# Redmap vs The Waterbug App

The clearest difference is update cadence: Redmap at fortnightly against The Waterbug App's every 9 months. Redmap also leads on review sentiment (100% vs 88%) and iOS requirement (10.0 vs 15.0). 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.

Redmap ships an update fortnightly, The Waterbug App every 9 months. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Redmap | The Waterbug App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/redmap/id720634088/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Free | Free |
| Size | 30 MB | 59 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Condense Pty Ltd](https://appshunter.io/developer/1385358480) | [Michael Sharman](https://appshunter.io/developer/926215556) |

## What reviewers say

### Redmap

[App page](https://appshunter.io/ios/app/redmap/id720634088)

Contribute to marine science by logging sightings of uncommon marine species in Australian waters. Expert scientists verify your observations, helping to map species distribution shifts in response to environmental changes. Explore species information and build your personal sighting map.

**Highlights:** Log uncommon marine species sightings, Expert scientific verification, Map species distribution changes, View species information and photos, Build personal sighting catalogue, Citizen science contribution

**In-app purchases:** none


### The Waterbug App

[App page](https://appshunter.io/ios/app/the-waterbug-app/id926215557)

Identify freshwater invertebrates found in Australian waterways. Assess the health of rivers, creeks, and wetlands by observing these creatures. Contribute your findings to a national citizen science program.

**Highlights:** Waterbug identification, River health assessment, Citizen science contribution, Data submission, Australian freshwater invertebrates

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

**In-app purchases:** none


## Frequently asked questions

### Is Redmap free?

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

### Is The Waterbug App free?

The Waterbug App is free to download, with no in-app purchases.

### Do Redmap or The Waterbug App have ads?

Neither Redmap nor The Waterbug App shows ads.

### Which is updated more often, Redmap or The Waterbug App?

Redmap ships an update fortnightly, and The Waterbug App every 9 months. Most recently, Redmap was updated on September 28, 2026 and The Waterbug App 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.*