# 刘老师系列 vs 同艺心圆美育

The clearest difference is in-app purchases: 同艺心圆美育 at none against 刘老师系列's 1. 刘老师系列's advantage is iOS requirement (9.0 vs 11.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 刘老师系列 sells 1 one-off in-app purchase. 同艺心圆美育 asks for nothing beyond the download.

刘老师系列 ships an update every 5 months, 同艺心圆美育 every 3 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | 刘老师系列 | 同艺心圆美育 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 148 MB | 39 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [成城 高](https://appshunter.io/developer/1043441388) | [Dongguan Dalang Tongyixinyuan Training Center Co.Ltd](https://appshunter.io/developer/1554202851) |

## What reviewers say

### 刘老师系列

[App page](https://appshunter.io/ios/app/7/id1284412499)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 刘老师-译林版 英语七年级（下）全部功能 | $2.99 | one-time |


### 同艺心圆美育

[App page](https://appshunter.io/ios/app/id1531549995)

**In-app purchases:** none


## Frequently asked questions

### Is 刘老师系列 free?

刘老师系列 is free to download, with in-app purchases available.

### Is 同艺心圆美育 free?

同艺心圆美育 is free to download, with no in-app purchases.

### Do 刘老师系列 or 同艺心圆美育 have ads?

Neither 刘老师系列 nor 同艺心圆美育 shows ads.

### Which is updated more often, 刘老师系列 or 同艺心圆美育?

刘老师系列 ships an update every 5 months, and 同艺心圆美育 every 3 months. Most recently, 刘老师系列 was updated on October 7, 2026 and 同艺心圆美育 on October 7, 2026.

---

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