# Ninja X vs Rhizo

The clearest difference is price: Ninja X at Free against Rhizo's $0.99. Ninja X also leads on iOS requirement (9.3 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Ninja X is free to download; Rhizo costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ninja X ships an update every 4 months, Rhizo every 7 months. The most recent releases landed on October 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ninja X | Rhizo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rhizo-freeform-mind-map/id6759258516/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | — | Paid |
| Size | 102 MB | 19 MB |
| Requires iOS | **9.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deltecs InfoTech Pvt. Ltd.](https://appshunter.io/developer/501686108) | [现兴 闫](https://appshunter.io/developer/1875449831) |

## What reviewers say

### Ninja X

[App page](https://appshunter.io/ios/app/ninja-x-learning-gamified/id1319845331)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rhizo

[App page](https://appshunter.io/ios/app/rhizo-freeform-mind-map/id6759258516)

This app offers a fluid and tactile mind-mapping experience, allowing users to capture and organize thoughts without forced structure. It prioritizes a minimalist interface and seamless interaction for a stress-free creative process. Ideas can be exported in various formats, ensuring data ownership.

**Highlights:** Kinetic thought nodes with physics simulation, Minimalist gestures for idea creation and connection, Infinite canvas with auto-adaptive nodes, Seamless export to JSON and PNG, Local data storage for absolute privacy, Ad-free and no in-app purchases

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

**In-app purchases:** none


## Frequently asked questions

### Is Ninja X free?

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

### Is Rhizo free?

Rhizo costs $0.99, with no in-app purchases.

### Do Ninja X or Rhizo have ads?

Neither Ninja X nor Rhizo shows ads.

### Which is updated more often, Ninja X or Rhizo?

Ninja X ships an update every 4 months, and Rhizo every 7 months. Most recently, Ninja X was updated on October 7, 2026 and Rhizo on October 31, 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.*