Comparison

Second Grade Learning Games vs Reading Speed/Fluency Builder.

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

Head to head
About

Second Grade Learning Games

This app offers engaging games and lessons for second graders, covering math, reading, spelling, science, and STEM. It aligns with second-grade curriculums and includes features like progress reports and customizable lesson plans to support learning.

Highlights
  • Math games: numbers, place values, time, multiplication, money
  • Language arts: spelling, grammar, punctuation, reading comprehension
  • Science topics: human body, seasons, oceans, states of matter
  • STEM skills development
  • Detailed progress reports
  • Customizable lesson plans
  • Multiple user support
Features
Read full description

Millions of parents and teachers use RosiMosi games and lessons to educate and entertain young children. The app is perfect for kids from 6 to 9 years old. Whether they are just starting Second Grade, or need to review and master specific subjects, this is a perfect learning tool for kids. Math, language, science, STEM, and critical thinking skills are all practiced in these games. All 24 lessons and activities are designed using real second-grade curriculums with core curriculum state standards. Plus, your student or child will stay entertained with the help of voice narration, colorful images and animations, and lots of fun sounds and music. Second Grade Learning Games cover the following educational topics: MATH • Numbers - Learn the difference between odd and even and teach kids how to compare numbers • Place Values - Practice to find Ones, Tens, Hundreds, and Thousands • Clocks & Time - Learn how to set a clock and tell time • Multiply Drills - A fun and interactive way for your 2nd Grade student to learn how to multiply numbers • Timed Facts - Solve addition and subtraction problems • Money - Count money using nickels, dimes, quarters, and bills • Missing Numbers - Fill in the missing number to complete the equation, a perfect introduction to pre-algebra LANGUAGE, SPELLING & READING • Alphabetical Order - Sort words correctly in a fun game • Spelling - Spell hundreds of words • Verbs, Nouns, and Adjectives - Teach your child the different types of words and how to identify them • Punctuation - Drag punctuation to the correct place in a sentence • Synonyms and Antonyms - Fun game to learn the difference between synonyms and antonyms • Suffixes - Build new words using a suffix and have fun blowing up asteroids • Reading - Read text pieces and answer questions • Alliteration - Identify the words with the same beginning sound to make a pie SCIENCE • Human Body - Learn about the parts and systems that make up the human body • Cardinal Directions - Follow directions to navigate the pirate around the treasure map • States of Matter - Identify types of matter and their phase transitions • Seasons - Understand what causes seasons and how they differ • Oceans - Learn about our oceans, their importance, and how to protect them. • Calendar - Read a calendar and understand days of the week • Density - Use water to determine which items are more dense • Dr. Clock - Help fix the clocks by setting the right time Advanced Features Include: - Detailed Progress Reports to help track your child's development - Lesson Builder to create specific plans for your toddler to follow and play - Multiple User support so up to 6 kids can play on the same app - Avatars, stickers, and backgrounds for your toddler to unlock as they learn === Terms of Use and Privacy Policy: https://www.rosimosi.com/privacy === ALREADY PURCHASED? If you have purchased the games already and they are now showing locked you can tap the Options icon in the upper right corner, and then tap 'Restore Purchase' to unlock the games again for free! PROBLEMS WITH THE GAME? If you are having issues with the game or have questions please email us at help@rosimosi.com and we will get it fixed for you ASAP.

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.

Screenshots

Second Grade Learning Games4 screens
Reading Speed/Fluency Builder.4 screens

Verdict

The call

The clearest difference is price: Second Grade Learning Games at Free against Reading Speed/Fluency Builder.'s $8.99. Second Grade Learning Games also leads on ratings volume (16K vs 3). Reading Speed/Fluency Builder.'s advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 7). On update cadence, ads, device support and iOS requirement 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

Second Grade Learning Games is free to download; Reading Speed/Fluency Builder. costs $8.99 up front. Second Grade Learning Games sells 5 in-app purchases, starting at $5.99 per month. Reading Speed/Fluency Builder. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Reading Speed/Fluency Builder. holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Second Grade Learning Games has 16K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of Second Grade Learning Games's written reviews are positive against 75% of Reading Speed/Fluency Builder.'s.

UpkeepUpdate frequency

Second Grade Learning Games ships an update every 3 months, Reading Speed/Fluency Builder. every 4 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

Scorecard6 real differences · 4 level
Second Grade Learning Games versus Reading Speed/Fluency Builder.: the parameters behind the verdict, then further details
ParameterSecond Grade Learning GamesReading Speed/Fluency Builder.
PriceFree — better$8.99
Rating4.4 (16K ratings)5.0 (3 ratings) — better
Positive reviews59.9% of reviews75.0% of reviews — better
Number of ratings16K — better3
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.2
Further details — not scored
Size134 MB39 MB
Age rating4+4+
DeveloperRosiMosi LLCJanine Toole

Customer experience

Second Grade Learning Games

All ratings15,680 ratings
Positive84.4%
Neutral5.2%
Negative10.4%
Written reviews157 reviews
Positive59.9%
Neutral7.0%
Negative33.1%

Reading Speed/Fluency Builder.

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Bugs and requests

Second Grade Learning Games

Reported bugs

3 issues
  • Subscription issues
  • Inability to access purchased content
  • Crashes and freezes

Requested features

4 requests
  • More free content
  • Ability to access all grade levels with one purchase
  • Improved customer support
  • Explanation for incorrect answers

Reading Speed/Fluency Builder.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Second Grade Learning Games

Subscriptions4
  • RosiMosi Academy (Monthly)2 variants$5.991 Month
  • RosiMosi Academy (Monthly)3 Days trial$5.991 Month
  • RosiMosi Academy (Yearly)2 variants$39.991 Year
Show 1 more
  • RosiMosi Academy (Yearly)3 Days trial$39.991 Year
One-time1
  • Unlock All Games$4.99
None

Reading Speed/Fluency Builder.

No in-app purchases

Questions

Is Second Grade Learning Games free?
Second Grade Learning Games is free to download, with in-app purchases available.
Is Reading Speed/Fluency Builder. free?
Reading Speed/Fluency Builder. costs $8.99, with no in-app purchases.
Which has better reviews, Second Grade Learning Games or Reading Speed/Fluency Builder.?
Reading Speed/Fluency Builder. is rated higher. Second Grade Learning Games averages 4.4 out of 5 from 16K ratings, while Reading Speed/Fluency Builder. averages 5.0 from 3 ratings.
Do Second Grade Learning Games or Reading Speed/Fluency Builder. have ads?
Neither Second Grade Learning Games nor Reading Speed/Fluency Builder. shows ads.
Which is updated more often, Second Grade Learning Games or Reading Speed/Fluency Builder.?
Second Grade Learning Games ships an update every 3 months, and Reading Speed/Fluency Builder. every 4 months. Most recently, Second Grade Learning Games was updated on September 24, 2026 and Reading Speed/Fluency Builder. on September 8, 2026.

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