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.
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
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.
- Clear learning modules
- Step-by-step guidance
- Structured practice
- Playful application sections
- Progress tracking
- Ad-free experience
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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
Verdict
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
Both are free to download. 4 Plus 4 sells 1 one-off in-app purchase. I learn 1x1 asks for nothing beyond the download.
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.
| Parameter | I learn 1x1 | 4 Plus 4 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Flavian Kaufmann | Patrick Koehnen |
In-app purchases
I learn 1x1
No in-app purchases
4 Plus 4
- All Inclusive$1.99
Questions
Is I learn 1x1 free?
Is 4 Plus 4 free?
Do I learn 1x1 or 4 Plus 4 have ads?
Which is updated more often, I learn 1x1 or 4 Plus 4?
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