PRO vs OneCap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PRO
This app provides access to a comprehensive range of home safety test kits. These kits accurately measure dangerous pollutants and contaminants in your home or office. All analyses are conducted by accredited laboratories using approved methods.
- Home safety test kits
- Pollutant measurement
- Contaminant detection
- Laboratory analysis
- Non-toxic kits
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PRO-LAB is a leading manufacturer of a complete line of home safety test kits. Each test kit provides precise measurement of specific life threatening pollutants. PRO-LAB test kits contain all of the necessary materials to detect contaminants within the home or office. All analyses are performed by recognized laboratories in compliance with state and Federal laboratory methods. PRO-LAB is an environmentally conscious company and all of our test kits are consumer friendly and completely non-toxic; and PRO-LAB is not owned or beholden to any company selling pollution abatement services or air and/or water treatment devices.
OneCap
This app offers a secure way to scan documents and extract text directly on your device, ensuring complete privacy. It provides fast, accurate scanning and PDF creation without needing an internet connection.
- On-device processing for privacy
- Fast and accurate scanning
- Text recognition (OCR)
- Seamless PDF creation
- Offline functionality
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Stop worrying about your documents being uploaded or analyzed in the cloud. Our app processes everything directly on your device, ensuring your scans and text remain 100% private. Enjoy lightning-fast scanning, accurate text recognition, and seamless PDF creation — all without an internet connection.
Screenshots
Verdict
The clearest difference is update cadence: OneCap at every 2 days against PRO's every 5 weeks. On price, ads, in-app purchases and monetization model 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.
PRO ships an update every 5 weeks, OneCap every 2 days. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.
| Parameter | PRO | OneCap |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 4.1% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 5 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Professional Laboratories | Evan Pendleton |
Customer experience
PRO
OneCap
Bugs and requests
PRO
Reported bugs
3 issues- Registration process doesn't work
- App crashes on certain devices
- Incompatible with current OS versions
Requested features
3 requests- Ability to save and view historical test results
- Option to pay for tests through the app
- Support for Canadian addresses and postal codes
OneCap
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PRO
No in-app purchases
OneCap
No in-app purchases
