Comparison

OTWmobile vs Who's on Call Plus

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

Head to head
About

OTWmobile

Features
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The OTWmobile app by Over the Wire helps you to take your office phone with you, wherever you go. By providing a mobile app that seamlessly connects to your corporate phone system, this application gives you the ability to be truly mobile without having to worry about missing calls or being unreachable. Features include: ‒  Simultaneous ring on your desk phone and mobile application ‒  Make and receive calls on your office line, no matter where you are ‒  Tweak your answering rules, to set which device you’d like to have connected ‒  Graphical interface for managing voicemail ‒  Access your corporate phone system contacts on your mobile This application is only available for Over the Wire Hosted PBX customers. For more information please visit https://overthewire.com.au/hosted-pbx or contact us on 1300 689 689.

About

Who's on Call Plus

This app simplifies managing business hotlines and helplines for the Broadsoft platform. It allows for easy call forwarding to on-call operators, eliminating the need for manual handover or complex application use. Ideal for organizations requiring continuous availability.

Highlights
  • Manages business hotlines
  • Facilitates helpline call forwarding
  • Supports Broadsoft platform
  • Minimizes change effort
  • Ensures continuous operator availability
Features
Read full description

Who’s On Call, from DiMETRO, revolutionises the management of business hotlines, helplines, and any other telephony solution that needs to forward calls to an on-call operator. Designed specifically for the Broadsoft platform it minimises the effort to make changes. You might be part of a medical practice that needs to always have someone on call at all times. No need to pass the shared mobile around or get someone in the office to activate some tedious application to hand responsibility to another team member.

Screenshots

OTWmobile4 screens
Who's on Call Plus4 screens

Verdict

The call

The clearest difference is update cadence: Who's on Call Plus at every 2 months against OTWmobile's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OTWmobile ships an update every 8 months, Who's on Call Plus every 2 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

Scorecard1 real difference Β· 7 level
OTWmobile versus Who's on Call Plus: the parameters behind the verdict, then further details
ParameterOTWmobileWho's on Call Plus
PriceFreeFree
Positive reviewsβ€”0.0% of reviews
Update frequencyEvery 8 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 β€” better
Further details β€” not scored
Size105 MB23 MB
Age rating4+4+
DeveloperOver the WireDimetro

In-app purchases

None

OTWmobile

No in-app purchases

None

Who's on Call Plus

No in-app purchases

Questions

Is OTWmobile free?
OTWmobile is free to download, with no in-app purchases.
Is Who's on Call Plus free?
Who's on Call Plus is free to download, with no in-app purchases.
Do OTWmobile or Who's on Call Plus have ads?
Neither OTWmobile nor Who's on Call Plus shows ads.
Which is updated more often, OTWmobile or Who's on Call Plus?
OTWmobile ships an update every 8 months, and Who's on Call Plus every 2 months. Most recently, OTWmobile was updated on October 26, 2026 and Who's on Call Plus on October 12, 2026.

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