Inline Group Inc. vs SurveyNotes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inline Group Inc.
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Since 2012, Inline group Inc has provided oil & gas, infrastructure, mining and power generation clients with a value proposition that encompasses the best of both worlds – the competitiveness and flexibility of a smaller firm, but the processes, expertise, and services of a large firm, derived from years of executing on Canada’s major projects.
SurveyNotes
This professional tool assists surveyors, engineers, and contractors with precise grade and elevation calculations in the field. It functions as a digital field book, recording instrument setups, benchmark elevations, and foresight shots with timestamps. Export your data as professional PDFs for easy sharing.
- Differential leveling calculations
- Instrument setup in seconds
- Session-based field book recording
- Professional PDF export
- Offline functionality
- Custom measurement keyboard
- Dark mode interface
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SurveyNotes is a professional differential leveling tool built for surveyors, engineers, and contractors who need a reliable field book in their pocket. Set up your instrument in seconds. Enter your benchmark elevation and backsight rod reading and SurveyNotes instantly calculates your Height of Instrument. From there, enter any desired elevation and get the exact rod reading you need to hit grade. FIELD BOOK RECORDING Every shot you record is saved to a session-based field book — organized by instrument setup, exactly the way a real level book works. Each session stores your benchmark, backsight, HI, and every foresight shot with notes and timestamps. PROFESSIONAL PDF EXPORT Export any session as a clean, print-ready PDF formatted like a traditional differential leveling field book. Share it by email or AirDrop directly from the app. BUILT FOR THE FIELD • Works completely offline — no account, no internet required • Dark mode interface easy on the eyes in all lighting conditions • Custom measurement keyboard supporting decimal feet, feet-inches, and fractions to the nearest 1/16" • Sessions are saved automatically and available across app launches SURVEYING TERMINOLOGY SurveyNotes uses standard differential leveling terminology — Benchmark (BM), Backsight (BS), Height of Instrument (HI), and Foresight (FS) — so it fits naturally into any professional workflow. All data is stored locally on your device and never transmitted anywhere.
Screenshots
Verdict
The clearest difference is update cadence: SurveyNotes at weekly against Inline Group Inc.'s every 3 weeks. Inline Group Inc.'s advantage is iOS requirement (12.1 vs 26.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Inline Group Inc. ships an update every 3 weeks, SurveyNotes weekly. The most recent releases landed on September 27, 2026 and August 29, 2026 respectively.
| Parameter | Inline Group Inc. | SurveyNotes |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.1 — better | 26.2 |
| Further details — not scored | ||
| Size | 48 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Inline Group Inc. | Nicholas VanderKlip |
In-app purchases
Inline Group Inc.
No in-app purchases
SurveyNotes
No in-app purchases





