# TeachableMachine vs KeyFluent

The clearest difference is review sentiment: KeyFluent at 100% against TeachableMachine's 11%. KeyFluent also leads on rating (5.0 vs 1.8) and update cadence (every 5 days vs every 6 weeks). TeachableMachine's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. KeyFluent sells 2 in-app purchases, starting at $3.99 per month. TeachableMachine asks for nothing beyond the download.

KeyFluent holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 11% of TeachableMachine's written reviews are positive against 100% of KeyFluent's.

TeachableMachine ships an update every 6 weeks, KeyFluent every 5 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TeachableMachine | KeyFluent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (4 ratings)](https://appshunter.io/ios/app/teachablemachine/id1580328312/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/keyfluent/id6772628552/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 11.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 96 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robocar Ltd](https://appshunter.io/developer/1506567030) | [Stephen Alexander](https://appshunter.io/developer/6772628554) |

## What reviewers say

### TeachableMachine

[App page](https://appshunter.io/ios/app/teachablemachine/id1580328312)

Create machine learning models easily on your mobile device. Capture data samples or upload custom ones, train your model, and instantly preview results. Export your trained models for use in other projects.

**Highlights:** Create machine learning models, Image training support, Capture data from webcam, Upload custom data samples, Instant model preview, Export trained models

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

**In-app purchases:** none


### KeyFluent

[App page](https://appshunter.io/ios/app/keyfluent/id6772628552)

Learn a new language effortlessly by integrating language learning directly into your daily messaging. This keyboard translates your typed messages in real-time and incoming messages, offering an immersive, low-pressure way to acquire vocabulary and phrases.

**Highlights:** Translate messages as you type, Automatic translation of incoming messages, Translate copied text, Hear word pronunciations, Save words to a personal deck, Vocabulary practice games, Adaptive keyboard layout

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyFluent | $3.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is TeachableMachine free?

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

### Is KeyFluent free?

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

### Which has better reviews, TeachableMachine or KeyFluent?

KeyFluent is rated higher. TeachableMachine averages 1.8 out of 5 from 4 ratings, while KeyFluent averages 5.0 from 5 ratings.

### Do TeachableMachine or KeyFluent have ads?

Neither TeachableMachine nor KeyFluent shows ads.

### Which is updated more often, TeachableMachine or KeyFluent?

TeachableMachine ships an update every 6 weeks, and KeyFluent every 5 days. Most recently, TeachableMachine was updated on October 24, 2026 and KeyFluent on October 15, 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.*