Mars Info vs ReadBay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mars Info
Explore the Red Planet with an interactive 3D globe. Discover and learn about key Martian locations like volcanoes, craters, and mountains. View detailed information including size and coordinates for each point of interest.
- Interactive 3D globe with gesture controls
- Pinpoint 80+ interesting Martian locations
- Detailed information on locations
- Zoom, rotate, and tilt controls
- List of selectable locations
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Explore Mars using simple gestures to rotate a globe, tilt, zoom and select locations. Credits - Viking Orbiter MDIM 2.1 map of Mars - NASA NASA's Scientific Visualization Studio: GMM-3 MOLA (Mars Orbiter Laser Altimeter) Topography map GMM-3 Free-Air Mars Gravity map GMM-3 Bouguer Mars Gravity map GMM-3 Crustal Mars Thickness map Features: - Ability to pinpoint about 80 the most interesting areas on the map of Mars, including volcanos, craters, plains, mountains, spacecrafts. - Displaying some information about the location, such as its name, type, short description, size and coordinates. - Ability to select locations on the 3D globe and on the plain list. - Zoom, rotation, tilt of the globe.
ReadBay
Access concise summaries and audio versions of bestselling books in under 15 minutes. Master key insights from business, self-help, and personal development titles for faster learning and habit building.
- 15-minute book summaries
- Audiobook summaries
- Offline reading
- Progress tracking
- Habit building challenges
- Bookmark favorite notes
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Book Summary & Audiobook App - Learn in 15 Minutes Master key insights from bestselling self help, business books, and personal development titles with ReadBay's quick book summaries! Our speed reading approach delivers professional development content faster than Blinkist or Headway. Why ReadBay Beats the Competition: 15 minute reads - Perfect for daily learning Audiobook summaries for hands-free motivation Offline reading - Learn anywhere, anytime Productivity tools with progress tracking Habit building challenges and goals Popular Categories: Leadership books, Business books, Self Help, Productivity, Psychology, Money & Investing, Professional development, Communication Perfect for Quick Book Summaries: Busy professionals seeking key insights Students wanting speed reading solutions Anyone building daily learning habits Commuters maximizing time with audiobook content Smart Learning Features: Bookmark favorite book notes Set habit building challenges Learn faster with audio mode Motivation through progress tracking Start your learning journey with FREE book summaries! Website: https://www.growthmindapps.com Terms: https://www.growthmindapps.com/terms Privacy: https://www.growthmindapps.com/privacy
Screenshots
Verdict
The clearest difference is price: ReadBay at Free against Mars Info's $6.99. ReadBay also leads on review sentiment (85% vs 42%) and rating (4.8 vs 4.3). Mars Info's advantage is in-app purchases (none vs 4). On ratings volume, ads 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
ReadBay is free to download; Mars Info costs $6.99 up front. ReadBay sells 4 in-app purchases, starting at $4.99 per month. Mars Info asks for nothing beyond the download.
ReadBay holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 159 and 239 respectively. Written reviews point the same way: 42% of Mars Info's written reviews are positive against 85% of ReadBay's.
Mars Info ships an update every 2 months, ReadBay every 10 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Mars Info | ReadBay |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 4.3 (159 ratings) | 4.8 (239 ratings) — better |
| Positive reviews | 41.7% of reviews | 84.5% of reviews — better |
| Number of ratings | 159 | 239 — better |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Mac, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 212 MB | 60 MB |
| Age rating | 4+ | 17+ |
| Developer | Viktor Goltvyanytsya | Bange Sabastine Hwonyi |
Customer experience
Mars Info
ReadBay
Bugs and requests
Mars Info
Not enough reviews yet to summarise bugs or requests.
ReadBay
Reported bugs
2 issues- Purchased lifetime subscription not accessible on new device
- Identical summaries for different books
Requested features
3 requests- Support for French books
- Ability to share summaries to Kindle
- More language options (e.g., Chinese)
In-app purchases
Mars Info
No in-app purchases
ReadBay
- Monthly Pro Membership$4.991 Month
- Pro Annual Membership$19.991 Year
- Yearly Pro Membership3 Days trial$24.991 Year
- Lifetime Membership$39.99
Questions
Is Mars Info free?
Is ReadBay free?
Which has better reviews, Mars Info or ReadBay?
Do Mars Info or ReadBay have ads?
Which is updated more often, Mars Info or ReadBay?
Other comparisons
