# ALLU vs Metso Dynamic Service Key

The clearest difference is iOS requirement: ALLU at 8.0 against Metso Dynamic Service Key's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ALLU ships an update every 11 months, Metso Dynamic Service Key every 21 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ALLU | Metso Dynamic Service Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 21 months |
| Size | 46 MB | 14 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avenla Oy](https://appshunter.io/developer/1087284482) | [Metso Finland Oy](https://appshunter.io/developer/1311427391) |

## What reviewers say

### ALLU

[App page](https://appshunter.io/ios/app/allu/id1361061015)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metso Dynamic Service Key

[App page](https://appshunter.io/ios/app/metso-dynamic-service-key/id1556642990)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ALLU free?

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

### Is Metso Dynamic Service Key free?

Metso Dynamic Service Key is free to download, with no in-app purchases.

### Do ALLU or Metso Dynamic Service Key have ads?

Neither ALLU nor Metso Dynamic Service Key shows ads.

### Which is updated more often, ALLU or Metso Dynamic Service Key?

ALLU ships an update every 11 months, and Metso Dynamic Service Key every 21 months. Most recently, ALLU was updated on October 26, 2026 and Metso Dynamic Service Key on October 25, 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.*