# LCTDBMS vs 学习帮影音

The clearest difference is in-app purchases: LCTDBMS at none against 学习帮影音's 4. LCTDBMS also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 学习帮影音 sells 4 in-app purchases, starting at $0.99 per month. LCTDBMS asks for nothing beyond the download.

LCTDBMS ships an update every 2 weeks, 学习帮影音 every 9 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LCTDBMS | 学习帮影音 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 37 MB | 56 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lichuang Tongda New Energy(Shenzhen) Co. Ltd.](https://appshunter.io/developer/1722005137) | [岳 于](https://appshunter.io/developer/993569576) |

## What reviewers say

### LCTDBMS

[App page](https://appshunter.io/ios/app/lctdbms/id6738772292)

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

**In-app purchases:** none


### 学习帮影音

[App page](https://appshunter.io/ios/app/id6804683474)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度VIP | $0.99 | per month |
| 季度VIP | $0.99 | per 3 months |
| 半年VIP | $1.99 | per 6 months |
| 年度VIP | $2.99 | per year |


## Frequently asked questions

### Is LCTDBMS free?

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

### Is 学习帮影音 free?

学习帮影音 is free to download, with in-app purchases available.

### Do LCTDBMS or 学习帮影音 have ads?

Neither LCTDBMS nor 学习帮影音 shows ads.

### Which is updated more often, LCTDBMS or 学习帮影音?

LCTDBMS ships an update every 2 weeks, and 学习帮影音 every 9 days. Most recently, LCTDBMS was updated on October 28, 2026 and 学习帮影音 on October 25, 2026.

---

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