# Hit＆Blow Online (Bulls & Cows) vs ECHO LOOP

The clearest difference is in-app purchases: ECHO LOOP at none against Hit＆Blow Online (Bulls & Cows)'s 1. ECHO LOOP also leads on update cadence (every 3 days vs every 3 months). Hit＆Blow Online (Bulls & Cows)'s advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Hit＆Blow Online (Bulls & Cows) sells 1 one-off in-app purchase. ECHO LOOP asks for nothing beyond the download.

Hit＆Blow Online (Bulls & Cows) ships an update every 3 months, ECHO LOOP every 3 days. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Hit＆Blow Online (Bulls & Cows) | ECHO LOOP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/hitblow-online-bulls-and-cows/id1554440792/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Amateral Inc.](https://appshunter.io/developer/490530434) | [RYO TAKENO](https://appshunter.io/developer/6791367948) |

## What reviewers say

### Hit＆Blow Online (Bulls & Cows)

[App page](https://appshunter.io/ios/app/hitblow-online-bulls-and-cows/id1554440792)

Engage in a classic two-player code-breaking challenge. Players take turns guessing a secret three-digit number, receiving feedback on correct digits and positions to deduce the code and win.

**Highlights:** Two-player code-breaking, Guessing secret numbers, Hit and Blow feedback system, 60-second turn limit, Online multiplayer

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### ECHO LOOP

[App page](https://appshunter.io/ios/app/echo-loop-time-loop-puzzle/id6791367946)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hit＆Blow Online (Bulls & Cows) free?

Hit＆Blow Online (Bulls & Cows) is free to download, with in-app purchases available.

### Is ECHO LOOP free?

ECHO LOOP is free to download, with no in-app purchases.

### Do Hit＆Blow Online (Bulls & Cows) or ECHO LOOP have ads?

Both Hit＆Blow Online (Bulls & Cows) and ECHO LOOP show ads.

### Which is updated more often, Hit＆Blow Online (Bulls & Cows) or ECHO LOOP?

Hit＆Blow Online (Bulls & Cows) ships an update every 3 months, and ECHO LOOP every 3 days. Most recently, Hit＆Blow Online (Bulls & Cows) was updated on October 27, 2026 and ECHO LOOP on October 20, 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.*