# DEA vs FluentIn

The clearest difference is in-app purchases: DEA at none against FluentIn's 7. DEA also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). FluentIn's advantage is update cadence (daily vs every 2 months). On price and ads there is nothing between them.

Both are free to download. FluentIn sells 7 one-off in-app purchases. DEA asks for nothing beyond the download.

DEA ships an update every 2 months, FluentIn daily. Both last shipped on October 9, 2026.

## The numbers

| Metric | DEA | FluentIn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 28 MB | 57 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Jiayan Lin](https://appshunter.io/developer/6802889429) |

## What reviewers say

### DEA

[App page](https://appshunter.io/ios/app/dea-c01-data-engineer-prep/id6747032687)

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

**In-app purchases:** none


### FluentIn

[App page](https://appshunter.io/ios/app/fluentin/id6811386198)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluent in Silicon Valley | $4.99 | one-time |
| Fluent in New York | $4.99 | one-time |
| Fluent in Wall Street | $4.99 | one-time |
| Fluent in Boston | $4.99 | one-time |
| Fluent in Coffee Shops | $4.99 | one-time |
| Fluent in Tainan | $4.99 | one-time |
| Fluent in Shanghai | $4.99 | one-time |


## Frequently asked questions

### Is DEA free?

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

### Is FluentIn free?

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

### Do DEA or FluentIn have ads?

Neither DEA nor FluentIn shows ads.

### Which is updated more often, DEA or FluentIn?

DEA ships an update every 2 months, and FluentIn daily. Most recently, DEA was updated on October 9, 2026 and FluentIn on October 9, 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.*