# Fluo vs Longtang

The clearest difference is update cadence: Fluo at every 4 days against Longtang's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fluo sells 2 in-app purchases, starting at $9.99 per month and Longtang sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fluo ships an update every 4 days, Longtang every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Fluo | Longtang |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fluo-language-learning/id6759833037/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 54 MB | 172 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Fluo Inc](https://appshunter.io/developer/1881057907) | [Filiberto Secchi](https://appshunter.io/developer/1839907928) |

## What reviewers say

### Fluo

[App page](https://appshunter.io/ios/app/fluo-language-learning/id6759833037)

Master Chinese vocabulary with AI-powered sentences and spaced repetition. Learn words that matter to you through personalized reviews and interactive exercises. Get instant explanations and track your progress to build lasting language skills.

**Highlights:** AI-generated personalized sentences, Spaced repetition for memory retention, Topic-based vocabulary learning, Active and passive recall modes, Instant grammar and usage explanations, Translate and learn from any text, Progress tracking and daily goals

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluo Premium Monthly Subscription | $9.99 | per month |
| Fluo Premium Annual Subscription | $59.99 | per year |


### Longtang

[App page](https://appshunter.io/ios/app/longtang-learn-chinese/id6760728269)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Longtang | $39.99 | one-time |


## Frequently asked questions

### Is Fluo free?

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

### Is Longtang free?

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

### Do Fluo or Longtang have ads?

Neither Fluo nor Longtang shows ads.

### Which is updated more often, Fluo or Longtang?

Fluo ships an update every 4 days, and Longtang every 2 months. Most recently, Fluo was updated on October 31, 2026 and Longtang on October 31, 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.*