Comparison

Vision Smarts vs OpenPPG

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

Head to head
About

Vision Smarts

Features
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Vision Smart's industrial grade barcode scanner can instantly read the following formats: EAN-13, UPC-A, EAN-8, UPC-E, EAN+2, EAN+5, Code 128, Code 39, Code 93, ITF, Code 25, Codabar, Telepen, QR codes, DataMatrix, and all GS1 Databar versions. Scan just one barcode or a batch of up to 20. Full screen scan, framed scan, or red line scan. Share the results with the standard action sheet (message, email, copy, save, send to other apps, etc.) At Vision Smarts we have been developing, refining, and optimizing barcode reader software since the early days of the App Store. The result is a set of powerful image processing algorithms that can quickly read barcodes in the most challenging conditions: damaged or faded barcodes, small or low-resolution print, low light, reflective or wrinkled surfaces, steep angles, etc. Our software libraries power our own apps. Many well-known brands in the retail, logistics, consumer goods, banking, telecom, food, and software industries license our white label SDK to build reliable barcode scanning apps for their employees and customers . Please check out our web site at www.visionsmarts.com and do not hesitate to contact us for more information.

About

OpenPPG

Features
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OpenPPG is a free, research-oriented iOS application designed to close the gap in accessible and transparent PPG data acquisition. Built by researchers for researchers, it enables recording of raw, high-quality photoplethysmography (PPG) signals directly from the smartphone camera, with full export for scientific analysis. Key Features โ€ข Raw signal access โ€“ capture unprocessed PPG waveforms with complete control over export (CSV format). โ€ข Flexible preprocessing โ€“ raw signals, basic and advanced filtering, signal quality assessment or fully calculated metrics in one app to enhance your research โ€ข Feature extraction โ€“ access directly over 11 automatically calculated temporal and morphological metrics without need for advanced signal processing โ€ข Metadata & annotations โ€“ mark events while taking measurements in real time and customise forms to fit your study protocol โ€ข Explainable pipeline โ€“ reproducible acquisition process with transparent documentation to ensure research reliability. Why OpenPPG? Most mobile tools restrict access to raw data, hide acquisition details, or require payment. OpenPPG removes these barriers by providing a free, standardised, and reproducible way to acquire PPG signals. It supports innovation in signal processing, machine learning, and digital biomarker discovery. Important: OpenPPG is intended solely for research purposes. It is not a medical device and must not be used for diagnosis, treatment, or patient self-monitoring.

Screenshots

Vision Smarts2 screens
OpenPPG4 screens

Verdict

The call

The clearest difference is update cadence: OpenPPG at monthly against Vision Smarts's every 4 months. Vision Smarts's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Vision Smarts ships an update every 4 months, OpenPPG monthly. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

Scorecard3 real differences ยท 3 level
Vision Smarts versus OpenPPG: the parameters behind the verdict, then further details
ParameterVision SmartsOpenPPG
PriceFreeFree
Update frequencyEvery 4 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS12.0 โ€” better17.6
Further details โ€” not scored
Size10 MB9 MB
Age rating4+4+
DeveloperVision Smartsresearch app

In-app purchases

None

Vision Smarts

No in-app purchases

None

OpenPPG

No in-app purchases

Questions

Is Vision Smarts free?
Vision Smarts is free to download, with no in-app purchases.
Is OpenPPG free?
OpenPPG is free to download, with no in-app purchases.
Do Vision Smarts or OpenPPG have ads?
Neither Vision Smarts nor OpenPPG shows ads.
Which is updated more often, Vision Smarts or OpenPPG?
Vision Smarts ships an update every 4 months, and OpenPPG monthly. Most recently, Vision Smarts was updated on September 17, 2026 and OpenPPG on September 24, 2026.

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