# Local Scale Factor vs Dev Services

The clearest difference is review sentiment: Local Scale Factor at 100% against Dev Services's 0%. Local Scale Factor also leads on iOS requirement (10.3 vs 12.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Local Scale Factor ships an update every 2 months, Dev Services every 3 months. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Local Scale Factor | Dev Services |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 65 MB | 104 MB |
| Requires iOS | **10.3** | 12.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NRG Surveys Ltd](https://appshunter.io/developer/1334623382) | [Scottish Water Limited](https://appshunter.io/developer/1458462053) |

## What reviewers say

### Local Scale Factor

[App page](https://appshunter.io/ios/app/local-scale-factor/id1353822948)

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.

**Highlights:** Local scale factor calculation, Cartesian coordinate conversion, WGS84 GPS position input, Local grid transformations, Postcode to geodetic position conversion, Map navigation

**Features:** macOS Compatibility

**In-app purchases:** none


### Dev Services

[App page](https://appshunter.io/ios/app/dev-services/id1458462054)

This utility app enables font replacement within a remote inspection application. After installation, users can email for access and to add new inspection sites, providing necessary site details. Feedback and questions can also be directed via email.

**Highlights:** Font replacement with Google Figtree, Request access via email, Add new inspection sites, Provide site details for additions, Submit feedback and questions via email

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Local Scale Factor free?

Local Scale Factor is free to download, with no in-app purchases.

### Is Dev Services free?

Dev Services is free to download, with no in-app purchases.

### Do Local Scale Factor or Dev Services have ads?

Neither Local Scale Factor nor Dev Services shows ads.

### Which is updated more often, Local Scale Factor or Dev Services?

Local Scale Factor ships an update every 2 months, and Dev Services every 3 months. Most recently, Local Scale Factor was updated on September 23, 2026 and Dev Services on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*