Comparison

I learn 1x1 vs 4 Plus 4

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

Head to head
About

I learn 1x1

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Learn and train 1x1 You can easily share your reached score in form of a certificate with your parents, teachers and friends. You can freely configure your multiplication tables (Ig. 1-10 x 1-15, 10-25 x 1-25, etc.) -Configure your factors from 1-999 x 1-999 -Daily and total high scores -Create and share a certificate with your reached scores

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
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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.

Screenshots

I learn 1x14 screens
4 Plus 44 screens

Verdict

The call

The clearest difference is in-app purchases: I learn 1x1 at none against 4 Plus 4's 1. I learn 1x1 also leads on iOS requirement (9.3 vs 13.0). 4 Plus 4's advantage is update cadence (monthly vs every 6 months). On price, ads 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. 4 Plus 4 sells 1 one-off in-app purchase. I learn 1x1 asks for nothing beyond the download.

UpkeepUpdate frequency

I learn 1x1 ships an update every 6 months, 4 Plus 4 monthly. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
I learn 1x1 versus 4 Plus 4: the parameters behind the verdict, then further details
ParameterI learn 1x14 Plus 4
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.3 — better13.0
Further details — not scored
Size34 MB38 MB
Age rating4+4+
DeveloperFlavian KaufmannPatrick Koehnen

In-app purchases

None

I learn 1x1

No in-app purchases

1 purchases

4 Plus 4

One-time1
  • All Inclusive$1.99

Questions

Is I learn 1x1 free?
I learn 1x1 is free to download, with no in-app purchases.
Is 4 Plus 4 free?
4 Plus 4 is free to download, with in-app purchases available.
Do I learn 1x1 or 4 Plus 4 have ads?
Neither I learn 1x1 nor 4 Plus 4 shows ads.
Which is updated more often, I learn 1x1 or 4 Plus 4?
I learn 1x1 ships an update every 6 months, and 4 Plus 4 monthly. Most recently, I learn 1x1 was updated on October 12, 2026 and 4 Plus 4 on September 29, 2026.

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