# Bat Detector vs Equidemia

The clearest difference is in-app purchases: Bat Detector at none against Equidemia's 6. Bat Detector also leads on update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Equidemia sells 6 one-off in-app purchases. Bat Detector asks for nothing beyond the download.

Bat Detector ships an update monthly, Equidemia every 6 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Bat Detector | Equidemia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bat-detector/id6504186190/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | — |
| Size | 136 MB | 58 MB |
| Requires iOS | **15** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Phil Atkin](https://appshunter.io/developer/1751268739) | [Celina Skogan](https://appshunter.io/developer/1811587280) |

## What reviewers say

### Bat Detector

[App page](https://appshunter.io/ios/app/bat-detector/id6504186190)

Listen to and record the ultrasonic sounds of bats using your iPhone or iPad. This app reveals bat acoustics through heterodyne detection and 16x time expansion, making their calls audible and musical. It also offers full-spectrum recordings triggered by bat sounds.

**Highlights:** Heterodyne bat detection without manual tuning, 16x time expansion for audible bat sounds, Full-spectrum recordings triggered by bat sounds, Real-time sound demodulation, Preserves harmonic relationships in bat calls, Supports European and global microbats

**In-app purchases:** none


### Equidemia

[App page](https://appshunter.io/ios/app/equidemia/id6745263937)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Podcast Horsefriends | Free | one-time |
| Gut Health Guide | Free | one-time |
| Magen - Guide | Free | one-time |
| Equidemia | Free | one-time |
| Die natürliche Schiefe | Free | one-time |
| Equidemia Training Diary 2025 | $34.90 | one-time |


## Frequently asked questions

### Is Bat Detector free?

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

### Is Equidemia free?

Equidemia is free to download, with in-app purchases available.

### Do Bat Detector or Equidemia have ads?

Neither Bat Detector nor Equidemia shows ads.

### Which is updated more often, Bat Detector or Equidemia?

Bat Detector ships an update monthly, and Equidemia every 6 months. Most recently, Bat Detector was updated on October 2, 2026 and Equidemia 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.*