Comparison

Engineering Survey Calculator vs MeMstar

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

Head to head
About

Engineering Survey Calculator

This app provides 33 essential calculators for surveying, measurement, and civil engineering tasks. It supports both Imperial (USCS) and Metric (SI) units, making it a versatile tool for engineers and surveyors on iOS devices.

Highlights
  • 33 specialized calculators
  • Surveying and measurement tools
  • Civil engineering parameters
  • Imperial (USCS) and Metric (SI) units
  • Available for iPhone and iPad
Features
Read full description

The field companion for surveyors and civil engineers — 42 calculators, reference tables, and field tools in USCS and SI units. Engineering Survey Calculator covers the everyday math of land surveying, from tape corrections to vertical curves, with instant results, clearly stated formulas, and one-tap unit switching. CALCULATORS — grouped the way you work • Errors & Precision: standard deviation, probable errors, error of the mean, full observation sets • Taping Corrections: temperature, tension, sag, slope — individually or chained into one corrected length • Leveling: curvature & refraction, reciprocal leveling, relative accuracy orders • Traverse: latitudes & departures, misclosure, precision ratio, Bowditch adjustment, area by coordinates • Curves: horizontal circular curves (T, L, C, M, E, D) and parabolic vertical curves with high/low point • Stadia & Tacheometry, Earthwork volumes, Photogrammetry scales, and angle converters (DMS ⇄ decimal, azimuth ⇄ bearing) AUTO-FILL REFERENCE DATA Tap the magic wand to fill tape constants, instrument constants, camera focal lengths, and accuracy coefficients from built-in reference tables — no more hunting through handbooks. A dedicated Reference tab keeps all tables one tap away, in your chosen unit system. FIELD TOOLS • GPS field points: capture coordinates and elevation, then get distance and elevation difference between points • Clinometer: measure slope angles with your device's sensors • DMS quick-entry keyboard for angle inputs SAVE, ORGANIZE, SHARE Save any calculation to a project, attach field notes and photos, share results, and export a whole project as a PDF report. BUILT FOR THE FIELD • USCS and SI units everywhere, one tap apart • Formulas shown with every result • Favorites and search • Dark mode, iPhone and iPad (side-by-side split view) • Works fully offline • Available in English, German, Spanish, French, Italian, Dutch, Portuguese, and Chinese (Simplified) Questions or suggestions? contact.pugal.apps@gmail.com

About

MeMstar

Features
Read full description

MeMstar est un dispositif de pointage pour télescope ne nécessitant aucune transformation matériel. L'application MeMstar permet de vous connecter au boitier MeMstar. Il vous donne un accès à plus de 15 000 objets stellaires comprenant les planètes, le catalogue Messier, NGC et les étoiles nommées.

Screenshots

Engineering Survey Calculator4 screens
MeMstar4 screens

Verdict

The call

The clearest difference is price: MeMstar at Free against Engineering Survey Calculator's $2.99. MeMstar also leads on update cadence (every 9 months vs every 24 months) and iOS requirement (14.0 vs 16.0). On 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

CostPrice · In-app purchases · Ads · Monetization

MeMstar is free to download; Engineering Survey Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Engineering Survey Calculator ships an update every 24 months, MeMstar every 9 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Engineering Survey Calculator versus MeMstar: the parameters behind the verdict, then further details
ParameterEngineering Survey CalculatorMeMstar
Price$2.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 24 monthsEvery 9 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size6 MB25 MB
Age rating4+4+
DeveloperV PUGAZHENTHIMickael Pannequin

In-app purchases

None

Engineering Survey Calculator

No in-app purchases

None

MeMstar

No in-app purchases

Questions

Is Engineering Survey Calculator free?
Engineering Survey Calculator costs $2.99, with no in-app purchases.
Is MeMstar free?
MeMstar is free to download, with no in-app purchases.
Do Engineering Survey Calculator or MeMstar have ads?
Neither Engineering Survey Calculator nor MeMstar shows ads.
Which is updated more often, Engineering Survey Calculator or MeMstar?
Engineering Survey Calculator ships an update every 24 months, and MeMstar every 9 months. Most recently, Engineering Survey Calculator was updated on November 1, 2026 and MeMstar on October 27, 2026.

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