DMS Converter vs B4i
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DMS Converter
This tool converts location coordinates between Decimal Degrees and Degrees/Minutes/Seconds formats. It supports various input styles and allows easy viewing in Maps or sending to other GPS apps. Coordinates can also be copied to the clipboard.
- Decimal Degrees to DMS conversion
- DMS to Decimal Degrees conversion
- Fuzzy parsing for varied input formats
- View in Maps app
- Send to GPS Log app
- Copy to clipboard
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Easily convert between Decimal Degrees and Degrees/Minutes/Seconds (Dº M' S") notation. Then, easily view the converted coordinate in the Maps app, or send it to GPS Log (our app for recording your travels). Or copy to the clipboard using the standard iPhone functions. Fuzzy parsing logic allows you to input coordinates in a variety of ways, like N 28° 11' 47", E 86° 49' 40, and S37° 56.679' E145° 10.141'. Most of the formats used by major geocaching web sites are supported. If you have any problems using this software, please contact us by email: support-at-gpslog.com so we can work with you to solve the problem. Issues left as reviews are difficult to address.
B4i
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.
- 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
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A navigational calculator that allows converting between UTM and Lat / Lon coordinates systems and between different datums and formats. The second page shows the current navigational information and allows you to send the location by SMS or Email. New Speak button. Speaks the current coordinate (text to speech). New animated compass.
Screenshots
Verdict
The clearest difference is in-app purchases: B4i at none against DMS Converter's 1. B4i also leads on review sentiment (100% vs 86%). DMS Converter's advantage is ratings volume (28 vs 2). On price, rating, update cadence and ads 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
Both are free to download. DMS Converter sells 1 one-off in-app purchase. B4i asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.6 for DMS Converter against 3.5 for B4i. That said, the two scores are not equally well evidenced: DMS Converter has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 86% of DMS Converter's written reviews are positive against 100% of B4i's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on August 25, 2026 and September 15, 2026 respectively.
| Parameter | DMS Converter | B4i |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (28 ratings) — better | 3.5 (2 ratings) |
| Positive reviews | 85.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 28 — better | 2 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Geospike Pty Ltd | Erel Uziel |
Customer experience
DMS Converter
B4i
In-app purchases
DMS Converter
- DMS Converter Premium$5.00
B4i
No in-app purchases
