# All bac vs Prof Billal

The clearest difference is update cadence: Prof Billal at every 2 weeks against All bac's every 4 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.

All bac ships an update every 4 months, Prof Billal every 2 weeks. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | All bac | Prof Billal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/all-bac/id1619625654/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 14 MB | 94 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SARL RED BEARD SOFT](https://appshunter.io/developer/1479549933) | [BILLAL YAHIAOUI](https://appshunter.io/developer/1705609179) |

## What reviewers say

### All bac

[App page](https://appshunter.io/ios/app/all-bac/id1619625654)

This app helps secondary school students prepare for their baccalaureate exams. It offers quizzes, Q&A, and corrected exercises across various subjects, tracking progress and providing solutions from 2008 to 2022.

**Highlights:** Exam preparation for baccalaureate, Quizzes and Q&A format, Corrected exercises, Learning progress tracking, Over 4000 exercises by theme, Past exam solutions (2008-2022)

**In-app purchases:** none


### Prof Billal

[App page](https://appshunter.io/ios/app/prof-billal/id6464161731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is All bac free?

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

### Is Prof Billal free?

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

### Do All bac or Prof Billal have ads?

Neither All bac nor Prof Billal shows ads.

### Which is updated more often, All bac or Prof Billal?

All bac ships an update every 4 months, and Prof Billal every 2 weeks. Most recently, All bac was updated on October 21, 2026 and Prof Billal on October 6, 2026.

---

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