# ESP RainMaker Classic vs ASTRO

The clearest difference is rating: ASTRO at 5.0 against ESP RainMaker Classic's 4.4. ESP RainMaker Classic's advantage is ratings volume (12 vs 1) and device support (3 vs 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.

ASTRO holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ESP RainMaker Classic has 12 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 26, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | ESP RainMaker Classic | ASTRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (12 ratings)](https://appshunter.io/ios/app/esp-rainmaker-classic/id1497491540/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astro-wireless-solutions/id6636550229/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 55 MB | 4 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.](https://appshunter.io/developer/1071176699) | [Aleksandr Dolgov](https://appshunter.io/developer/1690985830) |

## What reviewers say

### ESP RainMaker Classic

[App page](https://appshunter.io/ios/app/esp-rainmaker-classic/id1497491540)

This platform allows developers to quickly realize ideas using ESP32/ESP32-S2 hardware. It facilitates account sign-up, device provisioning, and control, with an automatically rendered UI based on firmware descriptions.

**Highlights:** ESP32/ESP32-S2 integration, Account sign-up, Device provisioning, Device control and management, Auto-rendered UI, Firmware description integration

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ESP RainMaker Classic free?

ESP RainMaker Classic is free to download, with no in-app purchases.

### Is ASTRO free?

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

### Which has better reviews, ESP RainMaker Classic or ASTRO?

ASTRO is rated higher. ESP RainMaker Classic averages 4.4 out of 5 from 12 ratings, while ASTRO averages 5.0 from 1 ratings.

### Do ESP RainMaker Classic or ASTRO have ads?

Neither ESP RainMaker Classic nor ASTRO shows ads.

### Which is updated more often, ESP RainMaker Classic or ASTRO?

ESP RainMaker Classic ships an update every 5 weeks, and ASTRO every 5 weeks. Most recently, ESP RainMaker Classic was updated on September 26, 2026 and ASTRO on August 1, 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.*