# Rockd vs PolliNation ID

The clearest difference is review sentiment: Rockd at 74% against PolliNation ID's 0%. Rockd also leads on rating (4.4 vs 3.0) and ratings volume (185 vs 1). PolliNation ID's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (13.2 vs 16.6). 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.

Rockd holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Rockd has 185 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 74% of Rockd's written reviews are positive against 0% of PolliNation ID's.

Rockd ships an update every 3 months, PolliNation ID every 5 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Rockd | PolliNation ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (185 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/pollination-id/id1509525273/reviews) |
| Number of ratings | **185** | 1 |
| Positive reviews | **73.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 259 MB | 72 MB |
| Requires iOS | 16.6 | **13.2** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [The University of Michigan](https://appshunter.io/developer/380339599) |

## What reviewers say

### 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


### PolliNation ID

[App page](https://appshunter.io/ios/app/pollination-id/id1509525273)

Contribute to a citizen science project by identifying and documenting native pollinators. Learn about their habits and habitats, and submit photos to help researchers understand their distribution.

**Highlights:** Identify native pollinators, Learn about habits and habitats, Submit photos of findings, Contribute to citizen science, Increase awareness of pollinators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rockd free?

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

### Is PolliNation ID free?

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

### Which has better reviews, Rockd or PolliNation ID?

Rockd is rated higher. Rockd averages 4.4 out of 5 from 185 ratings, while PolliNation ID averages 3.0 from 1 ratings.

### Do Rockd or PolliNation ID have ads?

Neither Rockd nor PolliNation ID shows ads.

### Which is updated more often, Rockd or PolliNation ID?

Rockd ships an update every 3 months, and PolliNation ID every 5 weeks. Most recently, Rockd was updated on October 13, 2026 and PolliNation ID on October 10, 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.*