Glow Lamp vs Plasma!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Glow Lamp
Transform your device into a dynamic mood lamp using a water bottle. Create relaxing ambient light with shifting colors and customizable effects, reminiscent of a modern lava lamp.
- Device-based mood lamp
- Uses water bottle for light diffusion
- Shifting color circles
- Adjustable color speeds
- Orbital accent circles
- Customizable light effects
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Turn your iPhone or iPad into a glowing, pulsating mood lamp, perfect to warm up the darkness with a soft relaxing light! Place a bottle of water on one of Glow Lamp's bright circles to pull the light of your device up into the bottle. Circles shift between colors at varying speeds and you can add a smaller orbiting circle that zooms around the outside of the larger circle to add accents and fun. The effects are controlled by you - experiment with colors and speeds to discover the moods you can create! It's a lava lamp for the 21st century! For best results use in a darker space and place your Glow Lamp near a wall. The photo has not been retouched in any way! ----------------------------------- - Thanks to icons8.com for several in-app icons
Plasma!
Experience a mesmerizing visual display resembling a lava lamp on your mobile device. Enjoy a free color palette or unlock additional options with a one-time purchase. The app runs continuously, making it a dynamic background for your device.
- Lava lamp simulation
- Smoothly morphing colorful blobs
- Free blue-green color palette
- Unlockable color palettes
- Continuous background operation
- Apple Watch compatibility
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Plasma! is like a Lava Lamp in your pocket! Run the app, then place your iPhone or iPad upright on the table. Or just hold it in your hand. Watch as the colorful blobs smoothly morph around the screen. Enjoy the blue-green color palette for free. Then after a one-time purchase, you may choose from 5 different color palettes, or "Cycle All" to rotate amongst them all. If running on an Apple Watch, simply tap on the screen until you find your favorite color. Plasma! will keep going when you're away, so remember to plug in your device to avoid draining the battery. Hope you enjoy it!
Screenshots
Verdict
The clearest difference is rating: Glow Lamp at 4.4 against Plasma!'s 3.8. Glow Lamp also leads on review sentiment (76% vs 54%). Plasma!'s advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Glow Lamp sells 1 one-off in-app purchase and Plasma! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Glow Lamp holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 36 and 30 respectively. Written reviews point the same way: 76% of Glow Lamp's written reviews are positive against 54% of Plasma!'s.
Glow Lamp ships an update every 4 months, Plasma! fortnightly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.
| Parameter | Glow Lamp | Plasma! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (36 ratings) — better | 3.8 (30 ratings) |
| Positive reviews | 76.3% of reviews — better | 53.8% of reviews |
| Number of ratings | 36 — better | 30 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 14.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 10 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Kaufman | Carl Gorringe |
Customer experience
Glow Lamp
Plasma!
In-app purchases
Glow Lamp
- Remove Ads$0.99
Plasma!
- More Colors!$0.99
