# SmartMeiControl vs OpusTranslator

The clearest difference is in-app purchases: SmartMeiControl at none against OpusTranslator's 2. SmartMeiControl also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (11.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. OpusTranslator sells 2 in-app purchases, starting at $4.99 per month. SmartMeiControl asks for nothing beyond the download.

SmartMeiControl ships an update every 3 weeks, OpusTranslator every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SmartMeiControl | OpusTranslator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (11 ratings)](https://appshunter.io/ios/app/smartmeicontrol/id6745723389/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 51 MB | 31 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Zhongshan Ruixin Electronic Technology Co.LTD](https://appshunter.io/developer/1521592955) | [Khin Say VOONG](https://appshunter.io/developer/1896427364) |

## What reviewers say

### SmartMeiControl

[App page](https://appshunter.io/ios/app/smartmeicontrol/id6745723389)

Control smart lighting fixtures to adjust color temperature, brightness, and individual room settings. Schedule lights to turn off automatically for convenience and energy saving.

**Highlights:** Adjust color temperature, Adjust brightness, Adjust color, Schedule lights off, Control individual rooms

**In-app purchases:** none


### OpusTranslator

[App page](https://appshunter.io/ios/app/opustranslator/id6767215941)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is SmartMeiControl free?

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

### Is OpusTranslator free?

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

### Do SmartMeiControl or OpusTranslator have ads?

Neither SmartMeiControl nor OpusTranslator shows ads.

### Which is updated more often, SmartMeiControl or OpusTranslator?

SmartMeiControl ships an update every 3 weeks, and OpusTranslator every 6 weeks. Most recently, SmartMeiControl was updated on October 24, 2026 and OpusTranslator on October 25, 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.*