# iRITOP vs VertiGIS FM Maintenance

The clearest difference is update cadence: VertiGIS FM Maintenance at fortnightly against iRITOP's every 24 months. iRITOP's advantage is iOS requirement (10.3 vs 16.0). 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.

iRITOP ships an update every 24 months, VertiGIS FM Maintenance fortnightly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iRITOP | VertiGIS FM Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Fortnightly** |
| Size | 4 MB | 177 MB |
| Requires iOS | **10.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rittmeyer AG](https://appshunter.io/developer/450459011) | [VertiGIS GmbH](https://appshunter.io/developer/1576690177) |

## What reviewers say

### iRITOP

[App page](https://appshunter.io/ios/app/iritop/id450459008)

**Features:** macOS Compatibility

**In-app purchases:** none


### VertiGIS FM Maintenance

[App page](https://appshunter.io/ios/app/vertigis-fm-maintenance/id1576689875)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iRITOP free?

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

### Is VertiGIS FM Maintenance free?

VertiGIS FM Maintenance is free to download, with no in-app purchases.

### Do iRITOP or VertiGIS FM Maintenance have ads?

Neither iRITOP nor VertiGIS FM Maintenance shows ads.

### Which is updated more often, iRITOP or VertiGIS FM Maintenance?

iRITOP ships an update every 24 months, and VertiGIS FM Maintenance fortnightly. Most recently, iRITOP was updated on October 17, 2026 and VertiGIS FM Maintenance on October 24, 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.*