Comparison

BTSConnect vs Process Engineer Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BTSConnect

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The BTSConnect scanner app turns your device into a powerful portable scanner for your notes and notebooks and allows you to save them to multiple file formats including JPEG, PDF, and ZIP. This scanner is smart. You have to press the button and the scanner will do the rest for you. You can scan products from BTS Druckkompetenz GmbH. HOW DOES IT WORK? • Name your note • Scan one or more pages • That's it, your note is saved. BTSConnect will recognize which note format you are using, correct the perspective and sharpen the photo. The scanned note can have several pages. Now you can save it as a PDF at any time, and share it as a photo, PDF, or ZIP archive. You can reorganize, add, and delete pages. Create folders and subfolders, and organize your scanned notes however you like. Search will help you find the note quickly. And best of all: With the help of cloud technology, your notebooks are always available on any of your devices. The BTSConnect makes your notes scannable and reusable. It's environmentally friendly. Download BTSConnect to convert your notes into PDF and JPEG files wherever you are. Digitalize your notes, drawings, plans, and designs and have them all in one place. Easier than ever before.

About

Process Engineer Calc

Features
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ProcessCalc is an ad-free, offline-ready utility app designed specifically for chemical engineers, extraction technicians, and laboratory researchers. Whether you are scaling up a synthesis from bench to pilot scale, optimizing solvent recovery, or sizing a chiller for your jacketed reactor, this app provides 10 specialized engineering calculators to streamline your daily workflow. Key Calculators Included: • Solvent Recovery: Estimate evaporation rates and recovery times. • Chiller Sizing: Calculate required cooling capacity (kW) and tonnage. • Biomass Capacity & Yield: Optimize loading and predict expected yields. • Scale-up Predictor: Lab to production volume and flow rate scaling. • Condenser Area: Determine required heat transfer area. • Vapor Velocity: Avoid flooding in vacuum systems with min-ID calculations. • Pump Flow Rate: Quick displacement to LPM/LPH conversions. • Scaling Risk Predictor: Assess system scaling and maintenance needs. • Vacuum Diagnostic: Calculate rate-of-rise and system leak rates. • Compliance Map: Quick reference for global hemp/CBD regulations. App Features: Zero Ads: No pop-ups, no tracking, no subscriptions. Offline First: Works instantly in the lab or extraction facility where internet might be spotty. Favorites: Star your most-used tools for one-tap access. Practical: Built around real-world formulas used in extraction and chemical processing facilities. Designed by engineers, for engineers.

Screenshots

BTSConnect4 screens
Process Engineer Calc4 screens

Verdict

The call

The clearest difference is update cadence: Process Engineer Calc at every 10 days against BTSConnect's every 3 months. BTSConnect's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BTSConnect ships an update every 3 months, Process Engineer Calc every 10 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
BTSConnect versus Process Engineer Calc: the parameters behind the verdict, then further details
ParameterBTSConnectProcess Engineer Calc
PriceFreeFree
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better17.0
Further details — not scored
Size98 MB11 MB
Age rating4+4+
DeveloperBTS Druckkompetenz GmbH冯泰 蔡

In-app purchases

None

BTSConnect

No in-app purchases

None

Process Engineer Calc

No in-app purchases

Questions

Is BTSConnect free?
BTSConnect is free to download, with no in-app purchases.
Is Process Engineer Calc free?
Process Engineer Calc is free to download, with no in-app purchases.
Do BTSConnect or Process Engineer Calc have ads?
Neither BTSConnect nor Process Engineer Calc shows ads.
Which is updated more often, BTSConnect or Process Engineer Calc?
BTSConnect ships an update every 3 months, and Process Engineer Calc every 10 days. Most recently, BTSConnect was updated on October 27, 2026 and Process Engineer Calc on October 25, 2026.

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