# The Waterbug App vs AC Lab System

The clearest difference is review sentiment: The Waterbug App at 88% against AC Lab System's 40%. AC Lab System's advantage is update cadence (monthly vs every 9 months) and iOS requirement (13.4 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.

The Waterbug App ships an update every 9 months, AC Lab System monthly. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | The Waterbug App | AC Lab System |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **87.5% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Free | Free |
| Size | 59 MB | 19 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Sharman](https://appshunter.io/developer/926215556) | [UniLab Pty Ltd](https://appshunter.io/developer/1444830915) |

## What reviewers say

### 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


### AC Lab System

[App page](https://appshunter.io/ios/app/ac-lab-system/id1084979585)

Manage and book research equipment, access detailed records, and stay updated on lab news. This application facilitates efficient resource allocation and information dissemination within research environments.

**Highlights:** Schedule and book research equipment, Access and search equipment information, View research records, Receive lab, institute, and supplier news, Get updates on technology, seminars, and products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Waterbug App free?

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

### Is AC Lab System free?

AC Lab System is free to download, with no in-app purchases.

### Do The Waterbug App or AC Lab System have ads?

Neither The Waterbug App nor AC Lab System shows ads.

### Which is updated more often, The Waterbug App or AC Lab System?

The Waterbug App ships an update every 9 months, and AC Lab System monthly. Most recently, The Waterbug App was updated on October 10, 2026 and AC Lab System on October 21, 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.*