# Bualo vs Graddel

The clearest difference is in-app purchases: Graddel at none against Bualo's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bualo sells 10 in-app purchases, starting at $2.99 per month. Graddel asks for nothing beyond the download.

Bualo ships an update every 2 weeks, Graddel every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Bualo | Graddel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 82 MB | 38 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ouattara Karim](https://appshunter.io/developer/1827654805) | [Patrick N'din](https://appshunter.io/developer/6772273577) |

## What reviewers say

### Bualo

[App page](https://appshunter.io/ios/app/bualo-ai-flashcards-and-study/id6757945859)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bualo PRO - Monthly | $2.99 | per month |
| Bualo AI Premium Annual | $12.99 | per year |
| Bualo PRO - Yearly | $14.99 | per year |
| 20 Credits Pack | $1.99 | one-time |
| Micro | $1.99 | one-time |
| Starter | $3.99 | one-time |
| 55 Credits Pack | $4.99 | one-time |
| 120 Credits Pack | $8.99 | one-time |
| Booster | $8.99 | one-time |
| Elite | $17.99 | one-time |


### Graddel

[App page](https://appshunter.io/ios/app/graddel/id6772273575)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bualo free?

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

### Is Graddel free?

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

### Do Bualo or Graddel have ads?

Neither Bualo nor Graddel shows ads.

### Which is updated more often, Bualo or Graddel?

Bualo ships an update every 2 weeks, and Graddel every 6 days. Most recently, Bualo was updated on October 31, 2026 and Graddel on October 31, 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.*