# BufiB vs RecallRun

The clearest difference is in-app purchases: BufiB at none against RecallRun's 14. BufiB also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. RecallRun sells 14 in-app purchases, starting at $4.99 per month. BufiB asks for nothing beyond the download.

BufiB ships an update every 2 days, RecallRun daily. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BufiB | RecallRun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | **Daily** |
| Size | 421 MB | 306 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Bund fuer islamische Bildung e.V.](https://appshunter.io/developer/1755909935) | [ERAYCAN ERBEN](https://appshunter.io/developer/6814101173) |

## What reviewers say

### BufiB

[App page](https://appshunter.io/ios/app/bufib/id6759682054)

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

**In-app purchases:** none


### RecallRun

[App page](https://appshunter.io/ios/app/recallrun-flashcard-runner/id6817756880)

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Medicine · 1 month | $4.99 | per month |
| Medicine · Semester (6 mo.) | $22.99 | per 6 months |
| Medicine · 1 year | $34.99 | per year |
| Antibacterial drugs | $2.99 | one-time |
| Antivirals & antifungals | $2.99 | one-time |
| Psychotropic drugs | $2.99 | one-time |
| Analgesics & autacoids | $2.99 | one-time |
| Cardiovascular drugs | $2.99 | one-time |
| Hypnotics & antiepileptics | $2.99 | one-time |
| Hormones & vitamins | $2.99 | one-time |
| Blood, lungs & digestion | $2.99 | one-time |
| Anticancer drugs | $2.99 | one-time |
| Emergency case pack | $12.99 | one-time |
| General Pharmacology | $12.99 | one-time |


## Frequently asked questions

### Is BufiB free?

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

### Is RecallRun free?

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

### Do BufiB or RecallRun have ads?

RecallRun shows ads; BufiB does not.

### Which is updated more often, BufiB or RecallRun?

BufiB ships an update every 2 days, and RecallRun daily. Most recently, BufiB was updated on October 13, 2026 and RecallRun 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.*