# Flet vs Apollon

The clearest difference is review sentiment: Flet at 88% against Apollon's 0%. Flet also leads on rating (4.8 vs 3.0) and update cadence (every 6 weeks vs every 15 months). On price, ads, in-app purchases and monetization model 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, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Flet has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 88% of Flet's written reviews are positive against 0% of Apollon's.

Flet ships an update every 6 weeks, Apollon every 15 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Flet | Apollon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/flet/id1624979699/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/apollon-uml-modeling-editor/id6474762031/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Monetization | Free | Free |
| Size | 203 MB | 18 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appveyor Systems Inc.](https://appshunter.io/developer/1624979701) | [TUM Applied Education Technologies](https://appshunter.io/developer/1722474982) |

## What reviewers say

### 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


### Apollon

[App page](https://appshunter.io/ios/app/apollon-uml-modeling-editor/id6474762031)

Create UML and software design diagrams on your iPhone and iPad. Supports 13 notations, templates, and offline work. Export to various formats or share for collaboration.

**Highlights:** 13 diagram notations, Templates and blank canvas, Touch-friendly interface, Offline diagram creation, Export to SVG, PNG, PDF, PPTX, JSON, Share for collaboration

**In-app purchases:** none


## Frequently asked questions

### Is Flet free?

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

### Is Apollon free?

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

### Which has better reviews, Flet or Apollon?

Flet is rated higher. Flet averages 4.8 out of 5 from 10 ratings, while Apollon averages 3.0 from 2 ratings.

### Do Flet or Apollon have ads?

Neither Flet nor Apollon shows ads.

### Which is updated more often, Flet or Apollon?

Flet ships an update every 6 weeks, and Apollon every 15 months. Most recently, Flet was updated on November 3, 2026 and Apollon on November 4, 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.*