Sumalo vs CalcBlitz
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sumalo
Engage in a fast-paced mental math challenge using the reduced sum technique. Test your reflexes across eight unique game modes and compete in seasonal rankings to improve focus and calculation speed.
- Reduced sum technique
- Eight unique game modes
- Seasonal rankings and ELO system
- Real-time duels with friends
- Detailed performance statistics
- Cognitive training for focus and memory
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Test your mental math skills and compete against other players in fast-paced challenges. Sumalo is a competitive mental math game built around speed, accuracy, and strategy, with online duels, multiple game modes, leagues, seasons, rankings, achievements, and rewards. The rules are easy to learn and hard to master: solve each operation and reduce the result to a single digit from 1 to 9. For example: 8 + 7 = 15 → 1 + 5 = 6. The faster and more accurate you are, the more points you earn. MENTAL MATH DUELS Challenge your friends or find an opponent in asynchronous matches. Each player can complete the duel at their own pace while both face the same challenge. Win matches, increase your ELO rating, and climb the global rankings. GAME MODES • Classic: speed and accuracy in the original Sumalo experience. • Beat the Clock: earn the highest score before time runs out. • Guess the number: find the missing number in the operation. • Scale: compare both sides and choose the correct answer. • Chain: solve sequences where each result depends on the previous one. • Outsider: find the false result or the only correct one. • Survival: protect your three lives and go as far as you can. • Mission: reach the target score before time runs out. LEAGUES, SEASONS, AND PROGRESSION • Move up through the leagues and fight for the top positions. • Take part in seasons with different modes and objectives. • Review your accuracy, response time, and winning streak statistics. • Compete in the global rankings and prove your skill. ACHIEVEMENTS AND REWARDS Complete challenges to unlock achievements, badges, and trophies. Earn coins through victories and progression, visit the in-game store, and expand your inventory with new items. WHY PLAY SUMALO? • Quick matches designed to play at any time. • Duels against friends and other players. • Varied modes for practicing mental math, logic, and focus. • Competitive progression with ELO, leagues, seasons, and rankings. • Achievements, statistics, rewards, and inventory. • A different take on math games and number puzzles. Sumalo is made for players who enjoy numbers, brain challenges, and competition. Learn the digital root mechanic, beat your best scores, and conquer every season.
CalcBlitz
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8 × 7. 93 − 47. 144 ÷ 12. How fast can you answer? CalcBlitz turns mental math into a fast, addictive game. Problems pop up. You tap in the answer. One mistake ends your streak-or time runs out. TWO GAME MODES CLASSIC MODE Build the longest streak you can. Every correct answer keeps you going. One wrong answer ends the round. How far can you get before you slip up? BLITZ MODE You have 60 seconds. Solve as many problems as you can. Wrong answers don't end the game-but they cost points. Race the clock and beat your high score. WHY CALCBLITZ • Custom number pad-no keyboard lag, just fast taps • Difficulty increases with your streak-stays challenging • Four operations: +, −, ×, ÷ • Global leaderboards-daily and all-time • Track your personal bests so every run has a goal • No account, no internet required-works offline COMPETE WORLDWIDE Climb the leaderboard and see how your streak stacks up against players around the world. The daily Blitz resets every 24 hours-a fresh chance to reach the top. PERFECT FOR Students who want to stay sharp, anyone looking for a quick brain warm-up, or anyone who thinks they're especially fast at mental math. Let's find out. Download CalcBlitz. Start your streak.
Screenshots
Verdict
The clearest difference is device support: Sumalo at 3 against CalcBlitz's —. Sumalo also leads on iOS requirement (15.0 vs 26.2). On price 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Sumalo | CalcBlitz |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | — |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 125 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Salamanca Garcia | Slavka Polanova |
In-app purchases
Sumalo
No in-app purchases
CalcBlitz
No in-app purchases









