# 连成物联 vs 大家e双录

The clearest difference is iOS requirement: 连成物联 at 10.0 against 大家e双录's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 17, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | 连成物联 | 大家e双录 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 49 MB | 119 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Lian Cheng (Group) Co., Ltd.](https://appshunter.io/developer/1422591711) | [DAJIA ANNUITY INSURANCE CO., LTD](https://appshunter.io/developer/1644053400) |

## What reviewers say

### 连成物联

[App page](https://appshunter.io/ios/app/id1500532043)

**In-app purchases:** none


### 大家e双录

[App page](https://appshunter.io/ios/app/e/id1644053398)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 连成物联 free?

连成物联 is free to download, with no in-app purchases.

### Is 大家e双录 free?

大家e双录 is free to download, with no in-app purchases.

### Do 连成物联 or 大家e双录 have ads?

Neither 连成物联 nor 大家e双录 shows ads.

### Which is updated more often, 连成物联 or 大家e双录?

连成物联 ships an update every 2 months, and 大家e双录 every 2 months. Most recently, 连成物联 was updated on September 17, 2026 and 大家e双录 on July 21, 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.*