# 智教练考研数学HD版 vs SoundsRight

The clearest difference is device support: SoundsRight at 3 against 智教练考研数学HD版's 1. 智教练考研数学HD版's advantage is iOS requirement (12.0 vs 15.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 智教练考研数学HD版 sells 4 one-off in-app purchases and SoundsRight sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 智教练考研数学HD版 | SoundsRight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 44 MB | 151 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Zhinengxing Education Technology Co.Ltd](https://appshunter.io/developer/1535179691) | [齐 席](https://appshunter.io/developer/1882573965) |

## What reviewers say

### 智教练考研数学HD版

[App page](https://appshunter.io/ios/app/hd/id6747038192)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 学习券/ 份 | $0.99 | one-time |
| 30 学习劵/份 | $5.99 | one-time |
| 41 学习劵/份 | $8.99 | one-time |
| 54 学习劵/份 | $9.99 | one-time |


### SoundsRight

[App page](https://appshunter.io/ios/app/soundsright/id6760121011)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundsRight Pro Monthly | $0.99 | per month |
| SoundsRight Pro Yearly | $9.99 | per year |
| SoundsRight Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is 智教练考研数学HD版 free?

智教练考研数学HD版 is free to download, with in-app purchases available.

### Is SoundsRight free?

SoundsRight is free to download, with in-app purchases available.

### Do 智教练考研数学HD版 or SoundsRight have ads?

Neither 智教练考研数学HD版 nor SoundsRight shows ads.

### Which is updated more often, 智教练考研数学HD版 or SoundsRight?

智教练考研数学HD版 ships an update every 2 weeks, and SoundsRight every 2 weeks. Most recently, 智教练考研数学HD版 was updated on September 9, 2026 and SoundsRight on September 17, 2026.

---

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