Thirdfort: iPhone vs Android
Thirdfort gets 100+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Thirdfort by Thirdfort is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.4 ★
61k ratings, both stores
Measured
Best rank now
#7
Android · 
Business Free
Business FreeMeasured
App Store
App details
App ID
1517893677
Publisher
Thirdfort Limited
Minimum OS
iOS 18.0+
Content rating
4+
Languages
1
EN
Size
129 MB
Google Play
App details
App ID
app.thirdfort.android
Publisher
Thirdfort Limited
Content rating
Everyone
Tech stack
Trackers and permissions of build v3.4.0, from the εxodus privacy report (CC BY-SA).
Trackers
2
Permissions
22
Trackers
Google CrashLyticsGoogle Firebase Analytics
Full permission listProSee plans
Thirdfort downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 10+ | 1M+ |
| Google Play | 100+ | 1M+ Measured |
| Total | 100+ Confidence | 1M+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Thirdfort's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.5 ★ | 41k |
| Google Play | 4.3 ★ | 19k 15 written reviews |
| Both stores | 4.4 ★ weighted by ratings | 61k |
About Thirdfort
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/
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/
Thirdfort iPhone
Thirdfort gets 100+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Thirdfort is #11 in Business Free in United Kingdom and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperThirdfort
CategoryBusiness
PriceFree
Released
Rating★ 4.5 (41k)
Version4.9.1
Age rating4+
First seen by us 24 Sep 2026
24 Sep 2026Installs (est.)1M+ worldwide
Rating
4.5 ★
41k ratings
Measured
Best rank now
#11
Business FreeMeasured
Thirdfort on the App Store
App details
App ID
1517893677
Publisher
Thirdfort Limited
Minimum OS
iOS 18.0+
Content rating
4+
Languages
1
EN
Size
129 MB
Thirdfort downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Thirdfort's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | BusinessFree | #11 |
Apps near Thirdfort on the chart
Business Free, around #11.
Ratings
App Store, worldwide.
Rating
4.5 ★
41k ratings
Measured
Ratings
41k
Measured
About Thirdfort
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/
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/
Latest updates
4.9.1
Thirdfort Android
Thirdfort gets 100+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Thirdfort is #7 in Business Free on Google Play in United Kingdom and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperThirdfort Limited
CategoryBusiness
PriceFree
Released
Installs1M+
Rating★ 4.3 (19k)
Updated
Content ratingEveryone
Rating
4.3 ★
19k ratings
Measured
Best rank now
#7
Business FreeMeasured
Thirdfort on Google Play
App details
App ID
app.thirdfort.android
Publisher
Thirdfort Limited
Content rating
Everyone
Tech stack
Trackers and permissions of build v3.4.0, from the εxodus privacy report (CC BY-SA).
Trackers
2
Permissions
22
Trackers
Google CrashLyticsGoogle Firebase Analytics
Full permission listProSee plans
Thirdfort downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Thirdfort's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | BusinessFree | #7 |
Apps near Thirdfort on the chart
Business Free, around #7.
Ratings
Google Play, worldwide.
Rating
4.3 ★
19k ratings
Measured
Ratings
19k
Measured
Written reviews
15
Measured
About Thirdfort
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
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
What's new in 4.9.1
Fix: The app repeatedly asks you to update, and installing the latest version returns you to the same screen