# CephNinja S vs OrthoKit

The clearest difference is monetization model: CephNinja S at free against OrthoKit's free with in-app purchases. CephNinja S also leads on iOS requirement (9.0 vs 26.1). OrthoKit's advantage is review sentiment (98% vs 78%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CephNinja S sells 4 in-app purchases, starting at $29.99 per month and OrthoKit sells 4 in-app purchases, starting at $49.00 per month. Whichever you choose, the download price is not the number that matters.

CephNinja S ships an update every 3 weeks, OrthoKit every 11 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CephNinja S | OrthoKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (18 ratings)](https://appshunter.io/ios/app/cephninja-s/id950188086/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 78.3% of reviews | **98.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 54 MB |
| Requires iOS | **9.0** | 26.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 17+ | 4+ |
| Developer | [Cyncronus LLC](https://appshunter.io/developer/845174767) | [Evolved Orthodontics](https://appshunter.io/developer/1794375748) |

## What reviewers say

### CephNinja S

[App page](https://appshunter.io/ios/app/cephninja-s/id950188086)

This medical app transforms your device into a cephalometric analysis and records management tool. It simplifies the process of analyzing radiographs, allowing for accurate measurements and patient data organization. Ideal for dental professionals and students seeking a portable and efficient solution.

**Highlights:** Cephalometric analyses (customizable and standard), Photographic facial analysis, Patient management and notes, Data export to PDF, Intuitive user interface, Portable and affordable tool

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CephNinja Monthly (obsolete) | $29.99 | per month |
| CephNinja Monthly | $29.99 | per month |
| CephNinja Yearly (obsolete) | $299.99 | per year |
| CephNinja Yearly | $299.99 | per year |


### OrthoKit

[App page](https://appshunter.io/ios/app/orthokit-orthodontic-app/id1508553735)

This app helps orthodontists organize patient records, perform AI-assisted cephalometric tracings, and view DICOM studies. It generates customizable reports and allows for photo management and treatment tracking. Available on Apple devices.

**Highlights:** AI-assisted cephalometric tracing, DICOM viewer and 3D reconstructions, Customizable PDF and Keynote reports, Photo organization and tracking, Patient and treatment classification, iCloud syncing for cross-device access

**Features:** iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $49.00 | per month |
| 6-month subscription | $259.00 | per 6 months |
| Annual subscription | $429.00 | per year |
| Donation | $89.99 | one-time |


## Frequently asked questions

### Is CephNinja S free?

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

### Is OrthoKit free?

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

### Do CephNinja S or OrthoKit have ads?

Neither CephNinja S nor OrthoKit shows ads.

### Which is updated more often, CephNinja S or OrthoKit?

CephNinja S ships an update every 3 weeks, and OrthoKit every 11 days. Most recently, CephNinja S was updated on November 6, 2026 and OrthoKit on November 3, 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.*