Comparison

Nono Blocks Formula 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

Nono Blocks Formula

This logic puzzle game challenges players to fill in grid cells based on numerical hints to reveal a hidden pattern. With over 100 levels of increasing difficulty, it sharpens problem-solving skills. Enjoy intuitive tap controls on mobile or mouse support on Mac.

Highlights
  • Over 100 logic puzzles
  • Beginner to advanced difficulty
  • Intuitive tap controls
  • Mouse support for Mac
  • VoiceOver accessibility
  • Leaderboards for competition
Features
Read full description

Nono Blocks Formula is a nonogram logic puzzle game. Use the number clues beside each row and above each column to determine which cells should be dark and which should be crossed out. Each number represents a group of consecutive dark cells. Fill every cell correctly to complete the puzzle. When a row or column matches its clues, the hint numbers turn green. On lower-density levels, the clues may allow more than one possible arrangement. Green means that a row or column fits its clues, but the full grid must still match the puzzle's solution. If all hints are green but the level is not complete, revisit places where more than one arrangement was possible and try a different one. More than 100 levels become progressively more challenging as you advance. Play with simple tap controls on iPhone and iPad, or use a mouse on Mac. Key Features: - Over 100 levels, from beginner to advanced difficulty. - Simple and intuitive controls. - Leaderboards to track your progress and compete with others. - Full VoiceOver support for accessible play. Whether you're new to nonograms or an experienced solver, Nono Blocks Formula offers increasingly challenging logic puzzles as you progress.

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
Currently charting
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

Nono Blocks Formula4 screens
Echo Chain4 screens

Verdict

The call

The clearest difference is price: Nono Blocks Formula at Free against Echo Chain's $3.99. Nono Blocks Formula also leads on ratings volume (6 vs 2). Echo Chain's advantage is ads (none vs shown) and chart position (#191 vs unranked). On rating, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Nono Blocks Formula is free to download; Echo Chain costs $3.99 up front. Nono Blocks Formula sells 1 one-off in-app purchase and Echo Chain sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Nono Blocks Formula against 5.0 for Echo Chain. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews are what separate them: 90% of Nono Blocks Formula's written reviews are positive against 100% of Echo Chain's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 1, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 5 level
Nono Blocks Formula versus Echo Chain: the parameters behind the verdict, then further details
ParameterNono Blocks FormulaEcho Chain
PriceFree — better$3.99
Rating5.0 (6 ratings)5.0 (2 ratings)
Positive reviews90.0% of reviews100.0% of reviews — better
Number of ratings6 — better2
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
Best chart rank#191 — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size9 MB196 MB
Age rating4+12+
Developerx2line.com LLCUnmbox Studios

Customer experience

Nono Blocks Formula

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

Echo Chain

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

In-app purchases

1 purchases

Nono Blocks Formula

One-time1
  • Check Solution$0.99
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 Nono Blocks Formula free?
Nono Blocks Formula is free to download, with in-app purchases available.
Is Echo Chain free?
Echo Chain costs $3.99, and also offers in-app purchases.
Which has better reviews, Nono Blocks Formula or Echo Chain?
Nono Blocks Formula and Echo Chain are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.
Do Nono Blocks Formula or Echo Chain have ads?
Nono Blocks Formula shows ads; Echo Chain does not.
Which is updated more often, Nono Blocks Formula or Echo Chain?
Nono Blocks Formula ships an update every 3 weeks, and Echo Chain every 3 weeks. Most recently, Nono Blocks Formula was updated on September 1, 2026 and Echo Chain on September 9, 2026.

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