# 心算24点 vs 多米诺效应

The clearest difference is in-app purchases: 多米诺效应 at none against 心算24点's 1. 心算24点's advantage is ads (none vs shown) and update cadence (every 9 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. 心算24点 sells 1 one-off in-app purchase. 多米诺效应 asks for nothing beyond the download.

心算24点 ships an update every 9 days, 多米诺效应 every 8 months. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 心算24点 | 多米诺效应 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/24-2424/id1106175989/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 8 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 16 MB | 44 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pingtan Maque Information Technology Co., Ltd.](https://appshunter.io/developer/1078636441) | [宣攀 史](https://appshunter.io/developer/1500911722) |

## What reviewers say

### 心算24点

[App page](https://appshunter.io/ios/app/24-2424/id1106175989)

This game challenges players to use addition, subtraction, and multiplication to combine numbers and reach a total of 24. It offers various problem types and two engaging game modes to keep your mind sharp.

**Highlights:** Combine numbers to reach 24, Addition, subtraction, multiplication, Two-digit and three-digit problems, Timed and survival modes, Global leaderboard

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 关闭广告永久 | $1.99 | one-time |


### 多米诺效应

[App page](https://appshunter.io/ios/app/id1523055801)

This puzzle game simulates chain reactions using spinning gears. Tap a gear to initiate a cascade, creating a domino effect. It's an upgraded, more challenging version of a popular brain-training game.

**Highlights:** Chain reaction gameplay, Spinning gear mechanics, Color-coded gear triggers, Challenging puzzles, Brain-training upgrade

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 心算24点 free?

心算24点 is free to download, with in-app purchases available.

### Is 多米诺效应 free?

多米诺效应 is free to download, with no in-app purchases.

### Do 心算24点 or 多米诺效应 have ads?

多米诺效应 shows ads; 心算24点 does not.

### Which is updated more often, 心算24点 or 多米诺效应?

心算24点 ships an update every 9 days, and 多米诺效应 every 8 months. Most recently, 心算24点 was updated on October 12, 2026 and 多米诺效应 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.*