Comparison

SmartLine Second Phone Number vs Devyce

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

Head to head
About

SmartLine Second Phone Number

Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.

Highlights
  • Dedicated business phone number
  • Professional call quality (not VoIP)
  • Spam call filtering
  • Customizable voicemail greetings
  • Voicemail to text transcription
  • Set business hours for calls
  • Organized call and text history
Read full description

SmartLine is a second phone number for your business. When you receive a call through SmartLine, you know it’s for business so you can answer professionally. When you call or text through SmartLine, customers see your new business phone number so your personal number stays private. - Professional Quality. Calls use your cellular connection – NOT VOIP – to give you the call clarity and reliability you need to sound professional. - Spam Call Filter. Answer calls with confidence because spam calls are sent directly to voicemail. - Custom Voicemail. Record a custom voicemail greeting to prompt callers to leave a message. - Voicemail to Text. Get your business voicemail automatically transcribed to text to save you time. - Set Business Hours. Choose when you’re available for business calls and send callers to voicemail after hours. - Stay Organized. See your conversation history of calls, texts, pictures, and voicemail, organized by contact. - Stay Notified. Be notified and follow up quickly whenever you have missed calls, voicemail messages, or texts. -- Terms -- An existing SmartLine subscription is required to use this app. Currently available in the US only. SmartLine will automatically renew via iTunes, unless you cancel 24 hours before the the end of the current billing period. Easily manage and cancel your SmartLine 2nd phone number at any time through your iTunes subscription settings. If you didn't purchase SmartLine through iTunes, you can manage your subscription through the GoDaddy website. Terms of use: https://www.godaddy.com/legal-agreements.aspx Privacy policy: https://www.godaddy.com/Agreements/Privacy.aspx

About

Devyce

Get a second UK mobile number on your existing phone for personal or business use. Manage calls and messages, set custom quiet hours, and keep your primary number private. Ideal for professionals, expats, and anyone needing a separate line.

Highlights
  • Second UK mobile number
  • Unlimited UK calls and messages
  • Separate Do Not Disturb hours
  • Port existing UK number
  • Business and personal use
Features
Read full description

Seamlessly manage your primary and second phone number all from a single phone. Whether you're in the UK or globetrotting, you can effortlessly maintain a UK mobile number connection. Your Phone's Second Number: Devyce offers a second UK mobile number directly on your current phone. Enjoy unlimited mobile number UK and landline connections, combined with the convenience of messaging apps. Whether you're looking to bring your existing number onboard or need another number, we've got you covered, no matter where you are in the world. Pivotal Features: - Unlimited calls and messages to UK mobiles and landlines. - Personalise your peace with separate Do Not Disturb hours. - Secure a fresh 07 UK mobile number. - Wish to retain your existing 07 UK mobile number? Contact us for easy porting! Devyce Users Spotlight: SMEs: Strengthen your business communication. Use a dedicated number for client interactions while keeping your private number separate. Seamlessly connect with customers, partners, and team members both locally and globally. Freelancers & Traders: Elevate professionalism with a second number. Wind down with your work number off post-hours, whilst staying reachable on your primary line. Online Merchants: Safeguard your privacy. No need to disclose your personal digits on digital marketplaces. Global Enterprises: Desiring a mobile touchpoint in the UK? Offer the mobile familiarity to your British clientele and partners, bridging distances like you're just next door. Expats: Transitioning abroad? Retain your existing UK mobile number and receive calls as though you never left. Reach out, and typically, your number will be operational by the next business day. Subscription Notice: Devyce operates on a subscription model. In-app subscription options are available. Following any trial period, a recurring billing cycle commences until the subscription is halted. For comprehensive terms, please refer to https://devyce.com/terms-conditions/.

Screenshots

SmartLine Second Phone Number4 screens
Devyce4 screens

Verdict

The call

The clearest difference is review sentiment: Devyce at 64% against SmartLine Second Phone Number's 15%. Devyce also leads on update cadence (fortnightly vs every 2 months). SmartLine Second Phone Number's advantage is rating (4.7 vs 4.3) and ratings volume (44K vs 22). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SmartLine Second Phone Number sells 2 in-app purchases, starting at $12.99 per month and Devyce sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SmartLine Second Phone Number holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: SmartLine Second Phone Number has 44K ratings behind it against 22, so its average is the more settled of the two. Written reviews complicate that: 15% of SmartLine Second Phone Number's written reviews are positive against 64% of Devyce's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

SmartLine Second Phone Number ships an update every 2 months, Devyce fortnightly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
SmartLine Second Phone Number versus Devyce: the parameters behind the verdict, then further details
ParameterSmartLine Second Phone NumberDevyce
PriceFreeFree
Rating4.7 (44K ratings) — better4.3 (22 ratings)
Positive reviews15.5% of reviews64.4% of reviews — better
Number of ratings44K — better22
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.1 — better15.0
Further details — not scored
Size75 MB68 MB
Age rating4+4+
DeveloperGoDaddy.com, LLCDEVYCE LIMITED

Customer experience

SmartLine Second Phone Number

All ratings44,037 ratings
Positive94.0%
Neutral3.3%
Negative2.7%
Written reviews110 reviews
Positive15.5%
Neutral13.6%
Negative70.9%

Devyce

All ratings22 ratings
Positive86.4%
Neutral4.5%
Negative9.1%
Written reviews90 reviews
Positive64.4%
Neutral8.9%
Negative26.7%

User reviews

SmartLine Second Phone Number

From 44K App Store ratings

What we love

  • 🚀 Convenient business line
  • 📝 Stores call/text history
  • ⏱️ Ability to set business hours

Room to improve

  • 🐛 Unreliable text messaging
  • 📞 Missed/dropped calls
  • 🔔 Delayed/missing notifications
  • 🤖 Poor customer support

Devyce

From 22 App Store ratings

What we love

  • 👍 Keeps UK number overseas
  • 👍 Low cost service
  • 👍 Seamless porting process
  • 👍 Good for OTPs/verifications
  • 👍 Reliable for SMS

Room to improve

  • 🐛 Calls drop out frequently
  • 🐛 Messages/notifications delayed or not received
  • 🐛 App is buggy and temperamental
  • 🐛 Poor audio quality on calls
  • 🐛 Difficult to clear notifications

Bugs and requests

SmartLine Second Phone Number

Reported bugs

3 issues
  • Disappearing call/text history
  • Incorrect number display on outgoing calls
  • Failure to sync across devices

Requested features

4 requests
  • Ability to send multiple photos/files
  • Improved caller ID display
  • Option to have multiple voicemail greetings
  • Compatibility with VPNs and older devices

Devyce

Reported bugs

69 issues
  • Calls drop out
  • Messages delayed or not received
  • App is buggy and temperamental
  • Poor audio quality on calls
  • Difficult to clear notifications
Show 64 more
  • App crashes/freezes
  • Calls not coming through
  • Contacts disappear
  • Push notifications unreliable
  • Calls fail to connect or are one-sided
  • No ringing on Apple Watch
  • Messages received late
  • Unbearable bugs
  • Intercepts/alters messages
  • Low audio quality
  • Almost useless
  • Glitchy
  • Limits texts daily
  • Charged without authorization
  • Voicemails don't arrive
  • Drops calls
  • Freezing, collapsing, needs restart
  • Lost ported number
  • Slow to use
  • Doesn't have contacts
  • Can't copy and paste numbers
  • Notifications/badges don't show
  • Rarely rings
  • Working hours reset
  • Dropped calls without reason
  • No button to answer calls
  • Notifications don't clear
  • Subscription issues after update
  • Second number not working
  • App unresponsive
  • Can't answer/make calls
  • Can't see texts
  • App stuck on iPhone
  • Help desk unresponsive
  • Caller ID issues
  • Notifying of calls/texts
  • CallKit integration missing
  • CarPlay integration missing
  • No notification of calls or texts
  • Charging for non-working service
  • iMessage/FaceTime issues
  • MMS not supported
  • SMS link color issue
  • Can't archive/delete conversations easily
  • Crashes frequently
  • Notification badge inaccurate
  • Deleting messages/voicemails problematic
  • Phone doesn't ring
  • Sender field incorrect
  • Speaker function doesn't work
  • Unread texts not bold
  • Dialling issues
  • Cannot copy numbers from websites
  • Calls breaking up
  • People can't hear conversation
  • Calls not ringing
  • Waste of money
  • UX clunky
  • Cannot send/receive photos via SMS
  • Contacts default to app profile
  • Slow UX
  • Cannot forward/copy SMS
  • Calls from Skype numbers not going through
  • Missed payment cancels number

Requested features

32 requests
  • Ability to send photos over the app
  • Dial pad with letters
  • Dark mode option
  • Block nuisance callers
  • CallKit integration
Show 27 more
  • CarPlay integration
  • Add France support
  • More numbers available on the same app
  • Sync contacts
  • Copy numbers from websites
  • Forward or copy SMS
  • MMS support
  • iMessage and FaceTime workaround
  • Improve SMS link color visibility
  • Archive or delete conversations easily
  • Add letters to dial pad
  • Option to block nuisance callers
  • Improve contact management
  • Add dual SIM support for eSIM
  • Improve notification badges
  • Add swipe to delete functionality
  • Support for sending MMS messages
  • Improve sender field accuracy
  • Fix speaker function
  • Make unread texts bold
  • Improve dialling functionality
  • Enable copying numbers from websites
  • Add support for additional numbers
  • Improve UX for text message opening
  • Improve UX for contact management
  • Improve UX for message deletion
  • Support for texting to non-UK numbers

In-app purchases

2 purchases

SmartLine Second Phone Number

Subscriptions2
  • SmartLine Unlimited (Monthly)7 Days trial$12.991 Month
  • SmartLine Toll-Free7 Days trial$19.991 Month
2 purchases

Devyce

Subscriptions2
  • Devyce Solo Monthly (No Trial)$8.991 Month
  • Devyce Solo Monthly$14.991 Month

Questions

Is SmartLine Second Phone Number free?
SmartLine Second Phone Number is free to download, with in-app purchases available.
Is Devyce free?
Devyce is free to download, with in-app purchases available.
Which has better reviews, SmartLine Second Phone Number or Devyce?
SmartLine Second Phone Number is rated higher. SmartLine Second Phone Number averages 4.7 out of 5 from 44K ratings, while Devyce averages 4.3 from 22 ratings.
Do SmartLine Second Phone Number or Devyce have ads?
Neither SmartLine Second Phone Number nor Devyce shows ads.
Which is updated more often, SmartLine Second Phone Number or Devyce?
SmartLine Second Phone Number ships an update every 2 months, and Devyce fortnightly. Most recently, SmartLine Second Phone Number was updated on September 24, 2026 and Devyce on September 21, 2026.

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