B4i vs Azmyth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Azmyth
This app transforms your iPhone into a precise field data collection tool for utility companies and engineers. It captures accurate GPS data and measurable imagery of infrastructure assets, streamlining audits and mapping. Enhanced accuracy is achievable when paired with an RTK GNSS receiver.
- Precise GPS data capture
- Measurable imagery of assets
- Record attachment heights and measurements
- Upload data instantly or offline
- Streamline infrastructure audits
- Asset mapping
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Azmyth on Foot (Azmyth) is the iOS app that turns your iPhone into a survey-grade field tool. Built for utility companies, telecom providers, and engineers, Azmyth captures precise GPS data and measurable imagery for power poles and infrastructure assets. Pair it with an RTK GNSS receiver such as the Emlid Reach RX to achieve horizontal accuracy within half an inch. With Azmyth on Foot, you can: - Collect and upload iPhone imagery directly to the Azmyth desktop platform - Record attachment heights, pole measurements, and spans - Upload data instantly or store offline and sync later - Streamline make-ready assessments, infrastructure audits, and asset mapping Whether you search for Azmyth or Azmyth on Foot, you’ll find the same powerful app designed to simplify field data collection and deliver survey-grade accuracy from your iPhone.
Screenshots
Verdict
The clearest difference is rating: Azmyth at 5.0 against B4i's 3.5. Azmyth also leads on update cadence (weekly vs every 3 months). B4i's advantage is iOS requirement (15.0 vs 17.6). On price, review sentiment, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
Azmyth holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
B4i ships an update every 3 months, Azmyth weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | B4i | Azmyth |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 17 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Erel Uziel | Zachary Young |
Customer experience
B4i
Azmyth
In-app purchases
B4i
No in-app purchases
Azmyth
No in-app purchases
