# Maintenance.ON vs Dométric

The clearest difference is in-app purchases: Maintenance.ON at none against Dométric's 1. Maintenance.ON also leads on update cadence (every 3 weeks vs every 3 months). Dométric's advantage is iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Dométric sells 1 one-off in-app purchase. Maintenance.ON asks for nothing beyond the download.

Maintenance.ON ships an update every 3 weeks, Dométric every 3 months. Both last shipped on November 8, 2026.

## The numbers

| Metric | Maintenance.ON | Dométric |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 80 MB | 45 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Herrenknecht AG](https://appshunter.io/developer/1601421537) | [Hakan Buran](https://appshunter.io/developer/1843556431) |

## What reviewers say

### Maintenance.ON

[App page](https://appshunter.io/ios/app/maintenanceon/id6746122546)

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

**In-app purchases:** none


### Dométric

[App page](https://appshunter.io/ios/app/dometric/id6753331388)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Domain Wallet Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Maintenance.ON free?

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

### Is Dométric free?

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

### Do Maintenance.ON or Dométric have ads?

Neither Maintenance.ON nor Dométric shows ads.

### Which is updated more often, Maintenance.ON or Dométric?

Maintenance.ON ships an update every 3 weeks, and Dométric every 3 months. Most recently, Maintenance.ON was updated on November 8, 2026 and Dométric on November 8, 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.*