TI vs EarthTime
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TI
This utility app displays the current time in various unconventional formats, including decimal, hexadecimal, and Swatch Internet time. It's designed for users who appreciate unique and challenging ways to view time, with some formats requiring specialized knowledge to interpret.
- Decimal time display
- Hexadecimal time display
- Swatch Internet time
- Trigonometry clock
- PT clock
- Large, easy-to-read digits
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This clock App is meant for all those users who like to get the time in unusual or challenging ways. This App can display the time in many different ways, like for example as decimal time (which was introduced in the French Revolution), as hexedecimal time (the idea goes back to the 19th century), as "Swatch Internet time" and many others. The most challenging clocks are the trigonometry clock and the PT clock, which requires some mathematical or chemical knowledge to interpret the time correctly. This clock is for "Geeks" ;-) The App shows the time in big letters which are easy to read even from the distance. So you can use an (old) iOS device put it on a shelf so it just shows the time. Feel free to make suggestions for other "geeky" clocks I can add in the future...
EarthTime
This app presents a universal time system based on Earth's orbit and rotation, independent of cultural constructs like months or hours. It features a unique clock display, a converter for local time, and a timer, offering a consistent global date-time.
- Universal date-time system
- Concentric dial clock display
- Local Gregorian date-time option
- EarthTime to local time converter
- EarthTime timer
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EarthTime is a global date-time system which is truly international and independent of culture. It is based on the 2 given parameters of time passing on Earth; • The Earth Year - an orbit around the Sun; • The Earth Day - a revolution around Earth's axis. The counting of the Earth years in the current era begins around the time of the first signs of human civilisation. Each year starts on the northern/southern hemisphere's spring/autumn equinox. Each day is divided into decimal fractions to express the time of day. There are no time zones, so it is always the same date-time everywhere on Earth. The EarthTime day starts and ends at midnight GMT. There are no months, weeks, hours, minutes, seconds, as these are simply human constructions which vary between cultures. Thus, the EarthTime at 2 Aug 2016 12:11am BST (when the system was first revealed to the world in the form of an App) was: 11,769 : 134.46635 The ingenious App displays the EarthTime in an innovative clock of concentric dials with an option to display local gregorian date-time. It has a calculator to convert between local and EarthTime and a timer in EarthTime. EarthTime, the most original app in years
Screenshots
Verdict
The clearest difference is price: EarthTime at Free against TI's $0.99. EarthTime also leads on review sentiment (100% vs 73%) and iOS requirement (11.0 vs 15.0). TI's advantage is update cadence (every 8 months vs every 23 months). On 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
EarthTime is free to download; TI costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TI ships an update every 8 months, EarthTime every 23 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | TI | EarthTime |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.8 (8 ratings) — better | — |
| Positive reviews | 73.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | — |
| Update frequency | Every 8 months — better | Every 23 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Clauss | DaliFermat Ltd |
Customer experience
TI
EarthTime
In-app purchases
TI
No in-app purchases
EarthTime
No in-app purchases









