# Well Ping vs MeRGBW

The clearest difference is rating: Well Ping at 3.9 against MeRGBW's 2.2. MeRGBW's advantage is ratings volume (151 vs 15). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Well Ping holds the better App Store score, 3.9 against 2.2. That said, the two scores are not equally well evidenced: MeRGBW has 151 ratings behind it against 15, so its average is the more settled of the two.

Well Ping ships an update every 3 weeks, MeRGBW monthly. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Well Ping | MeRGBW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/well-ping/id1532364388/reviews)** | [2.2 (151 ratings)](https://appshunter.io/ios/app/mergbw/id6463129603/reviews) |
| Number of ratings | 15 | **151** |
| Positive reviews | — | 15.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 18 MB | 43 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jamil Zaki](https://appshunter.io/developer/1483369196) | [Shenzhen Dingyun Future Technology Co., Ltd.](https://appshunter.io/developer/1703977957) |

## What reviewers say

### Well Ping

[App page](https://appshunter.io/ios/app/well-ping/id1532364388)

This app sends periodic notifications to prompt users to complete short experience sampling surveys. Access is restricted to invited participants with a provided login code.

**Highlights:** Experience sampling surveys, Periodic notifications, Study participation, Login code required, Brief survey completion

**In-app purchases:** none


### MeRGBW

[App page](https://appshunter.io/ios/app/mergbw/id6463129603)

Control your smart Bluetooth lighting fixtures with this app. Easily manage lamps by room or area, adjust brightness, temperature, and color. Transform your space with pre-designed lighting scenes or create personalized automations for your daily schedule.

**Highlights:** Room and area lighting management, Adjust brightness, temperature, and color, Pre-designed lighting scenes, Customizable light formulas, Personalized daily automations

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup and navigation
- 🎨 Wide variety of color options and scenes
- ⚡ Fast connection when working properly
- 🎯 Responsive controls and instant feedback
- 💡 Creative lighting effects and animations

**What reviewers complain about**

- 📺 Intrusive full-screen ads on paid product
- 🚫 Inappropriate/pornographic ad content
- 🔌 Frequent Bluetooth connection failures
- 🐛 App crashes and disconnects randomly
- ⏱️ Slow app loading and performance

**Reported bugs**

- Bluetooth won't connect or frequently disconnects
- App fails to recognize nearby devices
- Scenes don't work or change colors as described
- Music feature non-functional despite permissions
- Colors glitch or revert unexpectedly

**Requested features**

- Remove or significantly reduce ads from paid product
- Add brightness control in app
- Implement Alexa/Siri voice control compatibility
- Allow custom preset saving
- Add animation speed adjustment controls


## Frequently asked questions

### Is Well Ping free?

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

### Is MeRGBW free?

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

### Which has better reviews, Well Ping or MeRGBW?

Well Ping is rated higher. Well Ping averages 3.9 out of 5 from 15 ratings, while MeRGBW averages 2.2 from 151 ratings.

### Do Well Ping or MeRGBW have ads?

Neither Well Ping nor MeRGBW shows ads.

### Which is updated more often, Well Ping or MeRGBW?

Well Ping ships an update every 3 weeks, and MeRGBW monthly. Most recently, Well Ping was updated on October 19, 2026 and MeRGBW 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.*