# Fclass vs Senbut

The clearest difference is update cadence: Senbut at weekly against Fclass's every 2 months. Senbut also leads on iOS requirement (12.1 vs 16.0). 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.

Fclass ships an update every 2 months, Senbut weekly. Both last shipped on October 27, 2026.

## The numbers

| Metric | Fclass | Senbut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 88 MB | 80 MB |
| Requires iOS | 16.0 | **12.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Quang Luu](https://appshunter.io/developer/1515448915) | [CHINH TIN SERVICE TRADING JOINT STOCK COMPANY](https://appshunter.io/developer/1652445272) |

## What reviewers say

### Fclass

[App page](https://appshunter.io/ios/app/fclass/id1515448916)

**Features:** macOS Compatibility

**In-app purchases:** none


### Senbut

[App page](https://appshunter.io/ios/app/senbut/id6444116524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fclass free?

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

### Is Senbut free?

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

### Do Fclass or Senbut have ads?

Neither Fclass nor Senbut shows ads.

### Which is updated more often, Fclass or Senbut?

Fclass ships an update every 2 months, and Senbut weekly. Most recently, Fclass was updated on October 27, 2026 and Senbut on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*