Comparison

Question Builder for iPad vs Sentence Ninja

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Question Builder for iPad

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
Read full description

Named a top 12 reading comprehension app by ReadingRockets.com! Own as an individual app or as part of our MES Speech Therapy Bundle. Question Builder is designed to help elementary aged children learn to answer abstract questions and create responses based on inference. Extensive use of audio clips promotes improved auditory processing for special needs children with autism spectrum disorders or sensory processing disorders. Audio clip reinforcement can be turned on or off for non-special needs children. Question Builder offers a rich and fun environment for improving the ability to abstract. FEATURES -Optimized for iPad -Simple and intuitive interface to answer questions -Why, What, Where, How and Random question formats -1200 audio clips of questions and answers -3 levels of abstraction -Optional text and audio reinforcement -Statistics to track student progress -60 encouragement animations and audio clips LANGUAGES - English REQUIREMENTS - Compatible with iPad QuestionBuilder is part of "The Builder Series" of award winning education apps. Mobile Education Store has won over 40 app awards and has been named educational developer of the year in 2011 and 2012. Mobile Education Tools is a member of Moms with Apps, a collaborative group of family-friendly developers seeking to promote quality apps for kids and families. Recommended Ages: 3-6, 6-10 Categories: Special Needs

About

Sentence Ninja

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
Read full description

Unlock the power of clear communication with Sentence Ninja! Whether you are a parent supporting your child's first words, an educator managing a diverse classroom, or a Speech-Language Pathologist (SLP) providing clinical therapy, Sentence Ninja is the ultimate tool for mastering sentence structure. Turn learning into an adventure as users progress through a ninja-themed journey, transforming simple phrases into complex, fluent sentences across 39 levels of difficulty. Tailored for Every User For Families & Caregivers Turn Screen Time into Learning Time: Give your child a high-quality educational experience that feels like a game but is backed by clinical science. Fun & Engaging Rewards: Children stay motivated by earning belts in the Belt Dojo and personalized certificates as they master new levels. Easy Home Practice: Use the built-in Homework Portal to print or email fun worksheets that reinforce what your child is learning in the app. For Teachers & School Districts Small Group Ready: Simultaneously support up to 5 students in one session, with each student working at their own unique pace and level. IEP Documentation Made Easy: Detailed data tracking and progress reports simplify documentation and help you monitor growth over time. Classroom Versatility: Perfect for K-5 students, English Language Learners (ELL), and students with diverse learning needs. For Speech-Language Pathologists Evidence-Based Design: Built on a linguistic hierarchy that moves from basic "Subject + Verb" phrases to advanced multi-clause sentences. Clinical Customization: Adjust visual cues, toggle color-coded hints, and modify specific exercises to meet the precise needs of your clients. Comprehensive Integration: Works seamlessly with the Therapy Report Center (TRC) for professional and efficient reporting.

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
Question Builder for iPad versus Sentence Ninja: the parameters behind the verdict, then further details
ParameterQuestion Builder for iPadSentence Ninja
Price$5.99 — better$21.99
Rating3.7 (3 ratings)4.2 (5 ratings) — better
Positive reviews83.9% of reviews85.7% of reviews — better
Number of ratings35 — better
Update frequencyEvery 6 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPad
Requires iOS12.1 — better15.6
Further details — not scored
Size113 MB196 MB
Age rating4+4+
DeveloperMobile Education Store LLCSmarty Ears

Customer experience

Question Builder for iPad

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews31 reviews
Positive83.9%
Neutral6.5%
Negative9.7%

Sentence Ninja

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

In-app purchases

None

Question Builder for iPad

No in-app purchases

None

Sentence Ninja

No in-app purchases

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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