Process & Control Engineering vs SIERRA VALVES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Process & Control Engineering
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Process & Control Engineering is a leading publication and have been serving the process industries for 45 years. Our readers are engineers, managers and senior executives who have a purchasing and/or specifying responsibility for control, instrumentation and process products, equipment, systems and services. Our readers work within these industries: Energy & Renewables, Food & Beverage, HVAC, Industrial, Mining, Oil & Gas, Petrochemical & Chemical, Pharmaceutical, Power Generation & Nuclear, Paper & Pulp, Subsea & Offshore, Water & Waste Water We have a print & digitally-enabled, multi-channel distribution network – reaching up to 38,000 monthly readers and followers.
SIERRA VALVES
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SIERRA valves app enables users to experience the full range of products (Water valves - Wastewater valves) and know more about its technical details. Full range covers valves that manually, hydraulically, electrically and automatically actuated. Through the app users will be able to enjoy below features: - Know more about SIERRA valves technical information - Request for quotation for specific model - Watch valves 3D animation videos and photos - Download specifications, Materials and catalogue - Send us a message - Know first about our latest news & events - Share the app download link with your contacts Sierra is an experienced and professional manufacturer of valves. We provide probably the most comprehensive range of valves for the water, wastewater and irrigation industry in Egypt. With a broad range of products, from butterfly valves, to check valves and automatic control valves SIERRA has the right product for every job. Our scope covers design and manufacturing of valves, installation and commissioning, training and after sale support. We have engineering expertise to configure products to specifically match our customer’s requirements
Screenshots
Verdict
Process & Control Engineering and SIERRA VALVES are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.
| Parameter | Process & Control Engineering | SIERRA VALVES |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Datateam Business Media Ltd | SIERRA FOR ENGINEERING AND MANUFACTURING |
In-app purchases
Process & Control Engineering
No in-app purchases
SIERRA VALVES
No in-app purchases
Questions
Is Process & Control Engineering free?
Is SIERRA VALVES free?
Do Process & Control Engineering or SIERRA VALVES have ads?
Which is updated more often, Process & Control Engineering or SIERRA VALVES?
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