Planetary Weather vs Encyclopedia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Planetary Weather
Explore real-time weather conditions on planets, moons, and the Sun in a stunning 3D solar system model. Get daily temperature and wind speed forecasts with accurate data.
- Daily temperature and wind speed forecasts
- Data for planets, moons, and the Sun
- Accurate estimates from NASA/NOAA
- Stunning 3D solar system renders
- Metric or Imperial units
- High-quality graphics
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Ever wanted to know today's temperature on Mars, or the current wind speed on Saturn? Now you can! Check out today's average temperature and wind speed on every planet in the solar system, as well as the most important moons and the Sun, all while viewing the solar system in stunning 3D the likes of which you have never seen before on your phone! Features Include: • Daily temperature and wind speed forecasts for all the planets, important moons, the Sun, and of course, Pluto. • Accurate estimates of daily planetary weather conditions based on NASA and NOAA data. • Correct Time of day for earth and lunar phase for our moon • Beautiful 3D renders of the solar system for you to explore • Metric or Imperial units • Among the highest quality graphics you've ever seen in a solar system application.
Encyclopedia
Explore the solar system with extensive articles and high-definition images. This app offers comprehensive information, engaging content, and a user-friendly interface, making it suitable for both children and adults interested in space.
- Thousands of articles and HD photos
- Comprehensive solar system information
- Engaging and easy-to-understand content
- Offline availability
- Badge collection for reading
- Intuitive user interface
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Travel through our celestial neighborhood in 386 illustrated articles on the Sun, planets, moons, smaller bodies and the history of solar-system exploration. START WITH FIVE FREE ARTICLES New readers can choose any five different articles. Your chosen articles stay unlocked, and revisiting them never uses another choice. Existing readers keep previously granted access. MAKE DISCOVERIES YOUR OWN • Search article titles and full text • Follow links between related topics • Save articles and return to your reading position • Continue recent reading and track your progress • Explore connections through the timeline and graph • Find article sources and image credits inside the app CHOOSE YOUR ACCESS Own the full encyclopedia with a one-time purchase for complete offline reading. Or choose monthly or annual Premium for the full encyclopedia plus AI chat grounded in this subject's articles. Eligible new Premium subscribers receive a three-day introductory trial. Subscriptions renew automatically unless canceled through your App Store account. Current local prices and terms appear before purchase. Restore Purchases recovers eligible previous purchases. Earlier full-version ownership includes encyclopedia and offline access; Premium AI requires a subscription. Internet access is required for AI chat and purchases. AI answers may contain errors; consult the linked sources. Article text is derived from Wikipedia. Images come from appropriately licensed Wikimedia Commons and other open sources. Source links, licenses and credits are available in the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Encyclopedia at monthly against Planetary Weather's every 7 months. Planetary Weather's advantage is review sentiment (100% vs 83%) and rating (4.0 vs 3.8). On price, ratings volume, ads and in-app purchases 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. Planetary Weather sells 2 one-off in-app purchases and Encyclopedia sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Planetary Weather holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 11 and 14 respectively. Written reviews point the same way: 100% of Planetary Weather's written reviews are positive against 83% of Encyclopedia's.
Planetary Weather ships an update every 7 months, Encyclopedia monthly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.
| Parameter | Planetary Weather | Encyclopedia |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (11 ratings) — better | 3.8 (14 ratings) |
| Positive reviews | 100.0% of reviews — better | 83.3% of reviews |
| Number of ratings | 11 | 14 — better |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 118 MB | 322 MB |
| Age rating | 4+ | 4+ |
| Developer | Technospirits | Good Spider, LLC |
Customer experience
Planetary Weather
Encyclopedia
In-app purchases
Planetary Weather
- Gas Giants$0.99
- Moon Pack$1.99
Encyclopedia
- Full Version$2.99
Questions
Is Planetary Weather free?
Is Encyclopedia free?
Which has better reviews, Planetary Weather or Encyclopedia?
Do Planetary Weather or Encyclopedia have ads?
Which is updated more often, Planetary Weather or Encyclopedia?
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