# Tri vs 77电脑助手

The clearest difference is in-app purchases: Tri at none against 77电脑助手's 5. Tri also leads on ads (none vs shown) and iOS requirement (9.0 vs 12.0). 77电脑助手's advantage is update cadence (monthly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 77电脑助手 sells 5 one-off in-app purchases. Tri asks for nothing beyond the download.

Tri ships an update every 2 months, 77电脑助手 monthly. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Tri | 77电脑助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/tri-mix-adjustable-bed/id1444499348/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 2 MB | 68 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Shidao Electric Appliance Co.,Ltd](https://appshunter.io/developer/1444499347) | [开拓 蔺](https://appshunter.io/developer/1620485229) |

## What reviewers say

### Tri

[App page](https://appshunter.io/ios/app/tri-mix-adjustable-bed/id1444499348)

Control your electric bed with this app via Bluetooth. Adjust head, back, hips, and legs individually, fine-tune massage vibrations, and manage under-bed lighting. Save favorite positions for quick access.

**Highlights:** Bluetooth bed control, Individual position adjustment, Massage vibration control, Night light management, Memory position saving, Language switching (Chinese/English)

**Features:** macOS Compatibility

**In-app purchases:** none


### 77电脑助手

[App page](https://appshunter.io/ios/app/77/id1620485227)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 77电脑助手-周VIP | $0.99 | one-time |
| 77电脑助手-月VIP | $0.99 | one-time |
| 77电脑助手-季VIP | $2.99 | one-time |
| 77电脑助手-年VIP | $3.99 | one-time |
| 77电脑助手-永久VIP | $9.99 | one-time |


## Frequently asked questions

### Is Tri free?

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

### Is 77电脑助手 free?

77电脑助手 is free to download, with in-app purchases available.

### Do Tri or 77电脑助手 have ads?

77电脑助手 shows ads; Tri does not.

### Which is updated more often, Tri or 77电脑助手?

Tri ships an update every 2 months, and 77电脑助手 monthly. Most recently, Tri was updated on September 10, 2026 and 77电脑助手 on September 17, 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.*