# KnowledgeGraph vs Pizo

The clearest difference is price: Pizo at Free against KnowledgeGraph's $2.99. Pizo also leads on update cadence (weekly vs every 5 months). KnowledgeGraph's advantage is in-app purchases (none vs 7) and device support (5 vs 2). On ads there is nothing between them.

Pizo is free to download; KnowledgeGraph costs $2.99 up front. Pizo sells 2 one-off in-app purchases. KnowledgeGraph asks for nothing beyond the download.

KnowledgeGraph ships an update every 5 months, Pizo weekly. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | KnowledgeGraph | Pizo |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 52 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [辉章 何](https://appshunter.io/developer/1687027088) | [圣臣 刘](https://appshunter.io/developer/1759893504) |

## What reviewers say

### KnowledgeGraph

[App page](https://appshunter.io/ios/app/knowledgegraph/id6503631594)

**In-app purchases:** none


### Pizo

[App page](https://appshunter.io/ios/app/pizo/id6741022082)

Create engaging visual content with dual camera recording, customizable watermarks, and fun emoji mosaics. This app allows you to easily generate various media images and posters, and convert videos to GIFs or Live Photos.

**Highlights:** Dual camera recording, Customizable watermarks, Emoji mosaic effects, Media image and poster creation, Video to GIF conversion, Live Photo creation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Function unlocking | $0.99 | one-time |
| Unlock the function of this module | $0.99 | one-time |


## Frequently asked questions

### Is KnowledgeGraph free?

KnowledgeGraph costs $2.99, with no in-app purchases.

### Is Pizo free?

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

### Do KnowledgeGraph or Pizo have ads?

Neither KnowledgeGraph nor Pizo shows ads.

### Which is updated more often, KnowledgeGraph or Pizo?

KnowledgeGraph ships an update every 5 months, and Pizo weekly. Most recently, KnowledgeGraph was updated on September 27, 2026 and Pizo on September 26, 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.*