026 and Keepstack on October 4, 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.*