Comparison

Unit Converter vs ESDPS Survey System

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

Head to head
About

Unit Converter

Features
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Unit Converter is a simple, fast unit conversion app for everyday life, DIY, cooking, travel, and study. 【8 Categories Supported】 Covers 8 categories and 40+ units: length, weight, temperature, area, volume, speed, data storage, and time. Convert between meters and feet, kilograms and pounds, Celsius and Fahrenheit, and more, right on the spot. 【Just Type to See Everything】 Enter a number and instantly see the converted result for every unit in the same category. No need to pick each one separately. 【Save Favorites】 Add your frequently used conversion pairs to favorites and recall them with a single tap. 【Clean Dark Design】 An easy-on-the-eyes dark theme with large number displays so results are clear at a glance. 【Great For】 - Converting inches and feet to centimeters for DIY and measuring - Converting cups and ounces to grams and milliliters for overseas recipes - Converting Fahrenheit to Celsius while traveling - Quickly checking data storage and speed units A simple, easy-to-use unit converter for everyone who needs to convert units.

About

ESDPS Survey System

Features
Read full description

ESDPS is a professional engineering surveying app for field calculation, road staking, earthwork quantity computation, and project review. Key features: 1. Curve staking: supports straight line staking, circular curves, vertical curves, virtual-focus curves, three-point curves, S-curves, egg-shaped curves, compound curves, comprehensive curves, combined alignments, interchange ramp curves, and full-line layout by intersection points. 2. Basic surveying: supports coordinate forward and inverse calculation, Gauss projection conversion, zone conversion, coordinate transformation, forward intersection, side intersection, resection, area calculation, map sheet calculation, and detail point calculation. 3. Earthwork calculation: supports grid earthwork, TIN earthwork, cross-section earthwork, and contour-based earthwork calculation. 4. Survey adjustment: supports closed traverse, connecting traverse, branch traverse, undefined traverse, closed leveling, connecting leveling, and branch leveling. 5. Topographic and drawing tools: supports contour drawing and DWG/DXF file viewing. 6. Point cloud tools: supports LiDAR point cloud scanning, point cloud processing, and browsing PLY, OBJ, LAS, and other point cloud files. 7. File management: supports local project saving, search, opening, renaming, cloud upload, download, and synchronization. 8. AI assistant: helps query local or cloud project files, explain surveying module parameters, recognize images, tables, and documents, and assist with common engineering surveying questions. ESDPS is designed for engineering surveying, road construction, topographic mapping, earthwork checking, field staking, and project file management. The free version provides basic access, while signed-in users can upgrade in the plan center for cloud, AI, and full-feature access. website:http://www.esdps.cn Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Unit Converter3 screens
ESDPS Survey System4 screens

Verdict

The call

The clearest difference is in-app purchases: Unit Converter at none against ESDPS Survey System's 2. On price, ads, device support 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. ESDPS Survey System sells 2 in-app purchases, starting at $6.99 per month. Unit Converter asks for nothing beyond the download.

Scorecard1 real difference · 5 level
Unit Converter versus ESDPS Survey System: the parameters behind the verdict, then further details
ParameterUnit ConverterESDPS Survey System
PriceFreeFree
Update frequencyMonthly—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size6 MB17 MB
Age rating4+4+
DeveloperSANWA Inc.丽君 张

In-app purchases

None

Unit Converter

No in-app purchases

2 purchases

ESDPS Survey System

Subscriptions1
  • ESDPS Monthly Plan$6.991 Month
One-time1
  • Full Lifetime Access$79.99

Questions

Is Unit Converter free?
Unit Converter is free to download, with no in-app purchases.
Is ESDPS Survey System free?
ESDPS Survey System is free to download, with in-app purchases available.
Do Unit Converter or ESDPS Survey System have ads?
Neither Unit Converter nor ESDPS Survey System shows ads.

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