# ESP RainMaker Classic vs Flet

The clearest difference is review sentiment: Flet at 100% against ESP RainMaker Classic's 30%. Flet also leads on rating (5.0 vs 4.4). ESP RainMaker Classic's advantage is update cadence (every 5 weeks vs every 3 months). On price, ratings volume, 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.

Flet holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 12 and 8 respectively. Written reviews point the same way: 30% of ESP RainMaker Classic's written reviews are positive against 100% of Flet's.

ESP RainMaker Classic ships an update every 5 weeks, Flet every 3 months. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ESP RainMaker Classic | Flet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (12 ratings)](https://appshunter.io/ios/app/esp-rainmaker-classic/id1497491540/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/flet/id1624979699/reviews)** |
| Number of ratings | **12** | 8 |
| Positive reviews | 30.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 55 MB | 202 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.](https://appshunter.io/developer/1071176699) | [Appveyor Systems Inc.](https://appshunter.io/developer/1624979701) |

## 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


### Flet

[App page](https://appshunter.io/ios/app/flet/id1624979699)

This app allows developers to instantly preview and test their Python-based Flet applications on iOS devices. It connects to local or hosted Flet apps, enabling real-time UI updates without the need for rebuilding or publishing. This streamlines the development workflow for creating cross-platform applications.

**Highlights:** Real-time preview on iOS, Test local or hosted apps, Instant UI updates, Single Python codebase, Cross-platform development

**Features:** 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 Flet free?

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

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

Flet is rated higher. ESP RainMaker Classic averages 4.4 out of 5 from 12 ratings, while Flet averages 5.0 from 8 ratings.

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

Neither ESP RainMaker Classic nor Flet shows ads.

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

ESP RainMaker Classic ships an update every 5 weeks, and Flet every 3 months. Most recently, ESP RainMaker Classic was updated on September 15, 2026 and Flet on September 10, 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.*