Comparison

Ring4 vs SOLOPIN App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ring4

Create a private second phone line for texting and calling without using your personal number. Ideal for online selling, dating, or business, it offers features like call recording and local area codes. Avoid roaming charges by calling over Wi-Fi.

Highlights
  • Multiple private phone lines
  • Call recording
  • Local area codes
  • Private video calling
  • Voicemail
  • Block unwanted calls
Features
Read full description

Start texting and calling on your new private line. Built for people looking for privacy, a local number, and separation between personal and public life. No carrier plan needed. Ring4 can be used like a prepaid phone card. Text, picture message, and call anywhere in the US, Canada, and UK. Avoid using your Cell phone minutes like other apps. Call and text over Wi-Fi to eliminate roaming charges when travelling. Connect a local eSIM and use your Ring4 number anywhere you have cellular data service. Add private video calling, call recording, voicemail, local area codes, and much more – MULTIPLE PHONE LINES: Set up a number for personal, business, and online selling. CALL RECORDING: Start recording on any line and RARE AREA CODES: San Francisco (415), New York (212), Los Angeles (310). What’s the best way to look like a local? Get a rare number that others can’t. Shhhh… VIDEO CALLS: Start video calls when selling online with a one-time link. Great for online selling or sharing a real estate property tour. PROTECT YOUR PRIVACY: Do you trust loyalty programs to not sell your number? You shouldn’t. Receive verification codes (2FA) and promotional messages for your favorite brands with a private second line. BLOCK CALLS: If you're done with your temporary line, or someone is bothering you, simply delete it and grab a new one. No trip to the store, questions from the salesperson, one click, and you're done. VOICEMAIL: Stay professional with a greeting that matches your private second line's purpose. SAVE CELL MINUTES & DATA: Ring4 does *NOT* use your cell phone minutes for calling, like some other apps. Connect to WiFi to make VoIP calls wherever you are. – WHY USE a 2nd PRIVATE PHONE NUMBER? -- ONLINE DATING: Use a second number to text and call without sharing your real cell phone. RENTING: Message tenants, renters, and landlords. Share a room for rent online using a private number, keeping your personal cell phone number confidential. SELLING ONLINE: Keep your cell phone off public listings by texting buyers from a second line you can silence or replace. MARKETPLACE LISTING: Never give your real cell phone number out online. LOYALTY PROGRAMS: Stop loyalty programs from selling your personal cell phone. Signup for online services with your new 2nd line. BUSINESS: Rule #1 of starting a business. Never give out your personal cell phone, and definitely do not put it on your website. This can never be undone, get a 2nd number today for your new idea, your new business before it’s too late. – NO CONTRACTS: Start with a new US or UK temporary number for 7-days. Add a monthly subscription to keep the number forever. (fair use limits apply) FREE INBOUND TEXTS & CALLING: Inbound calls and texts are always free. TRANSPARENT PRICING: Subscriptions unlock 3,000 text messages and calls a month. (counted daily) • 5 credits to start calling in the US or internationally • 5 credits to start a video meeting • 1 credit to send a text message – IMPORTANT: Emergency calls and texts to 911 are not supported. Texts to/from short codes might not always be supported. The trial may include free usage and is intended for one-time use. SUBSCRIPTION DETAILS: Subscriptions automatically renew unless cancelled 24 hours in advance and may be managed by the user in Account Settings after purchase. THE FINE PRINT: Terms of use: https://www.ring4.com/terms-and-conditions Privacy Policy: https://www.ring4.com/privacy-policy – Looking for more than 3 numbers or higher text and calling plans, visit ring4.com/business to learn about our team plans.

About

SOLOPIN App

Make international calls at competitive rates with excellent call quality. Easily connect with friends and family using your existing contact list, with no peak time charges. Track your call history and rates for transparent usage.

Highlights
  • Low international call rates
  • Excellent call quality
  • Dial using contact list
  • No peak time charges
  • Call history and rates tracking
Features
Read full description

Call Friends & Family Worldwide with a competitive price in the Market Super Low Call Rates with the Best Service Quality and No Peak Times With Solopin you can finally reach friends and family members with ease and at a competitive price. Calling with SOLOPIN App is faster, no need to dial long numbers, just use your contact list to dial. With SOLOPIN App you get all your Solopin benefits plus: - Excelent Call Quality - Call Using Your Contact List - Get more information about your calls, with call history and rates

Screenshots

Ring44 screens
SOLOPIN App4 screens

Verdict

The call

The clearest difference is rating: Ring4 at 4.4 against SOLOPIN App's 3.6. Ring4 also leads on review sentiment (57% vs 29%) and ratings volume (2.9K vs 20). SOLOPIN App's advantage is iOS requirement (11.0 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ring4 sells 10 in-app purchases, starting at $9.99 per month and SOLOPIN App sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ring4 holds the better App Store score, 4.4 against 3.6. That said, the two scores are not equally well evidenced: Ring4 has 2.9K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 57% of Ring4's written reviews are positive against 29% of SOLOPIN App's.

UpkeepUpdate frequency

Ring4 ships an update monthly, SOLOPIN App every 5 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Ring4 versus SOLOPIN App: the parameters behind the verdict, then further details
ParameterRing4SOLOPIN App
PriceFreeFree
Rating4.4 (2.9K ratings) — better3.6 (20 ratings)
Positive reviews56.8% of reviews — better28.6% of reviews
Number of ratings2.9K — better20
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size105 MB27 MB
Age rating4+4+
DeveloperRing4, LLCUnlimited Recharge Inc.

Customer experience

Ring4

All ratings2,922 ratings
Positive83.0%
Neutral4.6%
Negative12.4%
Written reviews519 reviews
Positive56.8%
Neutral5.8%
Negative37.4%

SOLOPIN App

All ratings20 ratings
Positive60.0%
Neutral15.0%
Negative25.0%
Written reviews7 reviews
Positive28.6%
Neutral28.6%
Negative42.9%

Bugs and requests

Ring4

Reported bugs

4 issues
  • Accounts being limited or disabled for no reason
  • Credits not being properly credited
  • Inability to generate new numbers
  • Frequent app crashes and service interruptions

Requested features

3 requests
  • Ability to port numbers away from the app
  • Improve text messaging functionality
  • Provide a free trial period

SOLOPIN App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Ring4

Subscriptions6
  • Unlimited Talk & Text for French Mobile Phone Number - Line #1$9.991 Month
  • Unlimited Talk & Text for English Mobile Phone Number - Line #1$9.991 Month
  • Unlimited Talk & Text for US/CA Number - Line #1$9.991 Month
Show 3 more
  • Unlimited Talk & Text for US/CA Number - Line #2$9.991 Month
  • Unlimited Talk & Text for US/CA Number - Line #3$9.991 Month
  • Unlimited Talk & Text for US/CA Selected Number - Line #1$14.991 Month
One-time4
  • Package of 10 credits$0.99
  • Package of 40 credits$3.99
  • Package of 100 credits$8.99
Show 1 more
  • Package of 250 credits$19.99
10 purchases

SOLOPIN App

One-time10
  • SOLOPIN Balance $0.99$0.99
  • SOLOPIN Balance $1.99$1.99
  • SOLOPIN Balance $2.99$2.99
Show 7 more
  • SOLOPIN Balance $3.99$3.99
  • SOLOPIN Balance $4.99$4.99
  • SOLOPIN Balance $6.99$6.99
  • SOLOPIN Balance $10.99$10.99
  • SOLOPIN Balance $19.99$19.99
  • SOLOPIN Balance $29.99$29.99
  • SOLOPIN Balance $49.99$49.99

Questions

Is Ring4 free?
Ring4 is free to download, with in-app purchases available.
Is SOLOPIN App free?
SOLOPIN App is free to download, with in-app purchases available.
Which has better reviews, Ring4 or SOLOPIN App?
Ring4 is rated higher. Ring4 averages 4.4 out of 5 from 2.9K ratings, while SOLOPIN App averages 3.6 from 20 ratings.
Do Ring4 or SOLOPIN App have ads?
Neither Ring4 nor SOLOPIN App shows ads.
Which is updated more often, Ring4 or SOLOPIN App?
Ring4 ships an update monthly, and SOLOPIN App every 5 weeks. Most recently, Ring4 was updated on November 1, 2026 and SOLOPIN App on October 24, 2026.

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