gravity clock vs Luke Roberts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
gravity clock
Experience time's passage through a visually stunning clock that destroys and reconstructs its face. Numbers break off and fall, creating a dynamic and beautiful display of seconds ticking by.
- Realistic gravity/physics simulation
- Digital and analog modes
- Customizable gravity strength and direction
- Night mode
- Time speaking functionality
- Customizable colors
Read full descriptionHide full description
Watching the time pass has never been so beautiful! Gravity Clock visualizes the passage of time by the permanent destruction and reconstruction of the clock-face. Every second the hand breaks numbers out of the dial and lets them drop to the floor where they get buried by the following numbers and eventually wither away to make room for the endless succession of time. Watch the video here: http://joerg.piringer.net/gravityclock Features: - realistic gravity/physics simulation, numbers fall as if they were real objects - digital and analog mode - control strength and direction of gravity with presets or customize them - night mode with reduced brightness - can speak the time every minute, every 5 minutes etc. - change colors with presets or customize them - universal app supports iPhone/iPod touch and iPad in all orientations, resolutions and window sizes - looks perfect in an iPhone/iPad-dock
Luke Roberts
Control your luvo Matrix LED Lamp with intuitive paint gestures. Adjust intensity, direction, and color to create custom lighting scenes for any mood or occasion. Save your personalized lighting designs for easy recall.
- Adjust light intensity, direction, and color
- Paint light with gestures
- Control downlight and uplight independently
- Create and save personalized lighting scenes
- Utilize preset light scenes
- Design glare-free indirect lighting
Read full descriptionHide full description
Experience lighting redefined with the luvo Matrix LED Lamp and the Luke Roberts App. Adjust the intensity, direction, and colour of your light, creating a perfectly illuminated space for any moment. Simple paint gestures on your iPhone or iPad make it effortless to design the lighting you desire. PAINT YOUR LIGHT — Control downlight and uplight independently on your luvo lamp. — Select a colour and paint it in the desired direction to illuminate specific areas. — Fill the whole canvas to brighten up the entire room. — Switch from evenly distributed downlight, to spots, or ambient uplight. THE PERFECT MOOD FOR ANY OCCASION — Transform your space by painting vibrant colours on your ceiling to match any moment. — Mix shades and project them in different directions — Set the perfect atmosphere with glare-free indirect lighting and create cozy, inviting spaces for relaxation or entertaining. PERSONALIZED LIGHTING SCENES — Explore a variety of preset light scenes, customize them to suit your mood — Or design your own and save them in your personal lighting catalogue in the Luke Roberts App.
Screenshots
Verdict
The clearest difference is review sentiment: gravity clock at 89% against Luke Roberts's 25%. gravity clock also leads on rating (4.8 vs 3.7) and ratings volume (18 vs 3). Luke Roberts's advantage is price (Free vs $0.99). On update cadence, ads, in-app purchases and device support 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
Luke Roberts is free to download; gravity clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
gravity clock holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: gravity clock has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 89% of gravity clock's written reviews are positive against 25% of Luke Roberts's.
gravity clock ships an update every 2 months, Luke Roberts every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | gravity clock | Luke Roberts |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.8 (18 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 88.8% of reviews — better | 25.0% of reviews |
| Number of ratings | 18 — better | 3 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | joerg piringer | LR Innovation Lab GmbH |
Customer experience
gravity clock
Luke Roberts
Bugs and requests
gravity clock
Reported bugs
2 issues- Crashes at midnight
- Twitter integration not working
Requested features
5 requests- Add Arabic-Indic numerals
- Restore alarm function
- Implement 64-bit support for iOS 11
- Add countdown timer
- Allow setting clock as device screensaver
Luke Roberts
Not enough reviews yet to summarise bugs or requests.
In-app purchases
gravity clock
No in-app purchases
Luke Roberts
No in-app purchases
Questions
Is gravity clock free?
Is Luke Roberts free?
Which has better reviews, gravity clock or Luke Roberts?
Do gravity clock or Luke Roberts have ads?
Which is updated more often, gravity clock or Luke Roberts?
Other comparisons















