# 赵涌在线 vs 7788旧书

The clearest difference is ads: 赵涌在线 at none against 7788旧书's shown. 赵涌在线 also leads on update cadence (every 8 days vs every 9 months). 7788旧书's advantage is iOS requirement (11.0 vs 15). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

赵涌在线 ships an update every 8 days, 7788旧书 every 9 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 赵涌在线 | 7788旧书 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/id468613187/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 9 months |
| Size | 65 MB | 46 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [上海赵涌在线智能技术有限公司](https://appshunter.io/developer/6826110502) | [997788](https://appshunter.io/developer/740386403) |

## What reviewers say

### 赵涌在线

[App page](https://appshunter.io/ios/app/id468613187)

**In-app purchases:** none


### 7788旧书

[App page](https://appshunter.io/ios/app/7788/id1519396738)

**In-app purchases:** none


## Frequently asked questions

### Is 赵涌在线 free?

赵涌在线 is free to download, with no in-app purchases.

### Is 7788旧书 free?

7788旧书 is free to download, with no in-app purchases.

### Do 赵涌在线 or 7788旧书 have ads?

7788旧书 shows ads; 赵涌在线 does not.

### Which is updated more often, 赵涌在线 or 7788旧书?

赵涌在线 ships an update every 8 days, and 7788旧书 every 9 months. Most recently, 赵涌在线 was updated on November 1, 2026 and 7788旧书 on October 27, 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.*