Comparison

Reading Speed/Fluency Builder. vs FlashMaster Pro

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

Head to head
About

Reading Speed/Fluency Builder.

This app helps children and adults improve reading speed and fluency through a game-like environment. It offers graduated practice, audio support, and a reward system to motivate learners. Designed for various needs, it progresses users from early elementary to fifth-grade reading levels.

Highlights
  • Graduated reading practice
  • Mastery-based progression
  • Audio support for fluent reading
  • 'At a glance' progress reporting
  • Fun Reward Center
  • Supports multiple reading levels
Features
Read full description

** Happy Frog Apps is a Mom’s Choice Award Winner! Also featured on FunEducationalApps.com, TeachersWithApps.com, and more! ** Reading Fluency Builder quickly develops your child's reading speed to meet grade level expectations. Reading fluency is a key prerequisite if your child is struggling with reading comprehension. Reading Fluency Builder provides a fun game-like environment that motivates even hesitant learners. What parents say about our awesome apps: *** 5 stars! Brilliant! An app that understands how kids actually learn. Thank you!
 *** 5 stars! My kids love this app because of the fun, silly sentences. I love it because it works!  
 Reading Fluency Builder provides: - Graduated practice starting with simple texts and slower speeds. - Students progress only when they demonstrate mastery. - Students can practice with multiple texts per level. - 'At a glance' reporting shows you instantly how your learner is progressing. - Audio support is provided so learners can hear a fluent model. - Fun Reward Center increases student motivation. - Incremental levels take a student from mid Grade 1 reading speed up to mid Grade 5 reading speed. Our app is based on proven research on the effectiveness of modeled and repeated reading to increase fluency -- but we make it fun! Our apps are designed for and tested by typical and special needs children. Testers include children with Autism and other special needs. Our apps work for them! Our apps are also suitable for adults dealing with aphasia or learning English as a Second Language. 
To evaluate the app, download the free version, which has four free levels. Additional levels and additional players can be accessed with in-app purchases. (All levels can be purchased for $2.99 -- price may change.) 

If you prefer no in-app purchases, download the School Edition of this app, which includes all levels and up to 10 players. We take customer service very seriously! If you ever have a problem or find that we've missed something, contact us at our website and we will do our best to fix the problem.  We collect NO private information in our app. None! Our apps do not allow unrestricted web or social media access. We conform to the Children's Online Privacy Protection Act.

About

FlashMaster Pro

Read full description

FlashMaster Pro is a focused flashcard study app for building organized learning libraries, reviewing at the right time, and turning AI-generated content into practical study decks. Create flashcards manually, import structured JSON files, or use the built-in AI Generator to prepare professional prompts for your preferred AI assistant. FlashMaster Pro provides the required JSON format, validates generated content before import, and lets you add new decks directly from pasted JSON or a downloaded file. STUDY WITH PURPOSE • Use spaced repetition to review cards when they matter most • Choose Focus mode for concentrated sessions • Use Blitz mode for fast review rounds • Rate each card as Again, Hard, Good, or Easy • Review missed cards after a session • Track mastered cards, due cards, streaks, and progress USE AI TO BUILD STUDY DECKS • Answer a few questions to generate a detailed prompt • Choose templates for exams, interviews, languages, coding, science, business, and more • Send the prompt to ChatGPT, Gemini, Claude, Grok, or another AI assistant • Paste the returned JSON directly into FlashMaster Pro • Validate categories, decks, and cards before importing • Import JSON directly or use a downloaded JSON file ORGANIZE YOUR LIBRARY • Group flashcards into categories and decks • Search categories, decks, cards, answers, and tags • Filter cards by due, mastered, review-later, and pinned status • Sort decks by recent activity, progress, streak, or name • Use tags to create focused practice sessions • Switch between compact and comfortable layouts SMART DASHBOARD • See due cards, weak cards, pinned cards, and review-later cards • Continue your recent deck quickly • Start a mixed review or a quick 10-card session • Find your next study action without navigating through multiple screens BACKUP AND SHARE • Export your library as JSON • Import validated backups safely • Create shareable deck packs • Restore automatic backups from backup history • Merge imported content while keeping your existing library DESIGNED FOR READABILITY • Clean, modern interface • Light, dark, and system appearance modes • High-contrast card colors • Adjustable text size and weight • Responsive layouts for iPhone and iPad FlashMaster Pro is built for students, professionals, language learners, developers, and anyone who wants a practical way to remember more.

Screenshots

Reading Speed/Fluency Builder.4 screens
FlashMaster Pro4 screens

Verdict

The call

The clearest difference is price: FlashMaster Pro at Free against Reading Speed/Fluency Builder.'s $8.99. Reading Speed/Fluency Builder.'s advantage is ads (none vs shown) and iOS requirement (12.2 vs 15.0). On update cadence, in-app purchases and device support 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

FlashMaster Pro is free to download; Reading Speed/Fluency Builder. costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Reading Speed/Fluency Builder. ships an update every 4 months, FlashMaster Pro every 6 months. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
Reading Speed/Fluency Builder. versus FlashMaster Pro: the parameters behind the verdict, then further details
ParameterReading Speed/Fluency Builder.FlashMaster Pro
Price$8.99Free — better
Rating5.0 (3 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 months — betterEvery 6 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.2 — better15.0
Further details — not scored
Size39 MB38 MB
Age rating4+17+
DeveloperJanine TooleRambod ghashghaiabdi

In-app purchases

None

Reading Speed/Fluency Builder.

No in-app purchases

None

FlashMaster Pro

No in-app purchases

Questions

Is Reading Speed/Fluency Builder. free?
Reading Speed/Fluency Builder. costs $8.99, with no in-app purchases.
Is FlashMaster Pro free?
FlashMaster Pro is free to download, with no in-app purchases.
Do Reading Speed/Fluency Builder. or FlashMaster Pro have ads?
FlashMaster Pro shows ads; Reading Speed/Fluency Builder. does not.
Which is updated more often, Reading Speed/Fluency Builder. or FlashMaster Pro?
Reading Speed/Fluency Builder. ships an update every 4 months, and FlashMaster Pro every 6 months. Most recently, Reading Speed/Fluency Builder. was updated on September 8, 2026 and FlashMaster Pro on September 14, 2026.

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