# iMaintain CMMS vs QR Inventory

The clearest difference is update cadence: QR Inventory at every 4 days against iMaintain CMMS's every 3 weeks. iMaintain CMMS's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iMaintain CMMS ships an update every 3 weeks, QR Inventory every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iMaintain CMMS | QR Inventory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 30 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [iMaintain Solutions Limited](https://appshunter.io/developer/1826398527) | [Kieron Williams](https://appshunter.io/developer/1861857301) |

## What reviewers say

### iMaintain CMMS

[App page](https://appshunter.io/ios/app/imaintain-cmms/id6748581405)

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

**In-app purchases:** none


### QR Inventory

[App page](https://appshunter.io/ios/app/qr-inventory/id6756620761)

**In-app purchases:** none


## Frequently asked questions

### Is iMaintain CMMS free?

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

### Is QR Inventory free?

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

### Do iMaintain CMMS or QR Inventory have ads?

Neither iMaintain CMMS nor QR Inventory shows ads.

### Which is updated more often, iMaintain CMMS or QR Inventory?

iMaintain CMMS ships an update every 3 weeks, and QR Inventory every 4 days. Most recently, iMaintain CMMS was updated on October 24, 2026 and QR Inventory on October 9, 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.*