Comparison

Math Riddles,Tricks,Questions vs AIVocab

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

Head to head
About

Math Riddles,Tricks,Questions

This app offers quick math quizzes to boost mental agility and focus. It features timed challenges, customizable operations, and progress tracking for learners of all ages. Improve your speed and memory with daily brain training exercises.

Highlights
  • Daily brain training
  • Timed challenges
  • Customizable math operations
  • Multiple difficulty levels
  • Progress tracking
  • Game-like interface
Features
Read full description

Math Problems – Train Your Brain in Minutes a Day Boost your mental agility, speed, and focus with Mental Problems, the fun, game-like brain trainer for learners of all ages. Solve challenging problems, track your progress, and sharpen your mind—anytime, anywhere. Why Math Problems? Quick Practice: Endless problems for daily brain training. Timed Challenges: Test your speed with 60-second or 30-seconds sprints. Customizable Focus: Practice addition, subtraction, multiplication, division, or a mix. Multiple Difficulty Levels: From very easy to hard—grow at your own pace. Track Your Progress: Scoreboards and best records to measure improvement. How it Works: Choose your game mode and difficulty. Select the math operations you want to focus on. Solve problems as fast as you can! Compete against your best score and improve every day. Perfect for students, professionals, and anyone who wants to keep their brain sharp. Just a few minutes a day can help you think faster, remember more, and have fun while doing it! As a premium member of app, you enjoy unlimited access to all features! By subscribing you get unlimited access to all the app’s functionality for the whole duration of your subscription period. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage your subscription and turn off the auto-renewal anytime through your Account Settings. Privacy Policy: https://mobile-apps.dev/mental-math-privacy-policy/ Terms of Use: https://mobile-apps.dev/mental-math-terms-of-use/

About

AIVocab

Accelerate vocabulary acquisition in 12 languages using AI-powered tools. Capture text from any source, practice with intelligent modes, and track your progress visually. Learn on the go with voice-enabled features and enjoy a privacy-focused, cost-efficient experience.

Highlights
  • AI-powered translation and example sentences
  • OCR text extraction from images and PDFs
  • Spaced repetition review system
  • Voice-enabled learning with adjustable speed
  • Reading hub for articles and progress tracking
  • Visual progress tracking and goal setting
  • Customizable organization with color-coded labels
Features
Read full description

**Master Vocabulary in 12 Languages with AI-Powered Intelligence** AIVocab combines cutting-edge AI technology with proven learning methods to accelerate your vocabulary building. Learn German, Spanish, French, Chinese, Japanese, Korean, Russian, Arabic, Italian, Portuguese, Hindi, or English with a fully localized interface in your native language. ** AI-POWERED ENHANCEMENT** Transform simple words into comprehensive learning resources instantly. Connect your API key to automatically generate accurate translations, natural example sentences, pronunciation guides, grammar details, and cultural usage notes. Cost-effective with intelligent caching—results are saved permanently. ** CAPTURE TEXT ANYWHERE** Learn from real-world materials! Photograph books, menus, signs, or documents and let advanced OCR technology extract text instantly. Import PDFs, select text with a tap, and add vocabulary on the spot. Batch process multiple images efficiently. ** INTELLIGENT PRACTICE MODES** Quiz Mode: Gap-filling exercises using real sentences from your vocabulary. Timed challenges with smart fuzzy matching accept close answers. Get immediate feedback, track problem areas, and review failed questions with detailed corrections. Review Mode: Spaced repetition algorithm schedules reviews based on your mastery level. Context-rich practice ensures words stick. Self-assess your knowledge and let the adaptive system optimize your learning schedule for long-term retention. ** VOICE-POWERED LEARNING** High-quality text-to-speech in all 12 languages. Create continuous reading sessions for hands-free learning. Adjustable speed (0.5x-2.0x), background playback, and perfect pronunciation practice. Listen while commuting, exercising, or relaxing. ** READING HUB** Import articles from photos or PDFs. Multi-article reading sessions with voice synthesis. Select any text to add vocabulary instantly. Track reading progress, view word counts, and estimate reading time. Build vocabulary from materials you actually want to read. ** PROGRESS TRACKING** Visual mastery distribution shows your progress from 0-100% for each word. Set daily goals with smart recommendations. Monitor success rates, learning velocity, and individual word statistics. Celebrate achievements and stay motivated with data-driven insights. ** SMART ORGANIZATION** Create custom color-coded labels for thematic learning. Filter by difficulty, progress level, date added, or custom labels. Advanced search across words, translations, and examples. Sort flexibly and organize your vocabulary your way. ** PRIVACY-FOCUSED & COST-EFFICIENT** All data stored locally on your device. No cloud synchronization. Complete privacy—your learning data never leaves your phone. No subscriptions—one-time purchase only. Minimal AI API costs with intelligent result caching. ** PERFECT FOR** Students (school, university, test prep), professionals (business vocabulary), travelers (trip preparation), language enthusiasts, TOEFL/IELTS/DELE/JLPT preparation, self-learners using authentic materials. ** GET STARTED IN 5 STEPS** 1. Choose your target language 2. Set daily learning goals 3. Add AI API key (optional) 4. Import vocabulary (photos/PDFs/manual) 5. Practice with quizzes & spaced repetition

Screenshots

Math Riddles,Tricks,Questions4 screens
AIVocab4 screens

Verdict

The call

The clearest difference is rating: Math Riddles,Tricks,Questions at 4.4 against AIVocab's 1.0. Math Riddles,Tricks,Questions also leads on ratings volume (24 vs 1) and update cadence (weekly vs fortnightly). AIVocab's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, review sentiment, 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

Both are free to download. Math Riddles,Tricks,Questions sells 3 in-app purchases, starting at $2.99 per month and AIVocab sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Math Riddles,Tricks,Questions holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Math Riddles,Tricks,Questions has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Math Riddles,Tricks,Questions ships an update weekly, AIVocab fortnightly. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Math Riddles,Tricks,Questions versus AIVocab: the parameters behind the verdict, then further details
ParameterMath Riddles,Tricks,QuestionsAIVocab
PriceFreeFree
Rating4.4 (24 ratings) — better1.0 (1 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings24 — better1
Update frequencyWeekly — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better17.0
Further details — not scored
Size33 MB80 MB
Age rating4+4+
DeveloperViacheslav KhakhulinShuanglong Kan

Customer experience

Math Riddles,Tricks,Questions

All ratings23 ratings
Positive87.0%
Neutral0.0%
Negative13.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

AIVocab

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

Math Riddles,Tricks,Questions

Subscriptions2
  • Monthly Pro$2.991 Month
  • Yearly Pro3 Days trial$11.991 Year
One-time1
  • Lifetime Pro$17.99
1 purchases

AIVocab

Subscriptions1
  • Monthly Premium$1.991 Month

Questions

Is Math Riddles,Tricks,Questions free?
Math Riddles,Tricks,Questions is free to download, with in-app purchases available.
Is AIVocab free?
AIVocab is free to download, with in-app purchases available.
Which has better reviews, Math Riddles,Tricks,Questions or AIVocab?
Math Riddles,Tricks,Questions is rated higher. Math Riddles,Tricks,Questions averages 4.4 out of 5 from 24 ratings, while AIVocab averages 1.0 from 1 ratings.
Do Math Riddles,Tricks,Questions or AIVocab have ads?
Math Riddles,Tricks,Questions shows ads; AIVocab does not.
Which is updated more often, Math Riddles,Tricks,Questions or AIVocab?
Math Riddles,Tricks,Questions ships an update weekly, and AIVocab fortnightly. Most recently, Math Riddles,Tricks,Questions was updated on October 24, 2026 and AIVocab on October 24, 2026.

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