# Armour Mobile vs Upper Bound Produced by Amii

The clearest difference is update cadence: Armour Mobile at every 4 months against Upper Bound Produced by Amii's every 12 months. Armour Mobile also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

Armour Mobile ships an update every 4 months, Upper Bound Produced by Amii every 12 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Armour Mobile | Upper Bound Produced by Amii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 4 months** | Every 12 months |
| Size | 38 MB | 100 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Armour Insurance Group Ltd](https://appshunter.io/developer/1488630002) | [Alberta Machine Intelligence Institute](https://appshunter.io/developer/1612295497) |

## What reviewers say

### Armour Mobile

[App page](https://appshunter.io/ios/app/armour-mobile/id1218475644)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Upper Bound Produced by Amii

[App page](https://appshunter.io/ios/app/upper-bound-produced-by-amii/id6745002353)

**In-app purchases:** none


## Frequently asked questions

### Is Armour Mobile free?

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

### Is Upper Bound Produced by Amii free?

Upper Bound Produced by Amii is free to download, with no in-app purchases.

### Which is updated more often, Armour Mobile or Upper Bound Produced by Amii?

Armour Mobile ships an update every 4 months, and Upper Bound Produced by Amii every 12 months. Most recently, Armour Mobile was updated on October 26, 2026 and Upper Bound Produced by Amii on October 28, 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.*