Compare Flow vs Pipe Hydraulic Network Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compare Flow
This application helps engineers and designers evaluate the hydraulic flow capacity of various non-pressure sewer pipe types. It allows for comparisons between different pipe geometries and materials, including concrete, thermoplastic, and metal options.
- Manning's Formula calculation
- Compare hydraulic flow capacity
- Evaluate pipe geometry alternatives
- Compare pipe material options
- Supports concrete, thermoplastic, and metal pipes
- Circular, elliptical, arch, and box sections
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Compare Flow app uses Manning's Formula, the most widely accepted formula for evaluating the hydraulic capacity of non-pressure sewers. In order to evaluate possible alternatives in either pipe geometry or material, use this app to compare the hydraulic flow capacity among various concrete pipes including circular, elliptical, arch and box sections with circular thermoplastic and corrugated metal pipes.
Pipe Hydraulic Network Viewer
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Visualize and analyze hydraulic network models on your iPhone and iPad. HydroViewer brings the power of EPANET simulation to mobile devices for water engineers and utility professionals. Features: • Import .inp files from Files app, email, or AirDrop • Interactive network visualization with zoom and pan • Run full EPANET 2.0 hydraulic simulations • View detailed results for nodes, pipes, pumps, valves, and tanks • Tap any element to see properties and calculated values • Supports both English and Spanish • Works offline - no internet required
Screenshots
Verdict
The clearest difference is in-app purchases: Compare Flow at none against Pipe Hydraulic Network Viewer's 1. Pipe Hydraulic Network Viewer's advantage is update cadence (every 6 weeks vs every 32 months). On price, ads, device support and iOS requirement 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
Both are free to download. Pipe Hydraulic Network Viewer sells 1 one-off in-app purchase. Compare Flow asks for nothing beyond the download.
Compare Flow ships an update every 32 months, Pipe Hydraulic Network Viewer every 6 weeks. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.
| Parameter | Compare Flow | Pipe Hydraulic Network Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 32 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | iENGINEERING Corporation | Transparent Blue Water LLC |
In-app purchases
Compare Flow
No in-app purchases
Pipe Hydraulic Network Viewer
- HydroViewer Pro$2.99
Questions
Is Compare Flow free?
Is Pipe Hydraulic Network Viewer free?
Do Compare Flow or Pipe Hydraulic Network Viewer have ads?
Which is updated more often, Compare Flow or Pipe Hydraulic Network Viewer?
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