Comparison

Thirdfort vs CallSwitch One

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

Head to head
About

Thirdfort

Securely verify your identity and share necessary documents without the need for printing, posting, or in-person visits. This app offers bank-grade encryption and is GDPR compliant, making it a trusted solution for regulated businesses and individuals.

Highlights
  • Identity verification
  • Document sharing
  • Bank-grade encryption
  • GDPR compliant
  • ICO registered
  • Live chat support
Features
Read full description

More than 1.5 million people have used Thirdfort to verify their identity and share required documentation. No more printing, posting or time consuming office visits, you can do it all quickly and safely with Thirdfort. Our technology is trusted by hundreds of law firms, estate agencies and other regulated businesses across the United Kingdom. Encryption like the big banks Thirdfort uses the same high-grade security measures as all the big banks to encrypt your data. GDPR compliant We ensure that all data is collected, processed, stored and deleted in a manner that is compliant with GDPR regulations. Registered with the Information Commissioner’s Officer (ICO) We are registered with the ICO in relation to the protection of personal data. Our registration number is ZA292762. Need help? The quickest and easiest way to get help is to chat with our UK-based support team via our in app Live Chat. You can also find resources, how to guides and helpful videos online at http://help.thirdfort.com/

About

CallSwitch One

This app allows users to manage all their business communications on any device. It offers features like making and receiving calls from a landline number, voice and video conferencing, and team chat with file sharing.

Highlights
  • Business calls from landline number
  • Voice and video conferencing
  • Team chat with file sharing
  • Group and individual conversations
  • Business directory access
  • Conversation threads
Features
Read full description

CallSwitch One allows users to take their communications channels with them wherever they go, however they work, and on whatever device they choose. When used in conjunction with a CallSwitch One subscription, the app offers a host of communication and collaboration features within a single, intuitive pane. Make and receive business calls from your landline number, from anywhere, enjoy voice and video conferencing tools, chat with colleagues individually or in groups, with file sharing, voice notes, conversation threads and more, and take your business directory on the road, wherever work takes you. Whatever your business needs, CallSwitch One is built for modern working.

Screenshots

Thirdfort4 screens
CallSwitch One4 screens

Verdict

The call

The clearest difference is review sentiment: CallSwitch One at 40% against Thirdfort's 16%. CallSwitch One also leads on update cadence (every 8 days vs every 3 weeks) and device support (3 vs 1). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Thirdfort ships an update every 3 weeks, CallSwitch One every 8 days. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Thirdfort versus CallSwitch One: the parameters behind the verdict, then further details
ParameterThirdfortCallSwitch One
PriceFreeFree
Rating4.5 (707 ratings) — better—
Positive reviews16.5% of reviews40.0% of reviews — better
Number of ratings707 — better—
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size124 MB57 MB
Age rating4+4+
DeveloperThirdfortNEBULA CLOUD LIMITED

Customer experience

Thirdfort

All ratings707 ratings
Positive86.7%
Neutral3.4%
Negative9.9%
Written reviews164 reviews
Positive16.5%
Neutral6.1%
Negative77.4%

CallSwitch One

Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Bugs and requests

Thirdfort

Reported bugs

4 issues
  • Inability to scan passport chip
  • Inconsistent photo capture requirements
  • App crashes and freezes
  • Connectivity issues

Requested features

4 requests
  • Clearer instructions and guidance
  • More user-friendly interface
  • Ability to save progress and return later
  • Support for more document types and formats

CallSwitch One

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Thirdfort

No in-app purchases

None

CallSwitch One

No in-app purchases

Questions

Is Thirdfort free?
Thirdfort is free to download, with no in-app purchases.
Is CallSwitch One free?
CallSwitch One is free to download, with no in-app purchases.
Do Thirdfort or CallSwitch One have ads?
Neither Thirdfort nor CallSwitch One shows ads.
Which is updated more often, Thirdfort or CallSwitch One?
Thirdfort ships an update every 3 weeks, and CallSwitch One every 8 days. Most recently, Thirdfort was updated on October 12, 2026 and CallSwitch One on October 3, 2026.

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