# 新中大i6 vs 背书帮

The clearest difference is in-app purchases: 新中大i6 at none against 背书帮's 4. 新中大i6 also leads on iOS requirement (13.0 vs 17.6). 背书帮's advantage is update cadence (every 10 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 背书帮 sells 4 in-app purchases, starting at $2.99 per 7 days. 新中大i6 asks for nothing beyond the download.

新中大i6 ships an update every 4 months, 背书帮 every 10 days. The most recent releases landed on September 8, 2026 and May 31, 2026 respectively.

## The numbers

| Metric | 新中大i6 | 背书帮 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 107 MB | 14 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [NEWGRAND SOFTWARE CO.,LTD](https://appshunter.io/developer/681541332) | [DX CloudData Co., Ltd](https://appshunter.io/developer/1810936300) |

## What reviewers say

### 新中大i6

[App page](https://appshunter.io/ios/app/i6/id1671093009)

**In-app purchases:** none


### 背书帮

[App page](https://appshunter.io/ios/app/ai/id6760751855)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $2.99 | per 7 days |
| 月订阅 | $3.99 | per month |
| 月订阅 | $3.99 | per month |
| 年订阅 | $6.99 | per year |


## Frequently asked questions

### Is 新中大i6 free?

新中大i6 is free to download, with no in-app purchases.

### Is 背书帮 free?

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

### Do 新中大i6 or 背书帮 have ads?

Neither 新中大i6 nor 背书帮 shows ads.

### Which is updated more often, 新中大i6 or 背书帮?

新中大i6 ships an update every 4 months, and 背书帮 every 10 days. Most recently, 新中大i6 was updated on September 8, 2026 and 背书帮 on May 31, 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.*