# SAFEAIR AQM vs Smart echosari

SAFEAIR AQM and Smart echosari are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SAFEAIR AQM | Smart echosari |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (8 ratings)](https://appshunter.io/ios/app/smart-echosari/id6736748180/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 21 MB | 404 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRACE TECHNOLOGIES PTE. LTD.](https://appshunter.io/developer/1569595469) | [Shenzhen Dealbeta Lighting Technology Co., Ltd.](https://appshunter.io/developer/1773257160) |

## What reviewers say

### SAFEAIR AQM

[App page](https://appshunter.io/ios/app/safeair-aqm/id6504995477)

**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 SAFEAIR AQM free?

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

### Is Smart echosari free?

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

### Do SAFEAIR AQM or Smart echosari have ads?

Neither SAFEAIR AQM nor Smart echosari shows ads.

### Which is updated more often, SAFEAIR AQM or Smart echosari?

SAFEAIR AQM ships an update every 3 months, and Smart echosari every 3 months. Most recently, SAFEAIR AQM was updated on October 10, 2026 and Smart echosari on October 24, 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.*