Main Idea vs Multi.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Main Idea
This app helps children in grades 2-5 improve their reading comprehension by teaching them to identify the main idea of sentences. It uses a fun, game-like environment with step-by-step learning and a reward system to keep kids motivated.
- Step-by-step skill building
- Incremental learning with unlocked levels
- Frustration-free guided learning
- Engaging reward center
- Parental review and reporting
- Over 600 examples
- Timed levels for fluency
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** Featured on Appolicious.com & iHeartThisApp.com ** 'Main Idea -Sentences' helps kids who have trouble with reading comprehension. Identifying the main idea is a key part of reading comprehension. 'Main Idea -Sentences' builds this comprehension skill in a fun, game-like environment. The skill is developed step-by-step until mastery. *** Happy Frog Apps is a Mom's Choice Award winner! *** ***** 5 Stars - Thank you for this app! Other software I’ve used has moved too quickly for my son. This one worked! Can’t wait for the next Main Idea app…it’s coming, right? ***** 5 Stars - This app is one the best education apps I have used with my little one. It really helps to improve his reading abilities. He is obsessed with passing the levels and it never let him disappointed. One of the few apps that worth to upgrade to premium version. 'Main Idea - Sentences' is designed for children in Grades 2-5 who can read the words, but don't understand what they read. Beginning readers in earlier grades can also benefit from the targeted skill development. 'Main Idea - Sentences' develops the skill of knowing what a sentence is about. This skill must be firmly established before a child can determine what a paragraph or page is about. Key Benefits: - Builds comprehension skills step-by-step until mastery. - Incremental learning. New levels are unlocked only when your child is ready. - Frustration-free learning. Your child will always be guided to the correct answer. - Fun and engaging Reward Center to increase motivation. - Easy parental review. Just check out the stars to see how your child is doing. - Contains over 600 examples, with content designed by professional teachers and researchers. - Advanced levels include timers to ensure fluency. Research shows fluency in the foundation skills is critical to reading comprehension. - Can be used independently (just hand it over: your child will know what to do!) or with a therapist/parent for reading intervention. - Provides extensive reporting for up to 10 students to suit the needs of parents, teachers and therapists. 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! This 'School Edition' app has no in-app purchases. To evaluate the app, download the free version, which has 4 free levels. Additional levels and additional players can be accessed with in-app purchase. If you prefer no in-app purchases, download the School Edition of this app. While you're thinking about reading, check out our other apps that target WH questions, inferencing and answer identification skills. Learn more about reading comprehension and research at our website www.HappyFrogApps.com. Drop us a note, we'd love to hear from you! 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 are a member of the Moms With Apps program that promotes privacy in children's apps. We collect NO private information in our apps and our apps do not allow unrestricted web access.
Multi.
Practice multiplication facts with a distraction-free interface. Choose from multiple game modes, including timed challenges and a relaxed pace. Review your performance to identify areas for improvement and enjoy a visually stimulating and engaging learning experience.
- Clutter-less and ad-free interface
- Multiple game modes (Classic, Rush, Relaxed)
- End-of-game review feature
- Customizable appearance with color options
- Auditory and tactile feedback
- Progress tracking
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Master multiplication with Multi. Designed for learners of all ages, Multi. offers a simple and convenient way to practice basic multiplication facts. Say goodbye to distractions - Multi.'s clutter-less and ad-free interface ensures a focused and streamlined learning experience while you play. With multiple game modes to choose from, Multi. lets you tailor your learning experience to suit your preference. Feeling up for a challenge? Test your speed and accuracy with the Classic and Rush timed game modes. Prefer a more leisurely approach? Take your time with Relaxed mode instead and delve deep into answering questions at your own pace. Enhance your overall comprehension with the easy review feature of at the end of each game. Identify which questions were answered correctly and incorrectly, alongside the correct answers displayed easily for your evaluation. Multi. makes it easy to identify proficiencies and areas of improvement. Multi. boasts vibrant and colorful gameplay that makes learning multiplication a visually stimulating experience. Choose your favourite from 5 different colors, or be surprised with a random selection after each game, Multi. lets you customize the game's appearance to your liking. Enjoy both auditory and tactile feedback while you play with Multi.’s engaging music, sound effects, and haptics to help build a deeper connection with the material. Feel the satisfaction of correct answers and the gentle nudge of encouragement as you progress through your journey of practice. Whether you're a student looking to ace your next math test or an adult seeking to brush up on quick recall, Multi. is your ultimate companion in multiplication mastery!
Screenshots
Verdict
The clearest difference is price: Multi. at Free against Main Idea's $6.99. Multi. also leads on review sentiment (100% vs 85%). Main Idea's advantage is iOS requirement (12.2 vs 16.0). On update cadence, ads, 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
Multi. is free to download; Main Idea costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Main Idea ships an update every 3 months, Multi. every 4 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.
| Parameter | Main Idea | Multi. |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 84.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Janine Toole | Aiden Olfert |
Customer experience
Main Idea
Multi.
In-app purchases
Main Idea
No in-app purchases
Multi.
No in-app purchases
Questions
Is Main Idea free?
Is Multi. free?
Do Main Idea or Multi. have ads?
Which is updated more often, Main Idea or Multi.?
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