# WGS84 vs B4i

The clearest difference is review sentiment: B4i at 100% against WGS84's 0%. B4i also leads on price (Free vs $1.99). WGS84's advantage is iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

B4i is free to download; WGS84 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WGS84 ships an update every 2 months, B4i every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | WGS84 | B4i |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/b4i-coordinates-calculator/id915366768/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 3 MB | 17 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUNG HSUN LIN](https://appshunter.io/developer/482586427) | [Erel Uziel](https://appshunter.io/developer/915366771) |

## What reviewers say

### WGS84

[App page](https://appshunter.io/ios/app/wgs84/id657324657)

This app measures coordinates in WGS84 format, offering both decimal degrees and degrees-minutes-seconds. It allows users to export data as CSV and attach photos, videos, or voice notes to measurements.

**Highlights:** WGS84 coordinate measurement, Decimal degrees format, Degrees-minutes-seconds format, CSV data export, Attach photos, videos, voice records, Download media via iTunes

**Features:** Vision Pro support

**In-app purchases:** none


### B4i

[App page](https://appshunter.io/ios/app/b4i-coordinates-calculator/id915366768)

This navigation tool converts between UTM and Lat/Lon coordinate systems, supporting various datums and formats. It displays current navigational information and allows sharing locations via SMS or email. Features include text-to-speech for coordinates and an animated compass.

**Highlights:** UTM to Lat/Lon conversion, Support for different datums, Current navigational information display, Location sharing via SMS/Email, Text-to-speech for coordinates, Animated compass

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WGS84 free?

WGS84 costs $1.99, with no in-app purchases.

### Is B4i free?

B4i is free to download, with no in-app purchases.

### Do WGS84 or B4i have ads?

Neither WGS84 nor B4i shows ads.

### Which is updated more often, WGS84 or B4i?

WGS84 ships an update every 2 months, and B4i every 3 months. Most recently, WGS84 was updated on October 24, 2026 and B4i on October 24, 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.*