# HeatSiecker vs showNAV

The clearest difference is rating: showNAV at 5.0 against HeatSiecker's 4.0. On price, ratings volume, update cadence and ads there is nothing between them.

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

showNAV holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

HeatSiecker ships an update every 2 months, showNAV monthly. Both last shipped on October 7, 2026.

## The numbers

| Metric | HeatSiecker | showNAV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/heatsiecker/id1481223172/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shownav/id6746455344/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 35 MB | 26 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brent Sieck](https://appshunter.io/developer/1481223171) | [SHOWNAV INC.](https://appshunter.io/developer/1817017350) |

## What reviewers say

### HeatSiecker

[App page](https://appshunter.io/ios/app/heatsiecker/id1481223172)

This app connects to a wearable patch on cows to monitor mounting activity. It provides real-time data on heat cycles, helping farmers determine the optimal time for breeding. Users can scan patches, pair them with cow IDs, create breeding groups, and receive text updates.

**Highlights:** Monitor mounting activity, Accurate time and date of activity, Scan patch and pair with ID, Create breeding groups, Receive text updates

**Features:** macOS Compatibility

**In-app purchases:** none


### showNAV

[App page](https://appshunter.io/ios/app/shownav/id6746455344)

This app streamlines entertainment production logistics by allowing teams to create and share location directories. Crew members can navigate directly to destinations using GPS coordinates for enhanced accuracy and efficiency.

**Highlights:** Create location directories, Direct crew navigation, GPS coordinate destinations, Improved accuracy, Auto-generated maps

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeatSiecker free?

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

### Is showNAV free?

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

### Which has better reviews, HeatSiecker or showNAV?

showNAV is rated higher. HeatSiecker averages 4.0 out of 5 from 1 ratings, while showNAV averages 5.0 from 1 ratings.

### Do HeatSiecker or showNAV have ads?

Neither HeatSiecker nor showNAV shows ads.

### Which is updated more often, HeatSiecker or showNAV?

HeatSiecker ships an update every 2 months, and showNAV monthly. Most recently, HeatSiecker was updated on October 7, 2026 and showNAV on October 7, 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.*