# 佛光教科書 vs Zettelbox

The clearest difference is price: Zettelbox at Free against 佛光教科書's $1.99. Zettelbox also leads on update cadence (every 2 weeks vs every 55 months). 佛光教科書's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Zettelbox is free to download; 佛光教科書 costs $1.99 up front. Zettelbox sells 3 in-app purchases, starting at $4.99 per month. 佛光教科書 asks for nothing beyond the download.

佛光教科書 ships an update every 55 months, Zettelbox every 2 weeks. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 佛光教科書 | Zettelbox |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.3 (24 ratings)](https://appshunter.io/ios/app/zettelbox-ai-note-taking/id1605557791/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 30.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 142 MB | 117 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [佛光文化事業有限公司](https://appshunter.io/developer/951495865) | [Hong Kong Source Research Society Supply Chain Limited](https://appshunter.io/developer/1761795867) |

## What reviewers say

### 佛光教科書

[App page](https://appshunter.io/ios/app/id1101982068)

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

**In-app purchases:** none


### Zettelbox

[App page](https://appshunter.io/ios/app/zettelbox-ai-note-taking/id1605557791)

Capture inspiration and organize your life with this app that integrates notes, to-dos, and scheduling. It helps transform scattered information into a structured knowledge base through smart review and related note linking. Enjoy secure local storage with optional cloud backups.

**Highlights:** Quick note capture with desktop widget, Intuitive tagging and nested categorization, Smart review to rediscover past thoughts, Link related notes for deeper understanding, Local encrypted storage, Cloud backup support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $19.99 | per year |
| PowerPack Permanent | $64.99 | one-time |


## Frequently asked questions

### Is 佛光教科書 free?

佛光教科書 costs $1.99, with no in-app purchases.

### Is Zettelbox free?

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

### Do 佛光教科書 or Zettelbox have ads?

Neither 佛光教科書 nor Zettelbox shows ads.

### Which is updated more often, 佛光教科書 or Zettelbox?

佛光教科書 ships an update every 55 months, and Zettelbox every 2 weeks. Most recently, 佛光教科書 was updated on October 4, 2026 and Zettelbox 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.*