# Organ Donation Knowledge vs Baikru Prep

The clearest difference is in-app purchases: Organ Donation Knowledge at none against Baikru Prep's 9. Organ Donation Knowledge also leads on iOS requirement (11.0 vs 13.0). Baikru Prep's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Baikru Prep sells 9 one-off in-app purchases. Organ Donation Knowledge asks for nothing beyond the download.

Organ Donation Knowledge ships an update every 3 months, Baikru Prep weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Organ Donation Knowledge | Baikru Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 25 MB | 152 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Thai Red Cross Society](https://appshunter.io/developer/1481812826) | [Nuttawat Chakitniran](https://appshunter.io/developer/1876737472) |

## What reviewers say

### Organ Donation Knowledge

[App page](https://appshunter.io/ios/app/organ-donation-knowledge/id1552565291)

**Features:** macOS Compatibility

**In-app purchases:** none


### Baikru Prep

[App page](https://appshunter.io/ios/app/baikru-prep/id6759080716)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Baikru Starter (4 เดือน) | $7.99 | one-time |
| ระบบติวใบประกอบวิชาชีพตลอดชีพ | $9.99 | one-time |
| Baikru Standard (1 ปี) | $9.99 | one-time |
| ระบบติวสอบครูผู้ช่วย 4 เดือน | $11.99 | one-time |
| ระบบติวสอบครูผู้ช่วยตลอดชีพ | $12.99 | one-time |
| ระบบติวสอบครูผู้ช่วย 1 ปี | $17.99 | one-time |
| Baikru Lifetime Pro | $19.99 | one-time |
| ระบบติวสอบครูผู้ช่วยตลอดชีพ | $29.99 | one-time |
| ติวสอบ 2 จักรวาลตลอดชีพ | $34.99 | one-time |


## Frequently asked questions

### Is Organ Donation Knowledge free?

Organ Donation Knowledge is free to download, with no in-app purchases.

### Is Baikru Prep free?

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

### Do Organ Donation Knowledge or Baikru Prep have ads?

Neither Organ Donation Knowledge nor Baikru Prep shows ads.

### Which is updated more often, Organ Donation Knowledge or Baikru Prep?

Organ Donation Knowledge ships an update every 3 months, and Baikru Prep weekly. Most recently, Organ Donation Knowledge was updated on October 25, 2026 and Baikru Prep 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.*