# Question Builder for iPad vs Sentence Ninja

The clearest difference is price: Question Builder for iPad at $5.99 against Sentence Ninja's $21.99. Question Builder for iPad also leads on iOS requirement (12.1 vs 15.6). Sentence Ninja's advantage is rating (4.2 vs 3.7). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Question Builder for iPad costs $5.99 and Sentence Ninja $21.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sentence Ninja holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 84% of Question Builder for iPad's written reviews are positive against 86% of Sentence Ninja's.

Question Builder for iPad ships an update every 6 months, Sentence Ninja every 12 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Question Builder for iPad | Sentence Ninja |
| --- | --- | --- |
| Price | **$5.99** | $21.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/question-builder-for-ipad/id364823150/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/sentence-ninja/id685971804/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 83.9% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Paid | Paid |
| Size | 113 MB | 196 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Education Store LLC](https://appshunter.io/developer/344378744) | [Smarty Ears](https://appshunter.io/developer/348779167) |

## What reviewers say

### Question Builder for iPad

[App page](https://appshunter.io/ios/app/question-builder-for-ipad/id364823150)

This app helps elementary-aged children develop abstract question answering and inference skills. It utilizes audio clips to enhance auditory processing, making it beneficial for children with special needs, but also offers adjustable reinforcement for all users. The engaging environment is designed to improve abstract thinking.

**Highlights:** Abstract question answering, Inference skill development, Auditory processing enhancement, Multiple question formats, Adjustable text and audio reinforcement, Progress tracking statistics, Encouragement animations

**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 Question Builder for iPad free?

Question Builder for iPad costs $5.99, with no in-app purchases.

### Is Sentence Ninja free?

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

### Which has better reviews, Question Builder for iPad or Sentence Ninja?

Sentence Ninja is rated higher. Question Builder for iPad averages 3.7 out of 5 from 3 ratings, while Sentence Ninja averages 4.2 from 5 ratings.

### Do Question Builder for iPad or Sentence Ninja have ads?

Neither Question Builder for iPad nor Sentence Ninja shows ads.

### Which is updated more often, Question Builder for iPad or Sentence Ninja?

Question Builder for iPad ships an update every 6 months, and Sentence Ninja every 12 months. Most recently, Question Builder for iPad was updated on October 23, 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.*