WidgetCards vs MathFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WidgetCards
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Learn Smarter, Right from Your Home Screen Master vocabulary and other knowledge with beautifully simple flashcards-right from your Home Screen. With this app, you can create your own flashcards and organize them into stacks for every topic or language you’re learning. Whether you're tackling a new language, preparing for a test, or just love learning new things, this app helps you stay consistent and focused. Smart Practice Made Simple: Cards appear based on how well you know them—so you see the ones you struggle with more often, and the ones you've mastered less frequently. It's spaced repetition, but without the jargon. Home Screen Widgets That Work: Practice doesn’t stop when you close the app. Add widgets to your Home Screen and review flashcards with a simple flip—anytime, anywhere. It’s the fastest way to make learning part of your daily routine. - Create unlimited flashcards and stacks - Organize by language, topic, or difficulty - Practice cards to test your memory and track progress - Perfect for Language Learners Build vocabulary and phrases in any language. Your words, your way. Whether you're learning Spanish, French, Japanese, or anything else-this app fits your style. Learning should be easy and part of everyday life. Start now-one card at a time. Terms of Service: https://www.widgetcards.com/tos Privacy Policy: https://www.widgetcards.com/privacypolicy/
MathFlow
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Tired of careless calculation mistakes? Struggling with times tables? Slow mental math holding you back? MathFlow uses a scientifically structured progression system and intelligent error analysis to build rock-solid arithmetic fluency, one practice session at a time. CORE FEATURES Six-Level Progressive Difficulty From single-digit addition to multi-digit multiplication and division, six carefully designed levels adapt to your skill. Smart difficulty recommendation ensures practice is always challenging but never frustrating. Intelligent Error Analysis MathFlow does not just mark answers wrong. It diagnoses exactly why: missed carrying, forgotten borrowing, times table confusion, operator mix-ups, or calculation slips. Each error comes with a step-by-step breakdown so you truly understand what went wrong. Daily Challenge Mode Timed quizzes build focus and speed. Earn stars for streaks. Build a daily practice habit that sticks. Mistake Book with Redo Every wrong answer is automatically collected, categorized by error type, and available for targeted redo. Mark items as mastered. Review smarter, not harder. Parent Dashboard Multi-dimensional learning analytics: accuracy trends, per-operation mastery, daily practice duration, and weakness identification. See progress at a glance. Multiple Learner Profiles Create independent profiles for each family member. Practice records, mistake books, and statistics are completely separate. USE CASES 10-minute daily arithmetic warm-up after school Targeted review of weak operation types before tests Parents tracking progress and identifying areas needing support Quick mental math drills during spare moments WHY MATHFLOW Deep error diagnosis: not just right or wrong, but WHY, with step-by-step explanations Scientific progression: 6 levels from beginner to advanced, adapting to any skill level Completely distraction-free: zero sign-up Fully offline: every feature works without internet, anywhere, anytime Privacy-first: all data stays on device, nothing uploaded, no personal info required 24 languages: switch instantly between English, Chinese, Japanese, Korean, French, German, Spanish, and more PRIVACY AND SAFETY No personal data collected No registration, no internet required, no permissions needed Compliant with COPPA and GDPR privacy standards Download MathFlow today. Ten minutes a day is all it takes to make mental math second nature.
Screenshots
Verdict
The clearest difference is in-app purchases: MathFlow at none against WidgetCards's 2. On price, 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
Both are free to download. WidgetCards sells 2 in-app purchases, starting at $0.49 per month. MathFlow asks for nothing beyond the download.
| Parameter | WidgetCards | MathFlow |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Marton | 东申 王 |
In-app purchases
WidgetCards
- WidgetCards Pro7 Days trial$0.491 Month
- WidgetCards Pro Yearly7 Days trial$3.991 Year
MathFlow
No in-app purchases









