Local Scale Factor vs Unzip
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Local Scale Factor
This tool calculates local scale factors and Cartesian coordinates from WGS84 GPS positions. It supports numerous local grid transformations and can convert between local postcodes and geodetic positions. It also offers map navigation to selected coordinates.
- Local scale factor calculation
- Cartesian coordinate conversion
- WGS84 GPS position input
- Local grid transformations
- Postcode to geodetic position conversion
- Map navigation
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For professional surveyors and geodesists who need to know the local scale factor and Cartesian coordinates based on WGS84 GPS positions Hundreds of local grid transformations built in. A full list of available transformations can be found at https://www.nrgsurveys.co.uk/wp-content/uploads/transformations.txt Converts latitude and longitude using local ellipsoid parameters and Helmert 7 step transformations As a bonus it converts local postcodes to geodetic positions and vice versa Open Maps navigation to the selected coordinates (If available)
Unzip
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Easily manage and extract compressed files on your iPhone or iPad with our app. Whether youβre dealing with zip, rar, 7z, or other archive formats, this app makes file decompression fast, simple, and secure. Key Features: - One-Tap Extraction Quickly open and extract ZIP, RAR, 7Z, TAR, GZ, BZ2, ISO, and more formats. - Archive Management View, rename, delete, and organize your extracted files within the app. - Create Archives Compress multiple files or folders into a new ZIP archive and share it easily. - File Preview Instantly preview documents, images, audio, video, and more without leaving the app. - File Security Open password-protected ZIP and RAR files securely. - Offline Access Use the app without an internet connection β your files remain fully accessible. Perfect For: - Professionals handling large file packages - Students downloading course materials - Anyone who needs fast access to compressed files on mobile The app also includes paid subscriptions, which can be canceled at any time. Privacy Policy: https://doc-hosting.flycricket.io/zip-rar-extractor-privacy-policy/6cd4e892-9c0b-496b-8ec3-d486cfa957d9/privacy Terms of use: https://doc-hosting.flycricket.io/zip-rar-extractor-terms-of-use/18b04ad0-ebb6-4078-8bde-169f611b583a/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Local Scale Factor at none against Unzip's 3. Local Scale Factor also leads on device support (3 vs 1) and iOS requirement (10.3 vs 17.0). Unzip's advantage is update cadence (every 4 days vs every 2 months). On price and ads there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Unzip sells 3 in-app purchases, starting at $4.99 per 7 days. Local Scale Factor asks for nothing beyond the download.
Local Scale Factor ships an update every 2 months, Unzip every 4 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.
| Parameter | Local Scale Factor | Unzip |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 2 months | Every 4 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Free | β |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 10.3 β better | 17.0 |
| Further details β not scored | ||
| Size | 65 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | NRG Surveys Ltd | Hype LLC |
In-app purchases
Local Scale Factor
No in-app purchases
Unzip
- Zip & Rar PRO (weekly)3 Days trial$4.997 Days
- Zip & Rar PRO (monthly)3 Days trial$12.991 Month
- Zip & Rar PRO (yearly)$49.991 Year









