# Nono Blocks Formula vs Echo Chain

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 (#200 vs unranked). On rating, update cadence, in-app purchases and device support there is nothing between them.

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.

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.

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

## The numbers

| Metric | Nono Blocks Formula | Echo Chain |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/nono-blocks-formula/id6695739680/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/echo-chain-multiplayer/id6751758104/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#200** |
| Size | 9 MB | 196 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [x2line.com LLC](https://appshunter.io/developer/425135293) | [Unmbox Studios](https://appshunter.io/developer/1836642090) |

## What reviewers say

### Nono Blocks Formula

[App page](https://appshunter.io/ios/app/nono-blocks-formula/id6695739680)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Check Solution | $0.99 | one-time |


### Echo Chain

[App page](https://appshunter.io/ios/app/echo-chain-multiplayer/id6751758104)

**Currently charting:** #200 Top Paid · Family (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pixel Beats | $0.99 | one-time |
| Sonic Pulse | $0.99 | one-time |
| Cosmic Burst | $0.99 | one-time |
| Cyber Flow | $0.99 | one-time |
| Power Strike | $0.99 | one-time |
| Photon Slash | $1.99 | one-time |
| Tranquil Wave | $1.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*