Flash Number vs Second Phone Number Calling
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Number
Create disposable phone numbers to protect your personal number for business, online sales, or dating. Enjoy secure, encrypted communication with features like call rerouting, texting with images, and voicemail. Offers a free trial with flexible subscription and credit plans.
- Disposable phone numbers
- Call rerouting
- Texting with images
- Voicemail support
- Block/unblock numbers
- Flexible notification control
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Do you want to have an alternative to protect your personal phone number? Would you like to have a business that needs multiple phone numbers to work with? Then, Flash Number is here for you. You may create one or multiple disposable phone numbers for business, dating, or buying and selling items on second-hand marketplaces like Craigslist, Offerup, Letgo, and Facebook Marketplace. Unlike other apps that use fake numbers with spamming calls, showing you ads and selling your data, we treat your privacy and security as our #1 priority. All texts are encrypted and secured on the server-side. The numbers may be deleted at any time. Flash Number starts with a free-to-use number for 7 days. After that, you may continue to use the number by choosing a plan that suits you. You may also purchase multiple numbers at the same time. FEATURES Flash Number is a fully-featured second phone number app the followings: • Incoming calls to Flash Number is rerouted to your cell phone without exposing your real personal number. • Sending and receiving texts with images. • Voicemail support. • Block & unblock incoming numbers. • Mute and unmute. When the Flash number is muted, it no longer rings. • Flexible notification control for incoming text and phone numbers. • Recycle the number at any time. PLANS There are two types of plans, Credits and Subscriptions. Both have an unlimited number of texts and calls. The Credit plan has an expiration time while the Subscription plan does not as long it is active. Subscriptions automatically billed monthly or annually to your iTunes Account and auto-renew, unless you turn off auto-renew at least 24-hours before the end of the current period. Payment will be charged to iTunes Account at confirmation of purchase. Here are the variations: • Monthly Subscription - $4.49/month • Yearly Subscription - $47.99/year (Huge discount with original price $59.88) • Credit - $4.99 for 30 days. The number will be recycled if it is not manually renewed. IMPORTANT INFORMATION: Not for 911 emergency services. May not work with SMS shortcode services. Works in the US and Canada only. Terms & Conditions: http://www.flashnumberapp.com/terms-conditions.html Privacy Policy: http://www.flashnumberapp.com/privacy-policy.html COPYRIGHT © 2020 Lubap LLC. All rights reserved. The Flash Number name, associated trademarks, and logos are trademarks of Lubap LLC or related entities.
Second Phone Number Calling
This app provides a private, secondary phone number on your existing device, allowing for unlimited calls and texts without an extra SIM. Protect your primary number from spam and manage work-life balance effectively with flexible calling and messaging features.
- Get verified USA phone numbers
- Unlimited local and international calls
- Send SMS and view message history
- Send FAX worldwide
- Block undesirable phone numbers
- Name Number feature for identification
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Save up to 72% on outbound calls to USA and Canada phone numbers (landlines or mobiles). Our service works through WiFi or cellular data (not included). Receive calls from any country code (landlines or mobiles). Outbound calls are just for USA and Canada phone numbers (landlines, mobiles or toll-free). Keep your privacy uncompromised, protect your identity, and reduce the risk of spam or harassment on your primary line. Enhance your work-life, balance and organized without an extra SIM or device. Private, Practical, flexible, versatile. Our app is your best extra phone number in your pocket. Don’t buy additional SIM cards with exorbitant bills if you want an extra phone number. We provide an extra phone line through an additional phone number. Take your business phone line with you without an extra device nor extra SIM-card. Buy a verified USA phone number and call with the best rates in the market. Let our service maintain your business communications, and avoid changing the phone number in the future. Protect your personal number to keep in touch with your family and friends. • Send SMS (to USA numbers only) and FAX as easily as ever. • Receive SMS (from USA numbers only) • Light and dark mode included. • Keep in touch with customers using your same personal device. • We deliver your calls, texts, and faxes, with outstanding coverage and quality. No more landlines and desk phones. FEATURES: • Get verified extra phone numbers from USA. • Save up to 72% on outbound calls to USA and Canada phone numbers (Outbound calls are just for USA and Canada phone numbers: landlines, mobiles or toll-free). • Receive calls from any country code (landlines or mobiles). • Send SMS (USA numbers only) and view message history. • Receive SMS (from USA numbers only) • Send FAX worldwide. • Access your contacts list from your personal device and synchronize it with the app. • Block undesirable phone numbers. • Add an extra verified USA number with just a few taps and delete it if you don’t need it anymore. • Keep your purchased phone numbers as long as you want. No contracts needed. • Identify your numbers and find them easily using the Name Number feature. * +60 minutes daily for outbound calls to USA and Canada phone numbers only (some carriers and area codes may vary their rates). ** You can switch the phone number included in your subscription for a $5.99 one-time fee; the new phone number will be added to your current subscription. Terms of use: http://second-phone.com/terms Privacy Policy: http://second-phone.com/policy Download and Save!
Screenshots
Verdict
The clearest difference is review sentiment: Second Phone Number Calling at 94% against Flash Number's 51%. Second Phone Number Calling also leads on rating (4.5 vs 4.1) and update cadence (every 3 weeks vs every 3 months). Flash Number's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (10.3 vs 15.0). On price, ads, in-app purchases and device support 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. Flash Number sells 4 in-app purchases, starting at $4.49 per month and Second Phone Number Calling sells 8 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Second Phone Number Calling holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 173 and 653 respectively. Written reviews point the same way: 51% of Flash Number's written reviews are positive against 94% of Second Phone Number Calling's.
Flash Number ships an update every 3 months, Second Phone Number Calling every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Flash Number | Second Phone Number Calling |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (173 ratings) | 4.5 (653 ratings) — better |
| Positive reviews | 51.4% of reviews | 94.0% of reviews — better |
| Number of ratings | 173 | 653 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 69 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | PATRICKGOLD MICROFINANCE BANK LIMITED | Second Phone Number & Texting LLC |
Customer experience
Flash Number
Second Phone Number Calling
User reviews
Flash Number
From 173 App Store ratingsWhat we love
- 👍 Easy to use and intuitive interface
- 💰 Affordable pricing for secondary phone numbers
- 📱 Good for privacy protection on Craigslist and marketplace sales
- 📨 Text messaging functionality works well
- 🔒 Protects personal information from spam and robocalls
Room to improve
- 🐛 App crashes immediately upon download or opening
- 📞 Outgoing calls frequently don't work
- ❌ Account creation and login failures
- 💳 Billing issues - charged multiple times or without service delivery
- 🚫 No customer support or extremely slow response times
Second Phone Number Calling
From 653 App Store ratingsWhat we love
- 🚀 Efficient and reliable
- 🔒 Keeps personal information private
- 👍 User-friendly and intuitive
- 🚀 Seamless call and text experience
- 💰 Affordable international calls
Room to improve
- 🐛 Occasional connectivity issues
- ⚠️ Unreliable customer support
- 💰 Subscription fees may be a concern for some
- 🔍 Limited feature customization options
Bugs and requests
Flash Number
Reported bugs
12 issues- App crashes immediately upon launch
- Outgoing calls non-functional despite incoming calls working
- Request failed with status code 429 errors
- Cannot create account or number despite valid phone number
- Login failures after app reinstallation
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- Call disconnections and dropped calls mid-conversation
- Missing or non-functional notifications for texts and calls
- Texts not sending despite appearing to be composed
- Service stops working after iOS updates
- Subscription expires unexpectedly without user cancellation
- Cannot receive videos from contacts
- Accepts non-10-digit phone numbers causing issues
Requested features
5 requests- Extended trial period before requiring payment
- Points or rewards system for service usage
- Video message support
- Improved notification system for incoming messages
- Better compatibility with latest iOS versions
Second Phone Number Calling
Reported bugs
3 issues- Login and account management problems
- Inconsistent call quality in low signal areas
- Billing and subscription issues
Requested features
4 requests- Improved call blocking and spam filtering
- Integration with popular messaging apps
- Expanded number selection options
- Enhanced voicemail and call forwarding features
In-app purchases
Flash Number
- Unlimited calls & SMS3 variants$4.491 Month
- Unlimited calls & SMS$4.991 Month
- Unlimited calls & SMS4 variants$47.991 Year
- Unlimited calls & SMS$4.99
Second Phone Number Calling
- Pick your phone number$5.997 Days
- 1 Phone Number$7.997 Days
- 1 phone number$9.991 Month
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- 1 phone number$14.991 Month
- 3 phone numbers$27.991 Month
- 3 phone numbers$74.991 Year
- 3 phone numbers$119.991 Year
- New Phone Number$5.99
Questions
Is Flash Number free?
Is Second Phone Number Calling free?
Which has better reviews, Flash Number or Second Phone Number Calling?
Do Flash Number or Second Phone Number Calling have ads?
Which is updated more often, Flash Number or Second Phone Number Calling?
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