B4i vs Map Paint
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.
Map Paint
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It is an application that you can paint on the map Note The position of the map may shift slightly when reloading the saved data The map when edited is slightly different from the imaged map Mercator projection enlarges the map at high latitudes, so areas with different latitudes cannot be compared correctly
Screenshots
Verdict
The clearest difference is price: B4i at Free against Map Paint's $0.99. B4i also leads on update cadence (every 3 months vs every 37 months). On ads, in-app purchases, device support and iOS requirement 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
B4i is free to download; Map Paint costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
B4i ships an update every 3 months, Map Paint every 37 months. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.
| Parameter | B4i | Map Paint |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months — better | Every 37 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Erel Uziel | Kouichi INAFUKU |
In-app purchases
B4i
No in-app purchases
Map Paint
No in-app purchases
