# OTIS灯带控制 vs 印象电子音乐相册

The clearest difference is in-app purchases: OTIS灯带控制 at none against 印象电子音乐相册's 3. OTIS灯带控制 also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). 印象电子音乐相册's advantage is update cadence (every 4 months vs every 18 months). On price and device support there is nothing between them.

Both are free to download. 印象电子音乐相册 sells 3 in-app purchases, starting at $3.99 per month. OTIS灯带控制 asks for nothing beyond the download.

OTIS灯带控制 ships an update every 18 months, 印象电子音乐相册 every 4 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OTIS灯带控制 | 印象电子音乐相册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 4 months** |
| Size | 23 MB | 98 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changzhou Minjie Electric Appliance Co., Ltd.](https://appshunter.io/developer/1604121750) | [广西晨兴科技有限公司](https://appshunter.io/developer/1729299813) |

## What reviewers say

### OTIS灯带控制

[App page](https://appshunter.io/ios/app/otis/id1457518608)

**Features:** macOS Compatibility

**In-app purchases:** none


### 印象电子音乐相册

[App page](https://appshunter.io/ios/app/id6477419193)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员解锁 | $3.99 | per month |
| 季度会员解锁 | $7.99 | per 3 months |
| 年度会员解锁 | $9.99 | per year |


## Frequently asked questions

### Is OTIS灯带控制 free?

OTIS灯带控制 is free to download, with no in-app purchases.

### Is 印象电子音乐相册 free?

印象电子音乐相册 is free to download, with in-app purchases available.

### Do OTIS灯带控制 or 印象电子音乐相册 have ads?

印象电子音乐相册 shows ads; OTIS灯带控制 does not.

### Which is updated more often, OTIS灯带控制 or 印象电子音乐相册?

OTIS灯带控制 ships an update every 18 months, and 印象电子音乐相册 every 4 months. Most recently, OTIS灯带控制 was updated on October 2, 2026 and 印象电子音乐相册 on October 1, 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.*