# DENRP Tip vs Project Monarch Science

The clearest difference is rating: DENRP Tip at 5.0 against Project Monarch Science's 4.0. DENRP Tip also leads on iOS requirement (13.0 vs 15.0). Project Monarch Science's advantage is update cadence (every 10 days vs every 2 months) and ratings volume (27 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DENRP Tip holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Project Monarch Science has 27 ratings behind it against 1, so its average is the more settled of the two.

DENRP Tip ships an update every 2 months, Project Monarch Science every 10 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DENRP Tip | Project Monarch Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/denrp-tip/id1370117392/reviews)** | [4.0 (27 ratings)](https://appshunter.io/ios/app/project-monarch-science/id6460006970/reviews) |
| Number of ratings | 1 | **27** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 37 MB | 83 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Citizen Observer LLC](https://appshunter.io/developer/446708354) | [Cellular Tracking Technologies](https://appshunter.io/developer/1588087267) |

## What reviewers say

### DENRP Tip

[App page](https://appshunter.io/ios/app/denrp-tip/id1370117392)

Submit anonymous tips to law enforcement agencies, including Fish & Wildlife and State Park Rangers. Stay informed with crime alerts and access agency web and social media content.

**Highlights:** Anonymous tip submission, Submit to multiple agencies, View crime alerts, Access agency web content, Access agency social media

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DENRP Tip free?

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

### Is Project Monarch Science free?

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

### Which has better reviews, DENRP Tip or Project Monarch Science?

DENRP Tip is rated higher. DENRP Tip averages 5.0 out of 5 from 1 ratings, while Project Monarch Science averages 4.0 from 27 ratings.

### Do DENRP Tip or Project Monarch Science have ads?

Neither DENRP Tip nor Project Monarch Science shows ads.

### Which is updated more often, DENRP Tip or Project Monarch Science?

DENRP Tip ships an update every 2 months, and Project Monarch Science every 10 days. Most recently, DENRP Tip was updated on October 10, 2026 and Project Monarch Science on October 25, 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.*