J2 Texting vs SoundLine Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
J2 Texting
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With J2 Texting, you can send and receive texts from your J2 business phone numbers. Make and receive text messages using your business phone number! • Use your business phone number to text instead of your personal number • Send and receive text and picture messages to/from any cell phone number in the continental US View your messages on multiple devices: • Use your account on multiple devices with one sign-in • Access your messages from any computer via your browser (Chrome/Firefox/Edge) • Multiple users can access the same number so you or your team can reply to any message Now your customers can communicate with you with the ease and convenience that they have when texting with friends and family. No need to download a separate messaging “app” to contact you - they can simply text your business number and get in touch.
SoundLine Mobile
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Bring your business calls, messages, and team conversations together with SoundLine. Use your business phone numbers from your personal device and keep work communication organized in one app. BUSINESS CALLING Place calls using your business numbers and caller ID. Review recent and missed calls, voicemail, and call details. SMS & MMS MESSAGING Send texts and share attachments using your business numbers. Select multiple recipients and keep track of which line each conversation uses. Recover unfinished messages, recipients, and attachments when you return to a draft. TEAM COLLABORATION Connect through channels and direct messages. Mention channel members, manage public and private channel settings, and join workspace audio or video calls. MULTIPLE NUMBERS & ACCOUNTS Manage multiple business phone numbers and switch between your SoundLine accounts. CONTACTS Find business and personal contacts, then choose the right business number to call or message them. NOTIFICATIONS & MESSAGE RETRY Stay informed about incoming messages and team activity. Retry queued messages after connectivity returns. SECURE SIGN-IN Sign in with single sign-on using your SoundLine account. SoundLine is designed for businesses that use the SoundLine Communications phone system. A SoundLine account is required.
Screenshots
Verdict
The clearest difference is update cadence: SoundLine Mobile at monthly against J2 Texting's every 4 months. 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. Neither carries in-app purchases, so what you see is what you pay.
J2 Texting ships an update every 4 months, SoundLine Mobile monthly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | J2 Texting | SoundLine Mobile |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Textable | SoundLine Communications LLC |
In-app purchases
J2 Texting
No in-app purchases
SoundLine Mobile
No in-app purchases








