# PagerTree vs OMOsystems

The clearest difference is update cadence: OMOsystems at every 9 days against PagerTree's every 27 months. OMOsystems also leads on iOS requirement (11.0 vs 15.5). 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.

PagerTree ships an update every 27 months, OMOsystems every 9 days. The most recent releases landed on October 13, 2026 and December 1, 2025 respectively.

## The numbers

| Metric | PagerTree | OMOsystems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/pagertree/id1266437807/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 11 MB | 112 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PagerTree LLC](https://appshunter.io/developer/1266437806) | [0M0 SYSTEMS LTD](https://appshunter.io/developer/1469026837) |

## What reviewers say

### PagerTree

[App page](https://appshunter.io/ios/app/pagertree/id1266437807)

Streamline team communication and alert management with intelligent routing. This tool simplifies on-call schedules and ensures critical notifications reach the right people efficiently.

**Highlights:** Intelligent alert routing, On-call schedule management, Team communication simplification, Modern notification system

**Features:** macOS Compatibility

**In-app purchases:** none


### OMOsystems

[App page](https://appshunter.io/ios/app/omosystems/id1617610209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PagerTree free?

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

### Is OMOsystems free?

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

### Do PagerTree or OMOsystems have ads?

Neither PagerTree nor OMOsystems shows ads.

### Which is updated more often, PagerTree or OMOsystems?

PagerTree ships an update every 27 months, and OMOsystems every 9 days. Most recently, PagerTree was updated on October 13, 2026 and OMOsystems on December 1, 2025.

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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.*