Spacetime Clock vs Waterfall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spacetime Clock
Explore celestial mechanics and terrestrial positioning with this app. Visualize moon phases, Earth's rotation, and your location's latitude and longitude. It also includes a compass and level meter for your device.
- Moon phases visualization
- Earth rotation and revolution simulation
- Latitude and longitude display
- Compass functionality
- iPhone level meter
- Customizable background colors
Read full descriptionHide full description
Time, calendars, the movements and positions of celestial bodies, and direction are all closely connected. This app brings together time and place in one view. Alongside the time and date, it shows the phases of the Moon, Earth’s rotation and orbit, latitude and longitude, compass direction, and the iPhone’s level. It lets you see and feel where you are in time and space at a glance. [Top of Screen] MOON: Moon phase (lunar age 0–29) HOURS: Hours (24-hour cycle) MINUTES: Minutes (60-minute cycle) SECONDS: Seconds (60-second cycle) [Center of Screen] The year, month, date, hour, minute, day of the week, and second are displayed. Earth completes one circuit around the center of the screen in 365 days (366 in a leap year). The display uses Earth’s axial tilt to approximate the amount of daylight at that time of year. It does not show precise sunrise or sunset times. The Earth and Moon graphics change depending on whether your current latitude is in the Northern or Southern Hemisphere. [Bottom of Screen] LATITUDE: Latitude (−90° to +90°; positive values indicate north, negative values south) LONGITUDE: Longitude (−180° to +180°; positive values indicate east, negative values west) COMPASS: Direction of north LEVEL: Level, measured along the iPhone’s X and Y axes Choose from four background colors: Space, Midnight, Twilight, and Sky Blue.
Waterfall
This application displays the current time on your device screen, creating a unique visual effect by simulating a cascading waterfall of numbers. It offers a distinctive way to view the time with its innovative design.
- Waterfall number effect for time display
- Simulates cascading numbers
- Displays current device time
- Unique visual interface
Read full descriptionHide full description
The program displays the current time on the device screen, simulating the effect of a waterfall of numbers.
Screenshots
Verdict
The clearest difference is price: Spacetime Clock at Free against Waterfall's $0.99. Spacetime Clock also leads on update cadence (every 2 months vs every 4 months). Waterfall's advantage is rating (5.0 vs 2.8) and device support (5 vs 1). On ratings volume, ads, 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
Spacetime Clock is free to download; Waterfall costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Waterfall holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
Spacetime Clock ships an update every 2 months, Waterfall every 4 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Spacetime Clock | Waterfall |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 2.8 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 40.9% of reviews | — |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone | iPhone, iPad, iPod, Apple TV, Apple Watch — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | y-design | Kostakov Maxim |
Customer experience
Spacetime Clock
Waterfall
In-app purchases
Spacetime Clock
No in-app purchases
Waterfall
No in-app purchases
Questions
Is Spacetime Clock free?
Is Waterfall free?
Which has better reviews, Spacetime Clock or Waterfall?
Do Spacetime Clock or Waterfall have ads?
Which is updated more often, Spacetime Clock or Waterfall?
Other comparisons















