Comparison

Altitude Checker vs しずちょく

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Altitude Checker

Measure altitude using your device's location or by selecting points on a map. Offers various measurement modes and customizable settings for units, datums, and coordinate systems. Includes an option to display addresses or coordinates.

Highlights
  • Map Measurement Mode
  • GNSS Mode
  • Digital Elevation Model (DEM) data
  • Unit selection (Meter/Foot)
  • Special Datum options
  • Coordinate System selection
  • Address/Coordinate display
Features
Read full description

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.

About

しずちょく

Features
Read full description

<ごあいさつ> 雫石町の新鮮な野菜が直に購入できる産直やその周辺のスポットをマップにまとめているシンプルな地域密着型の地産地消を楽しむアプリです。地元住民と気持ち良くお付き合いしませんか? <基本機能> ・アカウント登録、ログイン、ログアウト (「一般消費者」「マップ情報登録者」の2種) (マップ情報登録は管理人により手動で実施) ・生産者による写真投稿 ・アカウント情報更新 ・おはようページ ・マイページ(修正可) ・お問い合わせ ・ブロック、通報機能 ※プッシュ通知などはありません ※岩手県雫石町非公認

Screenshots

Altitude Checker3 screens
しずちょく4 screens

Verdict

The call

The clearest difference is in-app purchases: しずちょく at none against Altitude Checker's 1. しずちょく also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 4 months). Altitude Checker's advantage is device support (3 vs 1). On price and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Altitude Checker sells 1 one-off in-app purchase. しずちょく asks for nothing beyond the download.

UpkeepUpdate frequency

Altitude Checker ships an update every 4 months, しずちょく every 5 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Altitude Checker versus しずちょく: the parameters behind the verdict, then further details
ParameterAltitude Checkerしずちょく
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews82.4% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size282 MB71 MB
Age rating4+4+
DeveloperTakafumi AMANOtakahiko abe

In-app purchases

1 purchases

Altitude Checker

One-time1
  • Remove Ads$1.99
None

しずちょく

No in-app purchases

Questions

Is Altitude Checker free?
Altitude Checker is free to download, with in-app purchases available.
Is しずちょく free?
しずちょく is free to download, with no in-app purchases.
Do Altitude Checker or しずちょく have ads?
Altitude Checker shows ads; しずちょく does not.
Which is updated more often, Altitude Checker or しずちょく?
Altitude Checker ships an update every 4 months, and しずちょく every 5 weeks. Most recently, Altitude Checker was updated on October 12, 2026 and しずちょく on October 3, 2026.

Other comparisons