Process & Control Engineering vs Level One
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.
Level One
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80G 雷达物位计，液位计，蓝牙调试软件,雷达物位计，液位计，超声
Screenshots
Verdict
Process & Control Engineering and Level One 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.
Process & Control Engineering ships an update every 7 months, Level One every 5 months. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.
| Parameter | Process & Control Engineering | Level One |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 31 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Datateam Business Media Ltd | Zhidu Zhou |
In-app purchases
Process & Control Engineering
No in-app purchases
Level One
No in-app purchases
Questions
Is Process & Control Engineering free?
Is Level One free?
Do Process & Control Engineering or Level One have ads?
Which is updated more often, Process & Control Engineering or Level One?
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