Comparison

Central Office vs Mongotel Softphone

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

Head to head
About

Central Office

This app provides a unified communications solution for business professionals, integrating voice, chat, and enterprise features. Stay connected globally with a business presence, offering features like individual DIDs, visual voicemail, and HD video calls.

Highlights
  • Unified voice and chat communication
  • Individual DIDs with free FAX
  • Visual voicemail
  • HD video calls
  • Automated attendants
  • Global connectivity
  • Scalable hosted PBX system
Features
Read full description

CentralOffice - Xchange Telecoms Unified Communications Solution The Central Office smartphone app is perfect for the on-the-go business traveler providing full integration with your existing Central Office environment. Central Office is Xchange Telecoms Unified Communications Solution (UC) integrating voice, chat, with a comprehensive set of Business-Grade enterprise communication features. Central Office gives you the flexibility to stay connected anywhere in the world, while maintaining a conventional business office presence. • Individual DIDs with free FAX number • Visual voice mail • HD video calls • IM Chat with everyone in your Central Office business • Automated attendants • Fastest and most reliable connections • CommPortal Web based portal for administrating your business account. • Automated multi-line Hosted PBX system • 100% Scalability • Increases your call completion rates – no more busy signals • IP Business office phones, affordable and easy to add as your business grows. • Select from your existing phone numbers, or order new lines, choosing from local, toll-free, and vanity numbers • Clear definition voice clarity with High-Call capacity routing • Place and receive calls worldwide at the lowest rates • Works over WIFI or your cellular data connection • No more expensive international roaming charges • Call Recording & Enterprise-Grade FaxMailPro also available

About

Mongotel Softphone

Transform your iPhone into a business phone extension, enabling seamless access to your office's phone system from anywhere. This VoIP solution ensures you never miss important calls or communications while on the go.

Highlights
  • Business phone extension access
  • VoIP solution for professionals
  • Integrates with existing extensions
  • Work from anywhere functionality
  • On-the-go communication
Read full description

Access your business’s extensions while away from the office by turning your Apple iPhone into a Mongotel softphone. This app puts the power of your workplace’s phone system in your pocket, where it’s only a tap away, making it the perfect VOIP solution for on-the-go professionals. Download the Mongotel Softphone app for iPhone to enable many of the same benefits that Mongotel provides to your office on your smartphone. This app integrates fully with your existing extension, empowering you to work from home, the airport, or the beach without ever missing a beat.

Screenshots

Central Office4 screens
Mongotel Softphone4 screens

Verdict

The call

The clearest difference is review sentiment: Central Office at 75% against Mongotel Softphone's 25%. Central Office also leads on rating (4.4 vs 3.9) and device support (3 vs 1). Mongotel Softphone's advantage is update cadence (every 3 months vs every 8 months). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Central Office holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 19 and 7 respectively. Written reviews point the same way: 75% of Central Office's written reviews are positive against 25% of Mongotel Softphone's.

UpkeepUpdate frequency

Central Office ships an update every 8 months, Mongotel Softphone every 3 months. The most recent releases landed on September 17, 2026 and June 11, 2026 respectively.

Scorecard5 real differences · 5 level
Central Office versus Mongotel Softphone: the parameters behind the verdict, then further details
ParameterCentral OfficeMongotel Softphone
PriceFreeFree
Rating4.4 (19 ratings) — better3.9 (7 ratings)
Positive reviews75.0% of reviews — better25.0% of reviews
Number of ratings19 — better7
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size208 MB102 MB
Age rating4+17+
DeveloperXChange Telecom CorpMongoTel

Customer experience

Central Office

All ratings19 ratings
Positive89.5%
Neutral5.3%
Negative5.3%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Mongotel Softphone

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

Central Office

No in-app purchases

None

Mongotel Softphone

No in-app purchases

Questions

Is Central Office free?
Central Office is free to download, with no in-app purchases.
Is Mongotel Softphone free?
Mongotel Softphone is free to download, with no in-app purchases.
Which has better reviews, Central Office or Mongotel Softphone?
Central Office is rated higher. Central Office averages 4.4 out of 5 from 19 ratings, while Mongotel Softphone averages 3.9 from 7 ratings.
Do Central Office or Mongotel Softphone have ads?
Neither Central Office nor Mongotel Softphone shows ads.
Which is updated more often, Central Office or Mongotel Softphone?
Central Office ships an update every 8 months, and Mongotel Softphone every 3 months. Most recently, Central Office was updated on September 17, 2026 and Mongotel Softphone on June 11, 2026.

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