# Proedus vs BacIstorie

The clearest difference is in-app purchases: Proedus at none against BacIstorie's 2. Proedus also leads on update cadence (monthly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. BacIstorie sells 2 in-app purchases, starting at $2.99 per month. Proedus asks for nothing beyond the download.

Proedus ships an update monthly, BacIstorie every 2 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Proedus | BacIstorie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 47 MB | 10 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Prologue Advertising](https://appshunter.io/developer/580978647) | [ISTACK DEVELOPMENT](https://appshunter.io/developer/1678535499) |

## What reviewers say

### Proedus

[App page](https://appshunter.io/ios/app/proedus/id6752778349)

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

**In-app purchases:** none


### BacIstorie

[App page](https://appshunter.io/ios/app/bacistorie/id6769419571)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonament lunar | $2.99 | per month |
| Acces Pro pe viață | $6.99 | one-time |


## Frequently asked questions

### Is Proedus free?

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

### Is BacIstorie free?

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

### Do Proedus or BacIstorie have ads?

Neither Proedus nor BacIstorie shows ads.

### Which is updated more often, Proedus or BacIstorie?

Proedus ships an update monthly, and BacIstorie every 2 months. Most recently, Proedus was updated on October 18, 2026 and BacIstorie on October 24, 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.*