# Tri vs 立体视

The clearest difference is in-app purchases: Tri at none against 立体视's 9. Tri also leads on iOS requirement (9.0 vs 11.0). 立体视's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 立体视 sells 9 one-off in-app purchases. Tri asks for nothing beyond the download.

Tri ships an update every 2 months, 立体视 weekly. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Tri | 立体视 |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 285 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Zhejiang Shidao Electric Appliance Co.,Ltd](https://appshunter.io/developer/1444499347) | [Shenzhen Lititong Technology Co., Ltd.](https://appshunter.io/developer/1511890959) |

## 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


### 立体视

[App page](https://appshunter.io/ios/app/id1554968183)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个护眼豆 | $0.99 | one-time |
| 10个护眼豆 | $1.99 | one-time |
| 84个护眼豆 | $14.99 | one-time |
| 160个护眼豆 | $27.99 | one-time |
| 500个护眼豆 | $89.99 | one-time |
| 934护眼豆 | $169.99 | one-time |
| 1699个护眼豆 | $299.99 | one-time |
| 2549个护眼豆 | $449.99 | one-time |
| 5013个护眼豆 | $899.99 | one-time |


## Frequently asked questions

### Is Tri free?

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

### Is 立体视 free?

立体视 is free to download, with in-app purchases available.

### Do Tri or 立体视 have ads?

Neither Tri nor 立体视 shows ads.

### Which is updated more often, Tri or 立体视?

Tri ships an update every 2 months, and 立体视 weekly. Most recently, Tri was updated on September 10, 2026 and 立体视 on September 18, 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.*