Comparison

Four Seconds vs Echo Chain

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

Head to head
About

Four Seconds

Test your timing by stopping a timer at precisely four seconds. Compete with others on the leaderboard to see who has the best precision. It's a simple yet challenging game of skill.

Highlights
  • Precise timer stopping
  • Four-second challenge
  • Global leaderboard
  • Simple gameplay
Features
Read full description

Can you hit the bullseye? ---- A timer and a simple rule: stop it at exactly four seconds. Let's see how well this goes. See you on the leaderboard!

About

Echo Chain

This is an accessible audio game that challenges your memory by having you listen to and repeat sequences. It offers multiple game modes, including multiplayer and single-player challenges, and allows for custom sound packs. The experience is premium, ad-free, and designed for both visually impaired and sighted players.

Highlights
  • Listen and repeat audio sequences
  • Multiplayer and single-player modes
  • Custom sound pack creation
  • Global leaderboards
  • Fully accessible for visually impaired players
  • Ad-free premium experience
Features
Read full description

Echo Chain is an accessible, and ad-free audio game designed to challenge your mind, sharpen your memory, and deliver a seamless, high-quality experience built for both visually impaired and sighted players. At its core, Echo Chain is simple: listen to a sequence of sounds, then swipe to repeat it. Each round, the sequence grows. But mastering it? That's where the real challenge begins. FIVE UNIQUE WAYS TO PLAY Whether you want pressure, practice, pure competition, or a journey, Echo Chain adapts to your style: Online Multiplayer Mode (4-Player) Face off with friends or players across the world. Take turns building the chain, only the sharpest mind wins. Arcade Mode A classic single-player endurance run. How long can you keep the chain alive as sequences grow tougher and longer? Blitz Mode Speed meets memory. Survive the countdown as the tempo ramps up and reflexes become everything. Practice Mode A calm, risk-free space to learn new sound packs, refine your timing, and train your brain at your own pace. Voyage Mode Leave the ordinary behind and journey through three living sound worlds, Forest, Ocean, and Desert. Each environment wraps you in its own ambiance, assigns its own distinct audio cues, and gradually raises the stakes as you push deeper. Complete one world and the next begins, harder and richer. The chain never stops growing. Neither does the world around you. DAILY PULSE Every day, a brand new challenge is generated for all players worldwide, same sequence, same rules, one attempt. Finish fast, finish clean, and earn bonus points for every second you save. A dedicated daily leaderboard resets every 24 hours, so there is always something fresh to chase and a new rank to claim. CREATE YOUR OWN SOUND PACKS Your game. Your sound. Import audio files directly from your device to craft custom sound packs for every swipe direction. Play Echo Chain with your own style, your own rhythm, and your own personality. All custom creations come with their own score tracking via player achievements. COMPETE WITH THE BEST Climb dedicated global leaderboards across Multiplayer, Arcade, Daily Pulse, and Total Score. A PREMIUM EXPERIENCE - NO ADS, NO INTERRUPTIONS Echo Chain is fully unlocked with a single purchase. No ads. No paywalls. No distractions. Just pure gameplay. BUILT FOR ACCESSIBILITY Designed from day one with visually impaired players in mind, Echo Chain is fully navigable through audio, intuitively structured for screen-reader use, compatible end-to-end with VoiceOver, and playable without visuals from menus to gameplay. Every mode, every feature, every sound pack - fully accessible. Echo Chain is more than a memory game. It is a personal challenge, a creative tool and a competitive battleground, all powered by sound. How long can you keep the chain going?

Screenshots

Four Seconds4 screens
Echo Chain4 screens

Verdict

The call

The clearest difference is price: Four Seconds at Free against Echo Chain's $3.99. Four Seconds also leads on in-app purchases (none vs 7) and ratings volume (6 vs 2). Echo Chain's advantage is update cadence (every 3 weeks vs every 22 months). On rating, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Four Seconds is free to download; Echo Chain costs $3.99 up front. Echo Chain sells 7 one-off in-app purchases. Four Seconds asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Four Seconds against 5.0 for Echo Chain. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Four Seconds ships an update every 22 months, Echo Chain every 3 weeks. The most recent releases landed on September 14, 2026 and September 27, 2026 respectively.

Scorecard6 real differences · 4 level
Four Seconds versus Echo Chain: the parameters behind the verdict, then further details
ParameterFour SecondsEcho Chain
PriceFree — better$3.99
Rating5.0 (6 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings6 — better2
Update frequencyEvery 22 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size24 MB196 MB
Age rating4+12+
DeveloperAndrei AntonescuUnmbox Studios

Customer experience

Four Seconds

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Echo Chain

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Four Seconds

No in-app purchases

7 purchases

Echo Chain

One-time7
  • Pixel Beats$0.99
  • Sonic Pulse$0.99
  • Cosmic Burst$0.99
Show 4 more
  • Cyber Flow$0.99
  • Power Strike$0.99
  • Photon Slash$1.99
  • Tranquil Wave$1.99

Questions

Is Four Seconds free?
Four Seconds is free to download, with no in-app purchases.
Is Echo Chain free?
Echo Chain costs $3.99, and also offers in-app purchases.
Which has better reviews, Four Seconds or Echo Chain?
Four Seconds and Echo Chain are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.
Do Four Seconds or Echo Chain have ads?
Neither Four Seconds nor Echo Chain shows ads.
Which is updated more often, Four Seconds or Echo Chain?
Four Seconds ships an update every 22 months, and Echo Chain every 3 weeks. Most recently, Four Seconds was updated on September 14, 2026 and Echo Chain on September 27, 2026.

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