# Passnote vs DATARAKU

The clearest difference is in-app purchases: DATARAKU at none against Passnote's 2. Passnote's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Passnote sells 2 in-app purchases, starting at $5.99 per month. DATARAKU asks for nothing beyond the download.

Passnote ships an update every 3 days, DATARAKU every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Passnote | DATARAKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 56 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHIFENG ZHANG](https://appshunter.io/developer/1886637404) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Passnote

[App page](https://appshunter.io/ios/app/passnote-japan-it-exam-prep/id6764005710)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額プラン | $5.99 | per month |
| Pro 年額プラン | $59.99 | per year |


### DATARAKU

[App page](https://appshunter.io/ios/app/dataraku-data-structures/id6775173817)

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

**In-app purchases:** none


## Frequently asked questions

### Is Passnote free?

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

### Is DATARAKU free?

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

### Do Passnote or DATARAKU have ads?

DATARAKU shows ads; Passnote does not.

### Which is updated more often, Passnote or DATARAKU?

Passnote ships an update every 3 days, and DATARAKU every 2 months. Most recently, Passnote was updated on October 28, 2026 and DATARAKU on October 24, 2026.

---

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