# Sentence Ninja vs SD36 Facilities

The clearest difference is price: SD36 Facilities at Free against Sentence Ninja's $21.99. SD36 Facilities also leads on update cadence (every 2 months vs every 12 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

SD36 Facilities is free to download; Sentence Ninja costs $21.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sentence Ninja ships an update every 12 months, SD36 Facilities every 2 months. The most recent releases landed on September 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Sentence Ninja | SD36 Facilities |
| --- | --- | --- |
| Price | $21.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/sentence-ninja/id685971804/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 196 MB | 48 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [Surrey School District](https://appshunter.io/developer/634542422) |

## What reviewers say

### Sentence Ninja

[App page](https://appshunter.io/ios/app/sentence-ninja/id685971804)

This app helps users of all ages master sentence structure through a gamified, ninja-themed learning experience. It offers tailored features for families, educators, and speech therapists, with progress tracking and printable resources.

**Highlights:** Ninja-themed progression, 39 levels of difficulty, Printable worksheets, Progress tracking for multiple students, Clinical customization options, Evidence-based linguistic hierarchy

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

**In-app purchases:** none


### SD36 Facilities

[App page](https://appshunter.io/ios/app/sd36-facilities/id1309195479)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sentence Ninja free?

Sentence Ninja costs $21.99, with no in-app purchases.

### Is SD36 Facilities free?

SD36 Facilities is free to download, with no in-app purchases.

### Do Sentence Ninja or SD36 Facilities have ads?

Neither Sentence Ninja nor SD36 Facilities shows ads.

### Which is updated more often, Sentence Ninja or SD36 Facilities?

Sentence Ninja ships an update every 12 months, and SD36 Facilities every 2 months. Most recently, Sentence Ninja was updated on September 25, 2026 and SD36 Facilities on October 5, 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.*