iSpeed Boost vs Gramvoice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSpeed Boost
Receive OTPs and verify online accounts using virtual numbers from multiple countries. Protect your personal information and reduce spam with fast, secure, and reliable verification services.
- Global virtual numbers
- Secure OTP reception
- Privacy protection
- Fast verification
- Account management
- 24/7 support
Read full descriptionHide full description
iSpeedboot: Secure Online Number and OTP Verification iSpeedboot provides a fast, secure, and reliable way to receive OTPs and verify online accounts using virtual numbers while protecting your personal information. Global Virtual Numbers Access virtual numbers from multiple countries, including the USA, UK, and Canada. Receive OTPs quickly and securely for supported online services. Use temporary numbers to keep your personal number private. Privacy and Security Keep your personal number confidential. Strong privacy practices and a dedicated verification system. Reduce spam and unwanted contacts. Fast and Reliable Verification Instant number activation where supported. Quick and dependable OTP delivery. Smooth experience for online account verifications. Account Control Manage your virtual numbers in one place. Delete your account directly in the app at any time. Clear and transparent privacy and data practices. Support Help is available 24/7 for setup, troubleshooting, and account management. Why Choose iSpeedboot Virtual numbers that are reliable, fast, and secure. OTP verification that is simple and privacy focused. Account control with clear user rights. Trusted transactions and strong security. Get Started Today Create your account and verify securely with iSpeedboot.
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
Read full descriptionHide full description
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 update cadence: Gramvoice at every 2 months against iSpeed Boost's every 11 months. Gramvoice also leads on ratings volume (23 vs 1). iSpeed Boost's advantage is rating (3.0 vs 2.7) and iOS requirement (15.0 vs 17). 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.
iSpeed Boost holds the better App Store score, 3.0 against 2.7. That said, the two scores are not equally well evidenced: Gramvoice has 23 ratings behind it against 1, so its average is the more settled of the two.
iSpeed Boost ships an update every 11 months, Gramvoice every 2 months. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.
| Parameter | iSpeed Boost | Gramvoice |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | 2.7 (23 ratings) |
| Positive reviews | — | 38.9% of reviews |
| Number of ratings | 1 | 23 — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17 |
| Further details — not scored | ||
| Size | 20 MB | 62 MB |
| Age rating | 17+ | 4+ |
| Developer | GEN1 SOLUTIONS LIMITED | Etegram |
Customer experience
iSpeed Boost
Gramvoice
In-app purchases
iSpeed Boost
No in-app purchases
Gramvoice
No in-app purchases
