# Mercylion vs DREO

The clearest difference is update cadence: DREO at every 10 days against Mercylion's every 8 months. DREO also leads on chart position (#206 vs unranked). Mercylion's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Mercylion ships an update every 8 months, DREO every 10 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mercylion | DREO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (47K ratings)](https://appshunter.io/ios/app/dreo/id1587134363/reviews)** |
| Number of ratings | — | **47K** |
| Positive reviews | — | 86.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | — | Free |
| Best chart rank | — | **#206** |
| Size | 111 MB | 187 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [lanfeng wu](https://appshunter.io/developer/1036131280) | [HESUNG INNOVATION LIMITED](https://appshunter.io/developer/1592993182) |

## What reviewers say

### Mercylion

[App page](https://appshunter.io/ios/app/mercylion/id1468247418)

**In-app purchases:** none


### DREO

[App page](https://appshunter.io/ios/app/dreo/id1587134363)

**Currently charting:** #206 Top Free · Lifestyle (US App Store)

Control all your smart devices from one place with this intuitive app. Enjoy top-tier cloud security and smart remote features for a simpler, more secure living experience.

**Highlights:** Unified device management, Top-tier cloud security, Smart remote operations, Intuitive user interface, Home and office device control

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use app
- 🚀 Excellent app performance
- 🔌 Seamless integration with smart devices
- 🔧 Responsive customer support
- 💡 Innovative features like remote control and voice commands

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔌 Inconsistent temperature readings
- 🔧 Missing advanced customization options
- 💡 Lack of HomeKit and Siri integration

**Reported bugs**

- App crashes after recent update
- Inability to retain device settings after power cycle

**Requested features**

- Add ability to set temperature-based automation
- Improve widget functionality
- Introduce more personalization options
- Enhance accessibility for screen readers


## Frequently asked questions

### Is Mercylion free?

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

### Is DREO free?

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

### Do Mercylion or DREO have ads?

Neither Mercylion nor DREO shows ads.

### Which is updated more often, Mercylion or DREO?

Mercylion ships an update every 8 months, and DREO every 10 days. Most recently, Mercylion was updated on October 26, 2026 and DREO on October 31, 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.*