# Project Monarch Science vs Insect Sound Identification

The clearest difference is rating: Project Monarch Science at 4.0 against Insect Sound Identification's 1.0. Project Monarch Science also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Project Monarch Science holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Project Monarch Science has 29 ratings behind it against 3, so its average is the more settled of the two.

Project Monarch Science ships an update every 10 days, Insect Sound Identification fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Project Monarch Science | Insect Sound Identification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (29 ratings)](https://appshunter.io/ios/app/project-monarch-science/id6460006970/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/insect-sound-identification/id6737462050/reviews) |
| Number of ratings | **29** | 3 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 83 MB | 36 MB |
| Requires iOS | **15.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cellular Tracking Technologies](https://appshunter.io/developer/1588087267) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Project Monarch Science

[App page](https://appshunter.io/ios/app/project-monarch-science/id6460006970)

This app transforms your smartphone into a receiver for tiny tracking devices attached to monarch butterflies. By crowdsourcing data, it helps scientists monitor butterfly migration patterns in unprecedented detail, aiding conservation efforts.

**Highlights:** Crowdsourced tracking network, Monarch butterfly migration monitoring, Detailed movement data, Habitat conservation insights, Utilizes Bluetooth frequency, Citizen science participation

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

**In-app purchases:** none


### Insect Sound Identification

[App page](https://appshunter.io/ios/app/insect-sound-identification/id6737462050)

Identify various insects by analyzing the sounds they make. This utility app helps distinguish between crickets, mosquitoes, flies, bees, and other common insects through audio recognition.

**Highlights:** Identify insect sounds, Recognize crickets, Detect mosquitoes, Identify flies, Identify bees

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Project Monarch Science free?

Project Monarch Science is free to download, with no in-app purchases.

### Is Insect Sound Identification free?

Insect Sound Identification is free to download, with no in-app purchases.

### Which has better reviews, Project Monarch Science or Insect Sound Identification?

Project Monarch Science is rated higher. Project Monarch Science averages 4.0 out of 5 from 29 ratings, while Insect Sound Identification averages 1.0 from 3 ratings.

### Do Project Monarch Science or Insect Sound Identification have ads?

Insect Sound Identification shows ads; Project Monarch Science does not.

### Which is updated more often, Project Monarch Science or Insect Sound Identification?

Project Monarch Science ships an update every 10 days, and Insect Sound Identification fortnightly. Most recently, Project Monarch Science was updated on November 3, 2026 and Insect Sound Identification on October 30, 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.*