# PingCode vs Zettelbox

The clearest difference is rating: Zettelbox at 4.3 against PingCode's 1.0. Zettelbox also leads on update cadence (every 2 weeks vs every 6 weeks) and ratings volume (24 vs 1). PingCode's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zettelbox sells 3 in-app purchases, starting at $4.99 per month. PingCode asks for nothing beyond the download.

Zettelbox holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Zettelbox has 24 ratings behind it against 1, so its average is the more settled of the two.

PingCode ships an update every 6 weeks, Zettelbox every 2 weeks. The most recent releases landed on June 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PingCode | Zettelbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pingcode/id1522437356/reviews) | **[4.3 (24 ratings)](https://appshunter.io/ios/app/zettelbox-ai-note-taking/id1605557791/reviews)** |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 30.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 120 MB | 117 MB |
| Requires iOS | **15** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Beijing YC Technology Co.,Ltd.](https://appshunter.io/developer/667336650) | [Hong Kong Source Research Society Supply Chain Limited](https://appshunter.io/developer/1761795867) |

## What reviewers say

### PingCode

[App page](https://appshunter.io/ios/app/pingcode/id1522437356)

This platform streamlines research and development management with features for agile development, knowledge base organization, and task tracking. It aims to automate, digitize, and intelligently manage R&D processes to boost team efficiency.

**Highlights:** Agile development management (Scrum & Kanban), Team knowledge base, Project progress dashboard, Task notification center, Dark mode support, Product update guides

**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 PingCode free?

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

### Is Zettelbox free?

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

### Which has better reviews, PingCode or Zettelbox?

Zettelbox is rated higher. PingCode averages 1.0 out of 5 from 1 ratings, while Zettelbox averages 4.3 from 24 ratings.

### Do PingCode or Zettelbox have ads?

Neither PingCode nor Zettelbox shows ads.

### Which is updated more often, PingCode or Zettelbox?

PingCode ships an update every 6 weeks, and Zettelbox every 2 weeks. Most recently, PingCode was updated on June 19, 2026 and Zettelbox on September 10, 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.*