Wastewater Manager vs OTCO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wastewater Manager
This app provides over 75 essential formulas for wastewater operators and engineers. It simplifies daily lab work and troubleshooting by organizing calculations by process type. Answers can be easily emailed for sharing.
- Over 75 wastewater formulas
- Organized by process type
- English measurements only
- Email answers
- Troubleshooting assistance
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This app is designed for wastewater operators and engineers who need easy to use formulas for daily lab work or troubleshooting problems. There are over 75 formulas for calculating wastewater processes. The formulas are organized by process type. This app only uses English measurements. Answers can be emailed. You can view an online demo at h3apps.com.
OTCO
Stay informed about water and wastewater industry training with up-to-date notifications. Access exclusive discount codes for events and register directly through the app. View informative videos and connect with professionals in the field.
- Training notifications
- Event discount codes
- Event registration
- Video library
- Push notifications
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This app will help in the water & wastewater fields to be able to receive up-to-date notifications on our trainings. We will offer discount codes for events for those who download our app to be able register through this app. People will be able to view videos directly from our app. We will offer push notification through this app. We hope this app will connect with those wanting to know more about the water & wastewater fields, backflow trainings, Sewage Treatment System licenses & GIP mapping.
Screenshots
Verdict
The clearest difference is price: OTCO at Free against Wastewater Manager's $8.99. OTCO also leads on rating (5.0 vs 4.5). Wastewater Manager's advantage is chart position (#132 vs unranked) and iOS requirement (12.0 vs 14.0). On ratings volume, ads, in-app purchases 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
OTCO is free to download; Wastewater Manager costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OTCO holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
| Parameter | Wastewater Manager | OTCO |
|---|---|---|
| Price | $8.99 | Free — better |
| Rating | 4.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #132 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 32 MB | 248 MB |
| Age rating | 4+ | 17+ |
| Developer | H3Apps LLC | OPERATOR TRAINING COMMITTEE OF OHIO, INC. |
Customer experience
Wastewater Manager
OTCO
In-app purchases
Wastewater Manager
No in-app purchases
OTCO
No in-app purchases
