# B4i vs Koordinator

The clearest difference is update cadence: Koordinator at every 5 weeks against B4i's every 3 months. B4i's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

B4i ships an update every 3 months, Koordinator every 5 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | B4i | Koordinator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/b4i-coordinates-calculator/id915366768/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 17 MB | 9 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Erel Uziel](https://appshunter.io/developer/915366771) | [Markus Birkner](https://appshunter.io/developer/1534205038) |

## What reviewers say

### 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


### Koordinator

[App page](https://appshunter.io/ios/app/koordinator/id6762079713)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is B4i free?

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

### Is Koordinator free?

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

### Do B4i or Koordinator have ads?

Neither B4i nor Koordinator shows ads.

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

B4i ships an update every 3 months, and Koordinator every 5 weeks. Most recently, B4i was updated on October 2, 2026 and Koordinator 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.*