MT vs MoonScope
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
MT
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Official app for setting up the Steamrock MT-11 Digital Moon Tracker using NFC.
MoonScope
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Typically, a lunar calendar shows the phases of the moon at noon on that day, as viewed from the center of the Earth. As a result, the moon phase calendar does not usually take into account the observer's location or the time of observation, and it is normal for the moon's appearance in the sky to not match the actual moon phase in the sky. MoonWatch is an app whose primary goal is to recreate the moon as it actually appears in the sky when you look up at it. That means it accurately recreates the sky conditions (sunrise, sunset, tri-light) at that location and time, the phases of the moon, moonrise, moonset, and the angle of the moon as it changes over time in 3D space. This means that the moon on the screen will match the actual moon in the sky, which you can easily find by using the tracking function to adjust the angle of your iPhone or iPad. With a premium subscription, you can also easily find the moon's appearance in places other than your current location. Normally, the lunar calendar shows the phases of the moon at noon on that day, but you can also freely change the time to obtain the lunar phase. Enjoy this simple yet highly functional lunar calendar that flexibly responds to a variety of needs by accurately recreating the solar system in 3D space.
Screenshots
Verdict
The clearest difference is in-app purchases: MT at none against MoonScope's 1. MT also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). MoonScope's advantage is update cadence (monthly vs every 2 months). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. MoonScope sells 1 one-off in-app purchase. MT asks for nothing beyond the download.
MT ships an update every 2 months, MoonScope monthly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | MT | MoonScope |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly โ better |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 17 MB | 161 MB |
| Age rating | 17+ | 4+ |
| Developer | Steamrock Inc. | Hajime Suzuki |
In-app purchases
MT
No in-app purchases
MoonScope
- No Ads$4.99









