# Adastra Messier vs AIGun

The clearest difference is iOS requirement: Adastra Messier at 13.0 against AIGun's 15.0. 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.

Adastra Messier ships an update weekly, AIGun every 4 days. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Adastra Messier | AIGun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/adastra-messier/id6463130726/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 91 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ENJOY'RN CORP](https://appshunter.io/developer/1641491751) | [International Satoshi Group Co., Limited](https://appshunter.io/developer/1805286451) |

## What reviewers say

### Adastra Messier

[App page](https://appshunter.io/ios/app/adastra-messier/id6463130726)

Facilitate secure and private cryptocurrency transactions for online and retail businesses. Accept payments directly or convert to fiat currency in the future.

**Highlights:** Private crypto payments, Crypto payment gateway, POS machine for retail, Receive crypto directly, Future fiat conversion

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### AIGun

[App page](https://appshunter.io/ios/app/aigun/id6753933595)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Adastra Messier free?

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

### Is AIGun free?

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

### Do Adastra Messier or AIGun have ads?

Neither Adastra Messier nor AIGun shows ads.

### Which is updated more often, Adastra Messier or AIGun?

Adastra Messier ships an update weekly, and AIGun every 4 days. Most recently, Adastra Messier was updated on October 2, 2026 and AIGun on October 17, 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.*