Comparison

Equal 10 vs SoundEcho

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

Head to head
About

Equal 10

This is a fast-paced arithmetic puzzle game where players combine numbers to reach a sum of ten. It offers two game modes and a global leaderboard for competitive play, designed to sharpen calculation speed and reaction time.

Highlights
  • Combine numbers to make 10
  • Fast-paced mental math
  • Global online leaderboard
  • Two distinct difficulty modes
  • Award-winning gameplay
  • Ideal for short sessions
Features
Read full description

Equal 10 – The Addictive Mental Math Challenge! Sharpen your brain, boost your speed, and dive into the world of Equal 10, the fast-paced arithmetic puzzle game loved by beginners and math pros alike. Perfect for anyone looking to improve calculation skills, react faster, and enjoy bite-sized brain workouts anytime, anywhere. How It Works The rule is simple: make 10 using the numbers 1–9 shown on the screen. Pick the right combination, act quickly, and keep the streak alive! It’s easy to learn but surprisingly challenging to master—one moment of hesitation and it’s game over. Why You’ll Love Equal 10 ◉ Boost Mental Arithmetic Level up your calculation speed with short, engaging sessions. Whether you’re commuting, taking a break, or relaxing at home, Equal 10 turns spare minutes into powerful mental-math practice. ◉ Global Leaderboard Competition Think you’ve got great reflexes and math skills? Compete with players worldwide and climb the global ranking. Challenge friends, break personal records, and see where you stand among the world’s fastest thinkers. ◉ Two Game Modes for All Skill Levels Choose between two dynamic modes designed for both newcomers and seasoned math lovers. Train your brain at your own pace—or push your limits in the ultimate challenge mode. ◉ Award-Winning Experience Recognized for its clean design and engaging gameplay, Equal 10 proudly won the Best of Swiss Apps Award. Join thousands who enjoy this celebrated blend of fun and mental training. ◉ Learn Anywhere, Anytime Turn idle time into productive brain exercise. Improve your focus, number sense, and reaction time in just a few minutes per day. Equal 10 is your portable math coach—always ready when you are. Perfect For: • Fans of number games & logic puzzles • Players seeking fast, simple, addictive gameplay • Students improving arithmetic fluency • Adults wanting daily brain training • Anyone who loves beating high scores and competing globally Features at a Glance: • Simple rule: combine numbers to make 10 • Fast-paced mental math action • Global online leaderboard • Two distinct difficulty modes • Clean, minimalist design • Award-winning gameplay • Ideal for short sessions or long challenges • Suitable for all ages More Ways Equal 10 Helps You Improve Equal 10 strengthens essential cognitive skills such as pattern recognition, short-term memory, and decision-making under pressure. With every round, you build stronger number intuition and faster reaction times. The game’s rapid-fire pace creates a satisfying flow state, making it perfect for daily training or quick mental warmups. Whether you're preparing for school, sharpening professional skills, or simply keeping your mind active, Equal 10 supports your goals with fun, easy-to-repeat challenges. A Game That Grows With You As you play, you’ll naturally develop new strategies and quicker instincts. Many players report that consistent practice not only improves their in-game performance but also helps them calculate faster in real-life situations—like splitting bills, estimating prices, or managing time under pressure. Equal 10 is more than a game; it’s a practical, accessible brain-training tool that fits perfectly into any routine. Designed for Focus and Flow Every detail—from the clean interface to the clear number layout—is crafted to help you stay focused. No unnecessary distractions, no complicated rules. Just pure, smooth gameplay that encourages you to keep improving. Whether you prefer slow, thoughtful rounds or lightning-fast decision-making, Equal 10 adapts to your preferred playstyle. Download Equal 10 now and experience a refreshing, smart, and addictive twist on mental arithmetic. Train your brain, rise in the rankings, and enjoy the satisfying thrill of making everything add up perfectly!

About

SoundEcho

A fun and accessible memory game using sound cues. Players match pairs of buttons that produce the same sound to clear the board. Supports multiple sound themes and player counts, with Game Center integration.

Highlights
  • Sound-based memory matching
  • VoiceOver accessibility
  • Animal and computer sound themes
  • Multiple difficulty levels (10, 15, 20 sounds)
  • 2-4 player real-time multiplayer
  • Game Center integration
Features
Read full description

SoundEcho is a memory game with sounds that is easy to play and fully accessible with VoiceOver. SoundEcho is enjoyable for blind, low vision and sighted players alike. The gameplay is simple. Buttons showing a letter, number or smiley are spread across the screen. Tap a button to hear a sound. If two different buttons produce the same sound, they disappear. Find all matching sounds as quickly as possible with as few taps as you can. Choose from 4 sound categories: the classic animal and computer sounds, or the alternative traffic and musical instrument sounds. Each game contains 10, 15 or 20 sound pairs. SoundEcho integrates Game Center so you can compare scores, track achievements and play real-time matches with 2 to 4 players. SoundEcho was nominated for the 2023 Golden Apple Awards by the AppleVis website. Try SoundEcho for free today.

Screenshots

Equal 104 screens
SoundEcho3 screens

Verdict

The call

The clearest difference is rating: Equal 10 at 4.9 against SoundEcho's 4.3. Equal 10 also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). SoundEcho's advantage is update cadence (every 5 weeks vs every 11 months). On price, review sentiment, ratings volume and ads 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. SoundEcho sells 1 one-off in-app purchase. Equal 10 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Equal 10 holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Equal 10 ships an update every 11 months, SoundEcho every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Equal 10 versus SoundEcho: the parameters behind the verdict, then further details
ParameterEqual 10SoundEcho
PriceFreeFree
Rating4.9 (7 ratings) — better4.3 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings7 — better3
Update frequencyEvery 11 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size24 MB7 MB
Age rating4+12+
DeveloperMarco KrapfKristof Nijs

Customer experience

Equal 10

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SoundEcho

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Equal 10

No in-app purchases

1 purchases

SoundEcho

One-time1
  • Purchasing the app$4.49

Questions

Is Equal 10 free?
Equal 10 is free to download, with no in-app purchases.
Is SoundEcho free?
SoundEcho is free to download, with in-app purchases available.
Which has better reviews, Equal 10 or SoundEcho?
Equal 10 is rated higher. Equal 10 averages 4.9 out of 5 from 7 ratings, while SoundEcho averages 4.3 from 3 ratings.
Do Equal 10 or SoundEcho have ads?
Neither Equal 10 nor SoundEcho shows ads.
Which is updated more often, Equal 10 or SoundEcho?
Equal 10 ships an update every 11 months, and SoundEcho every 5 weeks. Most recently, Equal 10 was updated on November 1, 2026 and SoundEcho on November 3, 2026.

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