# NatureMapr data collector vs Cephas BJJ

The clearest difference is monetization model: NatureMapr data collector at free against Cephas BJJ's ad-supported. NatureMapr data collector also leads on iOS requirement (12.2 vs 15.0). Cephas BJJ's advantage is review sentiment (100% vs 91%). On price, update cadence, ads and in-app purchases there is nothing between them.

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

NatureMapr data collector ships an update every 6 weeks, Cephas BJJ every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | NatureMapr data collector | Cephas BJJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cephas-bjj/id6560104961/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 91.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 158 MB | 64 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [at3am IT Pty Ltd](https://appshunter.io/developer/995856272) | [Tapp, LLC](https://appshunter.io/developer/1466940621) |

## What reviewers say

### NatureMapr data collector

[App page](https://appshunter.io/ios/app/naturemapr-data-collector/id1042299523)

This application allows users to report observations of plants and animals across Australia. The collected data is then shared with relevant government agencies, researchers, and environmental organizations. It's designed for community members, students, and professionals alike to contribute to environmental monitoring.

**Highlights:** Report plant and animal sightings, Data shared with government and researchers, Contribute to environmental monitoring, Australian-made and hosted, Suitable for all community members

**Features:** Vision Pro support

**In-app purchases:** none


### Cephas BJJ

[App page](https://appshunter.io/ios/app/cephas-bjj/id6560104961)

Stay updated with your martial arts academy's news, announcements, and schedule changes. Access technique videos, check into classes, and track your progress with awards.

**Highlights:** News and announcements, Schedule updates, Technique videos, Class check-in, Progress tracking, Award system

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

**In-app purchases:** none


## Frequently asked questions

### Is NatureMapr data collector free?

NatureMapr data collector is free to download, with no in-app purchases.

### Is Cephas BJJ free?

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

### Do NatureMapr data collector or Cephas BJJ have ads?

Neither NatureMapr data collector nor Cephas BJJ shows ads.

### Which is updated more often, NatureMapr data collector or Cephas BJJ?

NatureMapr data collector ships an update every 6 weeks, and Cephas BJJ every 2 months. Most recently, NatureMapr data collector was updated on October 27, 2026 and Cephas BJJ on October 27, 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.*