Vesta Authenticator vs Spam Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vesta Authenticator
This app provides multi-factor authentication by generating unique one-time codes to verify user identity before granting access to Vesta services. It enhances security by adding an extra layer of verification.
- Multi-factor authentication
- One-time code generation
- Identity verification
- Enhanced security
- Access confirmation
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The Vesta Authenticator app is a multi-factor authentication service that generates a unique one-time code that is used to confirm a user’s identity before being granted access to Vesta. (https://evv.vestaevv.com)
Spam Zero
Block unwanted spam calls with a vast database of known spammers. This privacy-focused app keeps all blocking data on your device, ensuring your calls and contacts remain private. Enjoy smart protection that distinguishes spam from important calls with an easy setup.
- Block 1M+ known spam numbers
- Complete privacy, no data collection
- Device-only call blocking
- Smart protection for important calls
- Automatic spam database updates
- Real-time call blocking
- Easy setup in minutes
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Tired of endless spam calls? Spam Zero gives you back control of your phone with powerful, privacy-focused call blocking. KEY FEATURES: • Massive Database: Protection from 1,000,000+ known spam numbers • Complete Privacy: We never see your calls or contacts • Device-Only: All data stays securely on your iPhone • Zero Data Collection: We never track or upload your information • Smart Protection: Blocks spam while letting important calls through • Easy Setup: Get protected in minutes PRIVACY FIRST Your privacy is our foundation. Spam Zero is designed with a strict privacy-first approach: • No access to your personal calls or contacts • All blocking happens directly on your device • No data collection or tracking • No cloud storage of your information POWERFUL PROTECTION • Automatic updates to spam number database • Real-time call blocking • Visual status monitoring • Protection status tracking • Simple, intuitive interface GET STARTED Download Spam Zero today and join thousands of users who've taken back control of their phone calls. Setup takes just minutes, and you'll be protected immediately. SUPPORT Need help? Questions? Contact our support team at hey@getspamzero.com Note: Spam Zero requires iOS call blocking permissions to function. Follow the in-app setup guide to enable all features.
Screenshots
Verdict
The clearest difference is rating: Spam Zero at 4.1 against Vesta Authenticator's 1.0. Spam Zero also leads on review sentiment (33% vs 0%) and update cadence (every 3 days vs every 6 months). Vesta Authenticator's advantage is iOS requirement (12.0 vs 17.2). 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.
Spam Zero holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Spam Zero has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Vesta Authenticator's written reviews are positive against 33% of Spam Zero's.
Vesta Authenticator ships an update every 6 months, Spam Zero every 3 days. The most recent releases landed on September 17, 2026 and July 22, 2026 respectively.
| Parameter | Vesta Authenticator | Spam Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.1 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 6 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 34 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | Datalogic Software, Inc. | Kavun, LLC |
Customer experience
Vesta Authenticator
Spam Zero
In-app purchases
Vesta Authenticator
No in-app purchases
Spam Zero
No in-app purchases
Questions
Is Vesta Authenticator free?
Is Spam Zero free?
Which has better reviews, Vesta Authenticator or Spam Zero?
Do Vesta Authenticator or Spam Zero have ads?
Which is updated more often, Vesta Authenticator or Spam Zero?
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