# ManagerOnline Inspector vs OS1

The clearest difference is update cadence: ManagerOnline Inspector at monthly against OS1's every 8 months. OS1's advantage is iOS requirement (13.0 vs 15.1). 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.

ManagerOnline Inspector ships an update monthly, OS1 every 8 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ManagerOnline Inspector | OS1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Size | 32 MB | 62 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProServices SK, s.r.o.](https://appshunter.io/developer/1571131048) | [Pegasus Building Services Company, Inc](https://appshunter.io/developer/1565512037) |

## What reviewers say

### ManagerOnline Inspector

[App page](https://appshunter.io/ios/app/manageronline-inspector/id1571131046)

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

**In-app purchases:** none


### OS1

[App page](https://appshunter.io/ios/app/os1/id6450308066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ManagerOnline Inspector free?

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

### Is OS1 free?

OS1 is free to download, with no in-app purchases.

### Do ManagerOnline Inspector or OS1 have ads?

Neither ManagerOnline Inspector nor OS1 shows ads.

### Which is updated more often, ManagerOnline Inspector or OS1?

ManagerOnline Inspector ships an update monthly, and OS1 every 8 months. Most recently, ManagerOnline Inspector was updated on October 21, 2026 and OS1 on October 18, 2026.

---

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