Compare Flow vs Cometal
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.
Cometal
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Cometal, a leading manufacturer of impact sprinklers, hydraulic valves and accessories launches a functional and modern solution intended for users of its products. This Technical Manual provides the tools necessary for proper selection and use of equipment Cometal. The application includes assembly drawings of the most common equipment, technical specifications of all products and a utility program that lets you select the valve or sprinkler that best suits the requirements of each installation as well as a handy unit converter.
Screenshots
Verdict
The clearest difference is update cadence: Cometal at every 6 months against Compare Flow's every 32 months. Cometal also leads on iOS requirement (11.0 vs 15.1). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Compare Flow ships an update every 32 months, Cometal every 6 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.
| Parameter | Compare Flow | Cometal |
|---|---|---|
| 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 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | iENGINEERING Corporation | Im3diA comunicación |
In-app purchases
Compare Flow
No in-app purchases
Cometal
No in-app purchases
