# OPT7 GLOW vs Smart echosari

The clearest difference is review sentiment: OPT7 GLOW at 86% against Smart echosari's 67%. OPT7 GLOW also leads on iOS requirement (11.0 vs 14.0). Smart echosari's advantage is rating (3.6 vs 3.4). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart echosari holds the better App Store score, 3.6 against 3.4. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews complicate that: 86% of OPT7 GLOW's written reviews are positive against 67% of Smart echosari's, so the app with the better star average is not the one people write more warmly about.

OPT7 GLOW ships an update every 4 months, Smart echosari every 3 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OPT7 GLOW | Smart echosari |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (9 ratings)](https://appshunter.io/ios/app/opt7-glow/id6475662855/reviews) | **[3.6 (5 ratings)](https://appshunter.io/ios/app/smart-echosari/id6736748180/reviews)** |
| Number of ratings | **9** | 5 |
| Positive reviews | **85.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 339 MB | 404 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [W Group](https://appshunter.io/developer/1423370524) | [Shenzhen Dealbeta Lighting Technology Co., Ltd.](https://appshunter.io/developer/1773257160) |

## What reviewers say

### OPT7 GLOW

[App page](https://appshunter.io/ios/app/opt7-glow/id6475662855)

Control various RGB lighting products, including strips, bulbs, and in-vehicle lights. Adjust color, brightness, and dynamic modes. Supports music synchronization via local files or device microphone.

**Highlights:** Control RGB strip lights, Control RGBIC strip lights, Control RGB bulbs, Control in-vehicle RGB lights, Adjust color and lightness, Select dynamic modes and rhythm styles, Music synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart echosari

[App page](https://appshunter.io/ios/app/smart-echosari/id6736748180)

Control various smart lights like neon, strips, and strings via Bluetooth or Wi-Fi. Easily switch colors, create custom atmospheres for home or parties, and discover new features for a personalized lighting experience.

**Highlights:** Bluetooth/Wi-Fi smart light connection, Control neon lights, light strips, curtain lights, eaves lights, light strings, Switch colors and create custom atmospheres, Personalized lighting journey, Discover new features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OPT7 GLOW free?

OPT7 GLOW is free to download, with no in-app purchases.

### Is Smart echosari free?

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

### Which has better reviews, OPT7 GLOW or Smart echosari?

Smart echosari is rated higher. OPT7 GLOW averages 3.4 out of 5 from 9 ratings, while Smart echosari averages 3.6 from 5 ratings.

### Do OPT7 GLOW or Smart echosari have ads?

Neither OPT7 GLOW nor Smart echosari shows ads.

### Which is updated more often, OPT7 GLOW or Smart echosari?

OPT7 GLOW ships an update every 4 months, and Smart echosari every 3 months. Most recently, OPT7 GLOW was updated on October 5, 2026 and Smart echosari on October 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.*