Connected Earth vs Mars Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Connected Earth
Explore global transportation and communication networks. Visualize roads, railways, shipping lanes, and flight routes, along with submarine internet cables, to understand Earth's interconnectedness. Gain a unified perspective of our planet and the systems that link us.
- Global transportation visualization
- Communication network mapping
- Interactive Earth view
- Submarine cable layer
- Unified planet perspective
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Discover how we travel and communicate across the globe. Planet Earth is interconnected in countless ways. Explore this connectedness from a global perspective. Visualize overlaying roads, railways, navigable rivers, shipping lanes, and flight routes to uncover how we move across the planet. Dive into the intricate relationships between transport and communication networks. Activate the internet connection layer to reveal submarine cables and see how the world's populated areas interact. Gain insight into the incredible systems that link us together and raise awareness of the amazing planet we call home. Learn to see the world as one unified planet, where we are all interconnected and together.
Mars Book
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The Mars Book is an app that is dedicated for observing Mars which will make close approach in summer 2020. Mars will come close to Earth from September 2020 through October 2020. Closest approach will take place on October 6, 2020. Mars Book is a highly useful Mars observing app which will indicate the location of Mars visible in the sky. It shows you why Mars Close Approach will take place, and it is explained readily using animated illustrations and star charts at a viewpoint from outer Space. Mars Close Approaches taking place 23 times from the year 2003 through 2050 will be displayed and apparent retrograde motion of Mars will be displayed. Enjoy Mars Close Approach this summer with the Mars Book app!
Screenshots
Verdict
The clearest difference is update cadence: Mars Book at every 13 months against Connected Earth's every 91 months. Mars Book also leads on iOS requirement (9.0 vs 12.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Connected Earth ships an update every 91 months, Mars Book every 13 months. The most recent releases landed on August 31, 2026 and September 10, 2026 respectively.
| Parameter | Connected Earth | Mars Book |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 91 months | Every 13 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Celestial Dynamics AG | Vixen Co.,Ltd. |
In-app purchases
Connected Earth
No in-app purchases
Mars Book
No in-app purchases
Questions
Is Connected Earth free?
Is Mars Book free?
Do Connected Earth or Mars Book have ads?
Which is updated more often, Connected Earth or Mars Book?
Other comparisons
