# Superfluent vs Sentence Lab

The clearest difference is update cadence: Superfluent at every 5 days against Sentence Lab's every 6 weeks. Superfluent also leads on chart position (#119 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Superfluent sells 12 in-app purchases, starting at $10.99 per month and Sentence Lab sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Superfluent ships an update every 5 days, Sentence Lab every 6 weeks. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Superfluent | Sentence Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.2K ratings)](https://appshunter.io/ios/app/superfluent-language-learning/id6471920464/reviews)** | — |
| Number of ratings | **3.2K** | — |
| Positive reviews | 93.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#119** | — |
| Size | 103 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Superfluent, Inc.](https://appshunter.io/developer/567586495) | [JEFFREY ROBERT SANCHEZ](https://appshunter.io/developer/1886201837) |

## What reviewers say

### Superfluent

[App page](https://appshunter.io/ios/app/superfluent-language-learning/id6471920464)

**Currently charting:** #119 Top Grossing · Education, #172 Top Free · Education (US App Store)

This app helps you improve conversational fluency in various languages through simulated real-world scenarios. It provides instant feedback on pronunciation and vocabulary, tracks your progress, and offers cultural and grammatical insights. Practice speaking without the pressure of real-life interactions.

**Highlights:** Real-world conversation practice, Hundreds of interactive scenarios, Real-time pronunciation feedback, Vocabulary and grammar suggestions, Progress tracking with Fluency Score, Tutor for questions and cultural context

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $10.99 | per month |
| Monthly | $12.99 | per month |
| Monthly | $14.99 | per month |
| Annual | $74.99 | per year |
| Annual | $74.99 | per year |
| Annual | $89.99 | per year |
| Annual | $99.99 | per year |
| Annual | $99.99 | per year |
| Annual | $99.99 | per year |
| Family Plan | $109.99 | per year |
| Family Plan | $134.99 | per year |
| Family Plan | $149.99 | per year |

**What reviewers like**

- 🚀 Real-time conversation practice
- 👍 Meaningful and life-like conversations
- 👍 Provides feedback and suggestions for improvement
- 👍 Ability to play back recordings
- 👍 Useful for improving fluency and confidence

**What reviewers complain about**

- 🐛 Occasional issues with voice recognition
- 🐛 Some suggested words without translations

**Reported bugs**

- Volume issue when trying to pronounce individual words

**Requested features**

- Ability to turn off text display and focus on listening
- Option to review past conversation scenarios


### Sentence Lab

[App page](https://appshunter.io/ios/app/sentence-lab/id6760779281)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentence Lab Monthly Subscription | $5.99 | per month |
| Sentence Lab Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is Superfluent free?

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

### Is Sentence Lab free?

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

### Do Superfluent or Sentence Lab have ads?

Neither Superfluent nor Sentence Lab shows ads.

### Which is updated more often, Superfluent or Sentence Lab?

Superfluent ships an update every 5 days, and Sentence Lab every 6 weeks. Most recently, Superfluent was updated on September 29, 2026 and Sentence Lab on September 23, 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.*