# CFU 2023 vs FlowTens

The clearest difference is update cadence: CFU 2023 at every 2 weeks against FlowTens's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CFU 2023 ships an update every 2 weeks, FlowTens every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CFU 2023 | FlowTens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 39 MB | 17 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ASS FRANCAISE UROLOGIE](https://appshunter.io/developer/1437636938) | [ValoTec](https://appshunter.io/developer/1454514901) |

## What reviewers say

### CFU 2023

[App page](https://appshunter.io/ios/app/cfu-2023/id1590027359)

**In-app purchases:** none


### FlowTens

[App page](https://appshunter.io/ios/app/flowtens/id1617637502)

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

**In-app purchases:** none


## Frequently asked questions

### Is CFU 2023 free?

CFU 2023 is free to download, with no in-app purchases.

### Is FlowTens free?

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

### Do CFU 2023 or FlowTens have ads?

Neither CFU 2023 nor FlowTens shows ads.

### Which is updated more often, CFU 2023 or FlowTens?

CFU 2023 ships an update every 2 weeks, and FlowTens every 3 months. Most recently, CFU 2023 was updated on October 27, 2026 and FlowTens on October 25, 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.*