Comparison

4 Plus 4 vs Aethron Study

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

Head to head
About

4 Plus 4

This app offers a clear, step-by-step approach to learning mathematics. It features structured modules for number basics, arithmetic, and fractions, with playful sections to apply learned concepts. Designed to make math understandable and enjoyable, it's ideal for beginners and for refreshing knowledge.

Highlights
  • Clear learning modules
  • Step-by-step guidance
  • Structured practice
  • Playful application sections
  • Progress tracking
  • Ad-free experience
Features
Read full description

Math often feels complicated. Not because it’s hard, but because it’s explained the wrong way. 4 Plus 4 is different. No overloaded explanations, no distractions, and no shortcuts. Just clear tasks that guide you forward step by step. The app is ad-free and does not collect personal data. It is built around clear learning modules such as Number Basics, Advanced Numbers, Basic Arithmetic and Fractions Basics, where key mathematical concepts are practiced in a structured and easy-to-follow way. In additional sections, you can apply what you have learned in a playful and entertaining way. 4 Plus 4 combines clear learning with motivation, progress, and fun — ideal for getting started, refreshing knowledge, or practicing in between. We continuously expand the app with new content to make learning mathematics as simple, understandable, and enjoyable as possible.

About

Aethron Study

This app helps students manage their schoolwork by connecting to their Canvas LMS. It organizes assignments, provides AI-powered summaries, and offers tools for note-taking, flashcards, study plans, and essay grading.

Highlights
  • Canvas LMS integration
  • Assignment and due date tracking
  • AI-powered coursework analysis
  • Note-taking and organization
  • Smart flashcards and quizzes
  • Personalized study plans
  • Focus timer
  • Essay grading against rubrics
Features
Read full description

Aethron Study Stay on top of your schoolwork with Aethron Study -- the all-in-one study companion that connects directly to your Canvas LMS account. See all your assignments, due dates, and courses in one place. No more switching between tabs or forgetting what's due. Aethron Study pulls everything from Canvas and organizes it into a clean, easy-to-use dashboard. What you can do: View all your assignments and due dates at a glance Get AI-powered summaries and analysis of your coursework Take and organize notes by class, unit, and semester Create smart flashcards and practice quizzes from your notes Build personalized study plans for upcoming tests Time your study sessions with a built-in focus timer Translate text and documents in 30+ languages Analyze YouTube videos for study notes Grade your essays against rubrics before you submit Import your class schedule from a photo Upgrade to Student+ to unlock premium features like AI-generated flashcards, practice quizzes, essay grading, math tutoring, study planning, and more. Aethron Study is built for students who want to work smarter, not harder. Terms of Use: https://aethronstudy.com/terms Privacy Policy: https://aethronstudy.com/privacy Student+ subscription options: - Monthly: $4.99/month - Annual: $39.99/year Subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple ID > Subscriptions.

Screenshots

4 Plus 44 screens
Aethron Study4 screens

Verdict

The call

The clearest difference is rating: 4 Plus 4 at 5.0 against Aethron Study's 4.3. 4 Plus 4 also leads on monetization model (free vs freemium) and iOS requirement (13.0 vs 15.0). Aethron Study's advantage is ratings volume (3 vs 1). On price, review sentiment, ads and in-app purchases 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. 4 Plus 4 sells 1 one-off in-app purchase and Aethron Study sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

4 Plus 4 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scorecard4 real differences · 6 level
4 Plus 4 versus Aethron Study: the parameters behind the verdict, then further details
Parameter4 Plus 4Aethron Study
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings13 — better
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size38 MB9 MB
Age rating4+4+
DeveloperPatrick KoehnenAethron Dynamics LLC

Customer experience

4 Plus 4

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Aethron Study

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

4 Plus 4

One-time1
  • All Inclusive$1.99
2 purchases

Aethron Study

Subscriptions2
  • Student+ Monthly$4.991 Month
  • Student+ Annually$49.991 Year

Questions

Is 4 Plus 4 free?
4 Plus 4 is free to download, with in-app purchases available.
Is Aethron Study free?
Aethron Study is free to download, with in-app purchases available.
Which has better reviews, 4 Plus 4 or Aethron Study?
4 Plus 4 is rated higher. 4 Plus 4 averages 5.0 out of 5 from 1 ratings, while Aethron Study averages 4.3 from 3 ratings.
Do 4 Plus 4 or Aethron Study have ads?
Neither 4 Plus 4 nor Aethron Study shows ads.

Other comparisons