Comparison

Onoff Business vs Simless

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

Head to head
About

Onoff Business

Manage all your business communications on a single device with a cloud-based professional mobile number. Supports calls, SMS/MMS, and visual voicemail without needing a second phone or SIM card.

Highlights
  • Cloud-based professional mobile numbers
  • Manage business communications on one device
  • Supports incoming/outgoing calls
  • SMS/MMS functionality
  • Visual voicemail
  • No second phone or SIM required
Features
Read full description

With Onoff Business, you don't need a second phone anymore, you have a number in the cloud instead of a physical SIM card, and everything happens on an app! Manage all your business communications on a single phone with the Onoff Business app. Download the app and start making calls instantly! In order to be able to use this mobile application, your company needs to have an active Onoff Business account. If you don't, please visit https://www.onoffbusiness.com/en/ If your enterprise has shared with you the access to your Onoff Business account, download the app now and you can instantly start making calls! Onoff Business, the ARCEP-recognised French telecommunications operator, allows enterprises to provide professional mobile numbers to their employees through a simple and intuitive web platform. Employees then just need to download the Onoff Business application on their phones. The Onoff Business numbers support incoming & outgoing calls as well as SMS/MMS as a regular phone number but without needing to have another phone or a second SIM card. A visual voicemail is included. The application is accessible from any smartphone or tablet. Need a second number for personal usage? You can download the original Onoff app. Do not hesitate to share your feedback and comments at support@onoffbusiness.com General conditions: https://www.onoffbusiness.com/en/terms-conditions/

About

Simless

Features
Read full description

Simless - Your Second Number With An App! Get a second number in minutes, without the hassle of using a second phone or a second SIM card, but just by downloading an app. Simless Application is great for: -Having a separate professional line - separate your professional and personal life -Protecting your privacy when you are online - your safety is our priority - Selling goods online in total confidence - safely communicating with your potential buyers -Carrying only one phone on you - less weight in your pocket, less hassle between switching phones -Being able to use your phone number from any smartphone and even from your web browser. - Extra Security : Send Private invitations and generate private call. - Transfer Credit for the one that you love... even that one that you don't love , we are not that picky With Simless you also have: -Unlimited calls and SMS - Conference calls -Internal Calls, messaging and Video call free of charge between Simless Users - Set hide mode to prevent access to your Call and Messaging history And there’s much more ! You can follow us on: Facebook - Linkedin - Twitter - Instagram In the application, you can subscribe to a number or a calling plan, the prices of which vary depending on the nationality or region chosen, as well as the duration (1, 3 or 12 months). We cannot guarantee the systematic compatibility of numbers with verification services by SMS Terms & Conditions: https://simless.app/terms-condition

Screenshots

Onoff Business4 screens
Simless4 screens

Verdict

The call

The clearest difference is in-app purchases: Onoff Business at none against Simless's 9. Onoff Business also leads on update cadence (every 2 weeks vs every 2 months). Simless's advantage is iOS requirement (12.0 vs 16.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simless sells 6 in-app purchases, starting at $6.49 per month. Onoff Business asks for nothing beyond the download.

UpkeepUpdate frequency

Onoff Business ships an update every 2 weeks, Simless every 2 months. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Onoff Business versus Simless: the parameters behind the verdict, then further details
ParameterOnoff BusinessSimless
PriceFreeFree
Rating4.7 (9 ratings) — better—
Positive reviews38.1% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.012.0 — better
Further details — not scored
Size318 MB134 MB
Age rating4+4+
DeveloperONOFFAPPMAILBIT ASIA PACIFIC COMPANY LIMITED

In-app purchases

None

Onoff Business

No in-app purchases

6 purchases

Simless

Subscriptions2
  • 1 month IL Number +60 Credits4 variants$6.491 Month
  • 1 month IL Number +60 Credits$11.991 Month
One-time4
  • 30 Voice & SMS Credits$3.99
  • 60 Voice & SMS Credits$4.99
  • 100 Voice & SMS Credits$6.99
Show 1 more
  • 1 month IL Number +60 Credits$9.99

Questions

Is Onoff Business free?
Onoff Business is free to download, with no in-app purchases.
Is Simless free?
Simless is free to download, with in-app purchases available.
Do Onoff Business or Simless have ads?
Neither Onoff Business nor Simless shows ads.
Which is updated more often, Onoff Business or Simless?
Onoff Business ships an update every 2 weeks, and Simless every 2 months. Most recently, Onoff Business was updated on October 25, 2026 and Simless on October 10, 2026.

Other comparisons