# 乐意联 vs Smart Thermos

The clearest difference is update cadence: Smart Thermos at every 6 weeks against 乐意联's every 3 months. On price, ads, 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.

乐意联 ships an update every 3 months, Smart Thermos every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 乐意联 | Smart Thermos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 52 MB | 22 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Luckeylink Technology co., LTD](https://appshunter.io/developer/1372513559) | [Wuhu Aicent Technology Co., Ltd](https://appshunter.io/developer/1681233293) |

## What reviewers say

### 乐意联

[App page](https://appshunter.io/ios/app/id1504217004)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Thermos

[App page](https://appshunter.io/ios/app/smart-thermos/id6447419906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 乐意联 free?

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

### Is Smart Thermos free?

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

### Do 乐意联 or Smart Thermos have ads?

Neither 乐意联 nor Smart Thermos shows ads.

### Which is updated more often, 乐意联 or Smart Thermos?

乐意联 ships an update every 3 months, and Smart Thermos every 6 weeks. Most recently, 乐意联 was updated on November 3, 2026 and Smart Thermos on November 3, 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.*