Proof Authentication vs Smiley ValiGate® Verifier
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proof Authentication
Verify product authenticity instantly by scanning official security marks. Ensure your purchases are genuine with rapid and accurate authentication. Look for the Proof Security Mark on select consumer goods.
- Instant product authentication
- Scan Official Proof Security Marks
- High accuracy verification
- Fast results
- Supports selected consumer items
Read full descriptionHide full description
Proof allows you to authenticate the products you buy with unprecedented speed and accuracy. By simply holding the Proof App over any Official Proof Security Mark you will know within seconds that the product you have purchased is 100% authentic. Look for the Proof Security Mark on selected consumer items.
Smiley ValiGate® Verifier
Read full descriptionHide full description
Easily verify the originality of your product. Simply scan the QR-Code on your product and get the confirmation of originality. Receive insight information about Smiley's brand and your product after the originality check. Get in touch with the brand owner and send reports. ValiGate® is a security marking developed by leading security solution provider SCRIBOS GmbH. The QR-Code on your product contains a specific security feature analyzed by the App.
Screenshots
Verdict
The clearest difference is iOS requirement: Smiley ValiGate® Verifier at 14.0 against Proof Authentication's 17.6. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Proof Authentication ships an update every 2 months, Smiley ValiGate® Verifier every 3 months. The most recent releases landed on October 11, 2026 and September 25, 2026 respectively.
| Parameter | Proof Authentication | Smiley ValiGate® Verifier |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 75 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Proof Authentication Corporation | scribos GmbH |
In-app purchases
Proof Authentication
No in-app purchases
Smiley ValiGate® Verifier
No in-app purchases
Questions
Is Proof Authentication free?
Is Smiley ValiGate® Verifier free?
Do Proof Authentication or Smiley ValiGate® Verifier have ads?
Which is updated more often, Proof Authentication or Smiley ValiGate® Verifier?
Other comparisons
