Version history
Altitude Checker
39
ASO score
Text
48/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
3.6
Votes
33
App Age
12y 8m
Last Update
Oct 25, 2024
iAP
$1.99 - 1.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
0
|
4.48
|
|
|
Number of Ratings (Voted)
|
0
|
506.5K
|
|
|
App Age
|
12y 8m
|
8y 7m
|
+48%
|
|
In-app Purchases Price
|
$2
|
$49
|
-96
%
|
|
Update Frequency
|
423d
|
40d
|
+954%
|
|
Title Length
|
16
|
24
|
-33%
|
|
Subtitle Length
|
26
|
25
|
+4%
|
|
Description Length
|
1 823
|
2 525
|
-28%
|
|
Number of Screenshots
|
819
|
1075
|
-24
%
|
|
Size
|
290MB
|
278MB
|
+4
%
|
Category Ranking in United States
7 days
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Last 180 days
Last year
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| Top | Dec 15, 2025 | Dec 22, 2025 |
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| Top | Dec 15, 2025 | Dec 22, 2025 |
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| Top | Dec 15, 2025 | Dec 22, 2025 |
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Ranking Keywords in United States
| Keywords | App Rank |
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Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
16
of 30
)
Altitude Checker
Subtitle
(
Characters:
26
of 30
)
Measure Altitude with GNSS
Description
(
Characters:
1823
of 4000
)
This app is a tool for measuring altitude, either at your current location or at arbitrary points. The app offers two measurement modes: Map Measurement Mode and GNSS Mode.
Map Measurement Mode:
When you launch the app, it enters this mode. In Map Measurement Mode, the app measures the altitude of the center position of a map using a digital elevation model (DEM). The app utilizes SRTM30 V2 data for altitude measurements. If you enable the “Use GSI’s API” switch in the settings, it can also make use of GSI’s API to obtain the altitude of Fundamental Geospatial Data (FGD) in Japan.
GNSS Mode:
Tapping on the “Get GNSS Altitude” button activates the GNSS Mode. In this mode, altitude is calculated using GNSS data. For users with an iPhone 3GS or earlier, the returned value represents ellipsoidal height.
Settings:
- Unit: Choose between Meter and Foot for altitude measurements.
- Special Datum: Select from Default (MSL), A. P. (Arakawa), Y. P., O. P., K. P., S. P., A. P. (Yoshinogawa), T. P. W., and B. S. L.
- Coordinate System: Opt for “Japan Plane Rectangular Coordinate System” instead of Latitude-Longitude.
- Display Address: Toggle this switch to display the address of the current location. When it’s off, coordinates are shown instead of an address.
- Use GSI’s API: As mentioned previously.
- Use GSI Tiles: Choose to use GSI tiles instead of Apple Maps.
- Update to Map Coordinates: Automatically update coordinates on the “Move Anywhere” page to the current position on the maps.
- Use Light Mode for Maps: Maps are displayed in Light Mode, even when Dark Mode is enabled.
About URL Scheme:
- Format: alt://lat/long
- lat: Latitude (double value)
- long: Longitude (double value)
If the latitude is not within the range of ±90 degrees, it will be replaced with the latitude and the longitude.}
Read more
Other
Additional Information
Version history
3.0.1
Oct 25, 2024
- Supported iOS 18.
- Improved address and elevation acquisition process.
3.0.0
Jun 14, 2024
- Added save and export functions.
- Added ellipsoidal height measurement function.
- fixed bugs.
