# ASTRO vs expo

The clearest difference is in-app purchases: ASTRO at none against expo's 8. expo's advantage is iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. expo sells 6 one-off in-app purchases. ASTRO asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ASTRO against 5.0 for expo. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ASTRO ships an update every 5 weeks, expo monthly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ASTRO | expo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/astro-wireless-solutions/id6636550229/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/expo-docs/id6739776586/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 4 MB | 223 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Aleksandr Dolgov](https://appshunter.io/developer/1690985830) | [山峰 唐](https://appshunter.io/developer/1786607711) |

## What reviewers say

### ASTRO

[App page](https://appshunter.io/ios/app/astro-wireless-solutions/id6636550229)

Control your ADM33 immobilizer with ease. This app offers basic features for managing immobilizer states and setting controlled device addresses.

**Highlights:** ADM33 immobilizer control, Immobilizer state management, Controlled device address setting, Simple user interface

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

**In-app purchases:** none


### expo

[App page](https://appshunter.io/ios/app/expo-docs/id6739776586)

Provides developers with comprehensive React Native and Expo development examples. Learn to set up projects, use Expo tools for efficiency, and master common techniques for simple or complex applications.

**Highlights:** React Native development examples, Expo tool integration, Project setup guidance, Development efficiency techniques, Common development patterns

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Lollipop | $0.99 | one-time |
| A Chocolate Bar | $1.99 | one-time |
| A Cup of  Coffee | $2.99 | one-time |
| A Cup of Coffee | $3.99 | one-time |
| A Burger Meal | $4.99 | one-time |
| RN Docs | $4.99 | one-time |


## Frequently asked questions

### Is ASTRO free?

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

### Is expo free?

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

### Which has better reviews, ASTRO or expo?

ASTRO and expo are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ASTRO or expo have ads?

Neither ASTRO nor expo shows ads.

### Which is updated more often, ASTRO or expo?

ASTRO ships an update every 5 weeks, and expo monthly. Most recently, ASTRO was updated on October 16, 2026 and expo on October 13, 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.*