# Forest Insect Pests vs Rockd

The clearest difference is update cadence: Rockd at every 3 months against Forest Insect Pests's every 45 months. Rockd also leads on ratings volume (187 vs 4) and iOS requirement (16.6 vs 18.6). Forest Insect Pests's advantage is rating (4.8 vs 4.4). 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.

Forest Insect Pests holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Rockd has 187 ratings behind it against 4, so its average is the more settled of the two.

Forest Insect Pests ships an update every 45 months, Rockd every 3 months. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Forest Insect Pests | Rockd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/forest-insect-pests/id575295408/reviews)** | [4.4 (187 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews) |
| Number of ratings | 4 | **187** |
| Positive reviews | — | 73.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 586 MB | 259 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charles T. Bargeron](https://appshunter.io/developer/381326173) | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) |

## What reviewers say

### Forest Insect Pests

[App page](https://appshunter.io/ios/app/forest-insect-pests/id575295408)

Identify common North American tree pests with detailed photos and life cycle information. This educational tool aids foresters and landscapers in recognizing insect damage and finding further resources.

**Highlights:** Pest identification photos, Life cycle information, Damage recognition, Resource links, North American focus

**Features:** macOS Compatibility

**In-app purchases:** none


### Rockd

[App page](https://appshunter.io/ios/app/rockd/id1153056624)

Discover and document the geology around you. Access global geologic maps, 3D globes, and detailed summaries of your surroundings. Contribute your own observations and track your exploration of Earth's geologic history.

**Highlights:** Interactive global geologic maps, 3D virtual globe exploration, Field observation logging, Offline map caching, Paleogeographic map access, Stratigraphic column viewing, Geologic literature integration

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

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive geological maps with detailed information
- 💡 Innovative integration of peer-reviewed references and literature
- 🧭 Built-in Brunton compass and clinometer tools
- 📱 User-friendly interface and intuitive navigation
- 🌍 Global coverage with paleomaps and stratigraphic data

**What reviewers complain about**

- 🐛 Black map display issues in offline and online modes
- 📍 GPS tracking and real-time position updates failing
- 🔌 Offline functionality severely limited or broken
- 🔐 Persistent login requirement without password saving
- ⚠️ Error dialogs that won't dismiss

**Reported bugs**

- Black map display in airplane mode and online
- Persistent error dialogs that cannot be dismissed
- GPS not tracking in real-time
- Offline check-ins not syncing properly
- Sign-up page jumps between fields and login page

**Requested features**

- Follow/friend mechanic to track other users' check-ins
- Rock identification tool from photo uploads
- Offline map download with customizable zoom levels
- Stereonet tool for structural geology
- Groundwater/aquifer information section


## Frequently asked questions

### Is Forest Insect Pests free?

Forest Insect Pests is free to download, with no in-app purchases.

### Is Rockd free?

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

### Which has better reviews, Forest Insect Pests or Rockd?

Forest Insect Pests is rated higher. Forest Insect Pests averages 4.8 out of 5 from 4 ratings, while Rockd averages 4.4 from 187 ratings.

### Do Forest Insect Pests or Rockd have ads?

Neither Forest Insect Pests nor Rockd shows ads.

### Which is updated more often, Forest Insect Pests or Rockd?

Forest Insect Pests ships an update every 45 months, and Rockd every 3 months. Most recently, Forest Insect Pests was updated on November 4, 2026 and Rockd on November 2, 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.*