KobCard vs Gramvoice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KobCard
This app serves as a comprehensive platform for gift card information. It offers real-time exchange rates, price calculations, and the latest news related to gift cards, assisting users in buying, selling, or staying informed.
- Real-time gift card exchange rates
- Gift card price calculation
- Latest gift card news updates
- Information for buying and selling gift cards
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Your Ultimate Gift Card Information Hub Discover everything about gift cards on KobCard! We provide real-time exchange rates for all gift cards, help you calculate their prices, and keep you updated with the latest gift card news. Whether you're buying, selling, or just staying informed, KobCard is your go-to platform for all things gift cards.
Gramvoice
This VoIP application provides virtual phone numbers for individuals and businesses to make and receive calls worldwide. It allows users to manage multiple lines and maintain global connectivity.
- Virtual phone numbers
- Global calling
- Multiple line management
- VoIP communication
- Business and personal use
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Gramvoice is a VoIP app that gives individuals and businesses virtual phone numbers to make and receive calls globally. Manage multiple lines and stay connected anywhere.
Screenshots
Verdict
The clearest difference is review sentiment: KobCard at 83% against Gramvoice's 39%. KobCard also leads on rating (4.1 vs 2.7) and ratings volume (374 vs 23). 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.
KobCard holds the better App Store score, 4.1 against 2.7. That said, the two scores are not equally well evidenced: KobCard has 374 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 83% of KobCard's written reviews are positive against 39% of Gramvoice's.
KobCard ships an update every 3 weeks, Gramvoice every 2 months. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.
| Parameter | KobCard | Gramvoice |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (374 ratings) — better | 2.7 (23 ratings) |
| Positive reviews | 83.3% of reviews — better | 38.9% of reviews |
| Number of ratings | 374 — better | 23 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17 |
| Further details — not scored | ||
| Size | 44 MB | 62 MB |
| Age rating | 17+ | 4+ |
| Developer | KOB MARKETING | Etegram |
Customer experience
KobCard
Gramvoice
In-app purchases
KobCard
No in-app purchases
Gramvoice
No in-app purchases







