# ESP RainMaker Classic vs Binary Hex Number Converter

The clearest difference is in-app purchases: ESP RainMaker Classic at none against Binary Hex Number Converter's 3. ESP RainMaker Classic also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Binary Hex Number Converter's advantage is update cadence (fortnightly vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Binary Hex Number Converter sells 3 in-app purchases, starting at $2.99 per 7 days. ESP RainMaker Classic asks for nothing beyond the download.

ESP RainMaker Classic ships an update every 5 weeks, Binary Hex Number Converter fortnightly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ESP RainMaker Classic | Binary Hex Number Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (12 ratings)](https://appshunter.io/ios/app/esp-rainmaker-classic/id1497491540/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 58 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.](https://appshunter.io/developer/1071176699) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## 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


### Binary Hex Number Converter

[App page](https://appshunter.io/ios/app/binary-hex-number-converter/id6772262684)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |
| Lifetime Pro | $29.99 | one-time |


## Frequently asked questions

### Is ESP RainMaker Classic free?

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

### Is Binary Hex Number Converter free?

Binary Hex Number Converter is free to download, with in-app purchases available.

### Do ESP RainMaker Classic or Binary Hex Number Converter have ads?

Neither ESP RainMaker Classic nor Binary Hex Number Converter shows ads.

### Which is updated more often, ESP RainMaker Classic or Binary Hex Number Converter?

ESP RainMaker Classic ships an update every 5 weeks, and Binary Hex Number Converter fortnightly. Most recently, ESP RainMaker Classic was updated on October 13, 2026 and Binary Hex Number Converter on October 9, 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.*