# SwitchTrainer PRO vs Sentence Ninja

The clearest difference is price: Sentence Ninja at $21.99 against SwitchTrainer PRO's $44.99. SwitchTrainer PRO's advantage is iOS requirement (12.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

SwitchTrainer PRO costs $44.99 and Sentence Ninja $21.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SwitchTrainer PRO ships an update every 7 months, Sentence Ninja every 12 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SwitchTrainer PRO | Sentence Ninja |
| --- | --- | --- |
| Price | $44.99 | **$21.99** |
| 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 7 months** | Every 12 months |
| Monetization | — | Paid |
| Size | 62 MB | 196 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [IntegraTools GmbH](https://appshunter.io/developer/618103816) | [Smarty Ears](https://appshunter.io/developer/348779167) |

## What reviewers say

### SwitchTrainer PRO

[App page](https://appshunter.io/ios/app/switchtrainer-pro/id618103813)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SwitchTrainer PRO free?

SwitchTrainer PRO costs $44.99, with no in-app purchases.

### Is Sentence Ninja free?

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

### Do SwitchTrainer PRO or Sentence Ninja have ads?

Neither SwitchTrainer PRO nor Sentence Ninja shows ads.

### Which is updated more often, SwitchTrainer PRO or Sentence Ninja?

SwitchTrainer PRO ships an update every 7 months, and Sentence Ninja every 12 months. Most recently, SwitchTrainer PRO was updated on October 26, 2026 and Sentence Ninja on October 23, 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.*