--- title: "Arithmetic 123 - Reviews, Revenue and Downloads in Belgium | Apple App Store" description: "Arithmetic helps primary-school children learn math step by step. The app first explains the concept, then shows an example, and then lets the child practice on their own — just like in class. FIRST " --- # Arithmetic 123 — Belgium > Practice primary school math ![Arithmetic 123 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/11/15/3f/11153fb5-60bd-734e-2194-779022872e03/AppIcon-0-1x_U007epad-0-1-85-220-0.png/434x0w.png) **Developer:** [BBO Consulting](https://apptail.io/developer/bbo-consulting-lggKfc) **Category:** Education **Rating:** 5.0/5 (2 ratings) **Price:** €3.99 **Bundle ID:** rekenen123 **Store:** Apple App Store **Country:** Belgium **Version:** 1.7 (released 2026-07-11) **Original Release:** 2026-05-21 **Languages:** German, Bulgarian, Danish, English, Estonian, Finnish, French, Greek (modern), Gaelic, Irish, Italian, Croatian, Latvian, Lithuanian, Maltese, Dutch, Polish, Portuguese, Romanian, Swedish, Slovak, Slovenian, Spanish, Czech, Hungarian, Welsh **App Store Link:** [Download on Apple App Store](https://apps.apple.com/be/app/app/id6761292295) **AppTail Page:** [https://apptail.io/app/arithmetic-123-VfEz/belgium](https://apptail.io/app/arithmetic-123-VfEz/belgium) ## Arithmetic 123 Description Arithmetic helps primary-school children learn math step by step. The app first explains the concept, then shows an example, and then lets the child practice on their own — just like in class. FIRST UNDERSTAND, THEN PRACTICE Every module follows four phases: • Explanation — the concept is explained step by step with interactive screens • Example — a worked example to go through together • Practice — exercises with hints to help you on your way • Independent — exercises without hints, to show what you can do 31 MODULES, 4 SECTIONS Section 1 — Number sense Numbers up to 100,000, fractions, decimals, ratios, tables and charts, multiples and number patterns Section 2 — Measurement Time, money, temperature, scale, length, volume and weight Section 3 — Geometry Points and lines, angles, polygons, triangles, circles, symmetry, area and perimeter Section 4 — Operations Addition, subtraction, multiplication, division, fraction arithmetic, calculation strategies, percentages, order of operations DESIGNED FOR CHILDREN • Short, clear explanations — never a wall of text • One question per screen — no distractions • Visual learning with interactive number lines, fraction circles, clocks and more • Instant feedback on every answer • No time pressure — the child sets the pace MOTIVATION & REWARDS • Earn stars for every completed phase • Spend stars in the Star Shop on fun profile decorations • Collect stickers in your sticker album • Track your progress and streak on the insights page MULTIPLE PROFILES Several children can share the app on the same device. Each child has their own profile with their own progress. PRIVACY & SAFETY • No ads — ever • No in-app purchases • No internet needed — works fully offline • No personal data collected • All progress stays on the device FOR TEACHERS AND SCHOOLS Arithmetic is available through Apple School Manager for schools that want to buy multiple licenses, at a reduced volume price. Arithmetic covers the core math of primary school (around ages 9–11) and is perfect for practicing at home, for tutoring, or as an extra challenge. ## Arithmetic 123 Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/68/19/87/681987ca-4fc4-aceb-6386-5a0227ef517c/00_ProfilePicker_iPhone.png/1320x2868.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/59/c9/2b/59c92b47-ae10-b637-565a-4d5c2a47cf9c/01_HomeScreen_iPhone.png/1320x2868.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8f/18/a0/8f18a0e5-9e6f-6d05-18f2-733b61945f27/02_Clock_iPhone.png/1320x2868.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/80/c6/e4/80c6e412-7c79-c82b-50fb-8a70e0eec6a8/03_Geometry_iPhone.png/1320x2868.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a3/50/47/a350479d-b718-761f-1a07-a5996f272440/04_Categorize_iPhone.png/1320x2868.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f0/80/8b/f0808b99-4d90-3ad8-4657-d5acdd8218ce/05_Symmetry_iPhone.png/1320x2868.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/52/11/bd/5211bd11-7ce7-22e0-ff61-5d064add7d83/06_Shop_iPhone.png/1320x2868.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/70/f0/c4/70f0c49a-d59c-e59e-4bdf-6270daec47ce/07_Checklist_iPhone.png/1320x2868.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/bb/45/59/bb4559df-4a6a-db74-9d32-1d803fc666cb/08_AvatarPicker_iPhone.png/1320x2868.png) ## Arithmetic 123 Rating Breakdown in Belgium - 5 stars: 2 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## Arithmetic 123 Discovered Keywords - rekenen 123 ## Arithmetic 123 Available In - [Belgium](https://apptail.io/app/arithmetic-123-VfEz/belgium) - [Switzerland](https://apptail.io/app/arithmetic-123-VfEz/switzerland) - [Poland](https://apptail.io/app/arithmetic-123-VfEz/poland) - [Sweden](https://apptail.io/app/arithmetic-123-VfEz/sweden) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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