Elevation Survey vs 勾配電卓
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Elevation Survey
This app simplifies leveling surveys by automatically calculating instrument and ground heights. It allows for instant computation of staff readings for layout work and offers flexible data entry modes. Survey data can be easily exported and shared.
- Automatic HI and GH calculation
- Instant staff reading computation for layout
- Color-coded input and results
- Add notes for projects
- Export data as CSV
- Standard and Staff data entry modes
- In-app tutorial
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Make leveling surveys smarter at any construction site. With the Elevation Survey app, you no longer need a field notebook, calculator, or pencil. Just enter the staff readings and the app instantly performs all the calculations, helping you complete surveying tasks efficiently and smoothly. Results are saved within the app and can be exported as CSV files or images. Share data instantly with colleagues using various methods for fast on-site delivery. The app supports the Instrument Height (HI) method, with a built-in tutorial that explains both app usage and surveying basics for beginners. 【Key Features】 • Automatically calculate Instrument Height (HI) and Ground Height (GH) from the benchmark elevation and staff readings • Enter design elevation to instantly compute the staff readings needed for batter board (layout) work • Add or delete rows freely • Color-coded display for input values and calculation results, improving readability • Add memos for each project or site • Export survey data as CSV, editable in Excel • Switch between Standard Mode and Staff Mode • Staff Mode allows intuitive entry, just like reading the staff directly through the level • Duplicate, delete, or edit past survey data • Built-in "How to Use" guide explains app operations, the HI method, and basic surveying for beginners • Cloud backup protects your valuable data — recover anytime from the cloud, even if your device is lost or damaged. Share data with various methods. • Multi-language support — available in 40+ languages • Convert recorded data between meters, feet & inches, and decimal feet • Data input units: meters, feet & inches, or decimal feet • 10-day free trial. After that, free for one project. Unlock all limits with a monthly or yearly subscription • Cancel your subscription anytime — use with peace of mind • Subscribers get unlimited project registration and unlimited data sharing Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
勾配電卓
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建築の設計等における勾配計算を助けるシンプルで使いやすいアプリ。 水平距離・垂直距離または勾配を条件として入力するだけで、瞬時に計算。 勾配は%と1/xに対応。
Screenshots
Verdict
The clearest difference is in-app purchases: 勾配電卓 at none against Elevation Survey's 2. Elevation Survey's advantage is update cadence (every 3 months vs every 45 months) and iOS requirement (15.0 vs 17.0). On price 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
Both are free to download. Elevation Survey sells 2 in-app purchases, starting at $6.99 per month. 勾配電卓 asks for nothing beyond the download.
Elevation Survey ships an update every 3 months, 勾配電卓 every 45 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.
| Parameter | Elevation Survey | 勾配電卓 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 32.3% of reviews | — |
| Update frequency | Every 3 months — better | Every 45 months |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 75 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Booth | Takahiro Miyashita |
In-app purchases
Elevation Survey
- Premium Monthly$6.991 Month
- Premium Yearly$59.991 Year
勾配電卓
No in-app purchases
