WaterQuality vs Calibrate Training App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WaterQuality
This educational app allows users of all ages to record stream study data and learn about water quality indicators. It functions offline and includes a field guide for identifying aquatic macroinvertebrates to assess pollution tolerance. Data can be exported for scientific research or educational purposes.
- Record stream study data
- Learn about water quality indicators
- Offline functionality
- Macroinvertebrate field guide
- Data export (print/email)
- Site location recording
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The Water Quality Mobile App is designed for education or scientific research purposes. There are NO annoying advertisements. Users of all ages can record stream study data and learn about water quality indicators in learning pop-ups. Data can be recorded in a general or a Leaf Pack Network report. Stream study parameters include site location (lat. & long.), site profile information, water chemistries, physical stream data, aquatic macroinvertebrates, and much more! The macroinvertebrates section acts as a field guide of all of the major taxa used to calculate a pollution tolerance index. Pictures, sketches, short videos, and descriptions for identification are included for twenty-two macroinvertebrates. This app can be used in the field without WiFi or cell service. Once back to a WiFi or cell service area data can be exported as printed reports or emailed.
Calibrate Training App
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Inside the Calibrate Training App app, you can: Follow online training programs Receive notifications with the latest news and updates Save your favourite posts so you can quickly find them later END USER LICENSE AGREEMENT https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Calibrate Training App at Free against WaterQuality's $4.99. Calibrate Training App also leads on update cadence (fortnightly vs every 5 months). WaterQuality's advantage is in-app purchases (none vs 6) and chart position (#197 vs unranked). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Calibrate Training App is free to download; WaterQuality costs $4.99 up front. Calibrate Training App sells 6 one-off in-app purchases. WaterQuality asks for nothing beyond the download.
WaterQuality ships an update every 5 months, Calibrate Training App fortnightly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | WaterQuality | Calibrate Training App |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Best chart rank | #197 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 96 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Stroud Water Research Center | Harry Simington |
In-app purchases
WaterQuality
No in-app purchases
Calibrate Training App
- Shoulder Stability Program$29.00
- Advanced Baseball Pitching$59.00
- Calibrate Your Golf Swing$59.99
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- Golf Stability Program$59.99
- Baseball Pitching Program$59.99
- All Programs$99.00
Questions
Is WaterQuality free?
Is Calibrate Training App free?
Do WaterQuality or Calibrate Training App have ads?
Which is updated more often, WaterQuality or Calibrate Training App?
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