# OS Platform vs Item Keeper

The clearest difference is in-app purchases: OS Platform at none against Item Keeper's 1. Item Keeper's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Item Keeper sells 1 one-off in-app purchase. OS Platform asks for nothing beyond the download.

OS Platform ships an update weekly, Item Keeper every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OS Platform | Item Keeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 186 MB | 42 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [广州中视觉健康管理有限公司](https://appshunter.io/developer/1247884184) | [科茗 王](https://appshunter.io/developer/1557609615) |

## What reviewers say

### OS Platform

[App page](https://appshunter.io/ios/app/os-platform/id1449699236)

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

**In-app purchases:** none


### Item Keeper

[App page](https://appshunter.io/ios/app/item-keeper-home-inventory/id6810586964)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Item Keeper Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is OS Platform free?

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

### Is Item Keeper free?

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

### Do OS Platform or Item Keeper have ads?

Neither OS Platform nor Item Keeper shows ads.

### Which is updated more often, OS Platform or Item Keeper?

OS Platform ships an update weekly, and Item Keeper every 4 days. Most recently, OS Platform was updated on November 2, 2026 and Item Keeper on October 31, 2026.

---

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