Build vs Sumzy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Build
This app offers short, focused math drills for addition, subtraction, multiplication, and division. It provides instant feedback and tracks progress through engaging sessions designed for quick practice.
- Short, focused math practice sessions
- Master addition, subtraction, multiplication, division
- Instant feedback with haptics, color, and sound
- Smart question rotation for confidence
- Progress tracking and summaries
- Works offline, no ads, no accounts
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Turn 1–5 minutes into real math practice. Build‑A‑Math is a focused drill app for mastering addition, subtraction, multiplication, and division. Tap answers on the large on‑screen keypad, get instant feedback, and watch your progress bar fill as you work. # Why it works - Short, focused sessions (1–5 minutes) keep practice consistent and stress‑free. - Instant feedback with gentle haptics, color, and sound—celebrate correct answers and learn from mistakes. - Smart rotation of questions: a small set of problems stays in play; fast, correct solves are retired so you can move forward confidently. - Results you can feel: a cheerful summary shows Questions tried and Mastered today after each session. # Designed for real life - Pick the operations you want: +, −, ×, ÷. - Auto‑check answers as you type (single‑digit checks instantly; two‑digit checks on the second digit). - Works great in portrait or landscape on iPhone and iPad. - No ads. No accounts. Works offline. Perfect for classroom warm‑ups, brain breaks, and at‑home practice—anytime you have a minute (or five).
Sumzy
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Make math fun for kids aged 6–10. Sumzy helps children build confidence in addition and subtraction through engaging exercises, friendly guidance, and playful challenges with Zuzu the owl. Why kids love Sumzy: • 30 levels of progressive difficulty Start with simple problems and advance to more complex addition and subtraction with borrowing. • Practice your way Choose operations, set difficulty, and decide how many problems to solve. • Speed Battle Race against Zuzu in a fun 45-second math challenge. • Daily Challenge A quick daily exercise to build consistency and improve skills. • Track progress See accuracy and speed improve over time with clear insights. Designed for kids: • Step-by-step explanations for harder concepts • Encouraging and positive feedback • Multiple attempts without pressure • Clean and simple design Parent-friendly: • No ads • No in-app purchases • Supports multiple languages • Safe and distraction-free Download Sumzy and help your child enjoy learning math.
Screenshots
Verdict
The clearest difference is iOS requirement: Build at 17.6 against Sumzy's 26.2. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Build | Sumzy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Weiran Ye | TOONATEK SRL |
In-app purchases
Build
No in-app purchases
Sumzy
No in-app purchases









