FAST Pregnancy Calculator: iPhone vs Android
FAST Pregnancy Calculator by Onur Ince 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
4.9 ★
367 ratings, both stores
Measured
Best rank now
#63
Android · 
Medical Free
Medical FreeMeasured
App Store
App details
App ID
1461720568
Publisher
Onur Ince
Publisher country
Sweden
On the store since
May 2019
7 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
12+
1 content note below
Languages
1
EN
Size
21 MB
Content notesInfrequent/Mild Medical/Treatment Information
Google Play
App details
App ID
com.go.pregnancycalculator
Publisher
Guven Iscan
Publisher country
Sweden
Content rating
Everyone
FAST Pregnancy Calculator downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 10k+ |
| Google Play | 50+ | 100k+ Measured |
| Total | 50+ Confidence | 100k+ 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 FAST Pregnancy Calculator'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
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 | 5.0 ★ | 4 |
| Google Play | 4.9 ★ | 363 7 written reviews |
| Both stores | 4.9 ★ weighted by ratings | 367 |
About FAST Pregnancy Calculator
THIS APP IS INTENDED FOR USE OF HEALTHCARE WORKERS. Pregnancy Calculator for Healthcare Professionals calculates the gestation week based on the first day of the last menstruation period or previous ultrasound scans. FAST is carefully designed to provide a convenient solution for physicians, midwives, nurses and medical secretaries with busy work schedules.
INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.
After the gestation week is determined, pressing the information tab at the bottom provides information on the progress of the pregnancy.
DISCLAIMER
The information provided by the app is not necessarily correct or accurate. It is based on available information and the overall developmental trends for the progress of pregnancy. We do not accept any medical responsibility.
All information, content, and material of this website is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider.
Dr. Onur İnce (Ob/Gyn specialist- Kütahya Health Sciences University, Kütahya, Turkey) [email protected]
INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.
After the gestation week is determined, pressing the information tab at the bottom provides information on the progress of the pregnancy.
DISCLAIMER
The information provided by the app is not necessarily correct or accurate. It is based on available information and the overall developmental trends for the progress of pregnancy. We do not accept any medical responsibility.
All information, content, and material of this website is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider.
Dr. Onur İnce (Ob/Gyn specialist- Kütahya Health Sciences University, Kütahya, Turkey) [email protected]
FAST Pregnancy Calculator iPhone
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperOnur Ince
CategoryMedical
PriceFree
Released
Rating★ 5.0 (4)
Version1.8.1
Age rating12+
First seen by us
8 Oct 2026
8 Oct 2026Installs (est.)10k+ worldwide
Rating
5.0 ★
4 ratings
Measured
FAST Pregnancy Calculator on the App Store
App details
App ID
1461720568
Publisher
Onur Ince
Publisher country
Sweden
On the store since
May 2019
7 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
12+
1 content note below
Languages
1
EN
Size
21 MB
Content notesInfrequent/Mild Medical/Treatment Information
FAST Pregnancy Calculator 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 FAST Pregnancy Calculator'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
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 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
4 ratings
Measured
Ratings
4
Measured
About FAST Pregnancy Calculator
THIS APP IS INTENDED FOR USE OF HEALTHCARE WORKERS. Pregnancy Calculator for Healthcare Professionals calculates the gestation week based on the first day of the last menstruation period or previous ultrasound scans. FAST is carefully designed to provide a convenient solution for physicians, midwives, nurses and medical secretaries with busy work schedules.
INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.
After the gestation week is determined, pressing the information tab at the bottom provides information on the progress of the pregnancy.
DISCLAIMER
The information provided by the app is not necessarily correct or accurate. It is based on available information and the overall developmental trends for the progress of pregnancy. We do not accept any medical responsibility.
All information, content, and material of this website is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider.
Dr. Onur İnce (Ob/Gyn specialist- Kütahya Health Sciences University, Kütahya, Turkey) [email protected]
INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.
After the gestation week is determined, pressing the information tab at the bottom provides information on the progress of the pregnancy.
DISCLAIMER
The information provided by the app is not necessarily correct or accurate. It is based on available information and the overall developmental trends for the progress of pregnancy. We do not accept any medical responsibility.
All information, content, and material of this website is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider.
Dr. Onur İnce (Ob/Gyn specialist- Kütahya Health Sciences University, Kütahya, Turkey) [email protected]
Latest updates
1.8.1
Bug fixes
FAST Pregnancy Calculator Android
FAST Pregnancy Calculator is #63 in Medical Free on Google Play in Turkey and charting in 1 of 23 countries we track.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperOnur Ince
CategoryMedical
PriceFree
Released
Installs100k+
Rating★ 4.9 (363)
Updated
Content ratingEveryone
Rating
4.9 ★
363 ratings
Measured
Best rank now
#63
Medical FreeMeasured
FAST Pregnancy Calculator on Google Play
App details
App ID
com.go.pregnancycalculator
Publisher
Guven Iscan
Publisher country
Sweden
Content rating
Everyone
FAST Pregnancy Calculator 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 FAST Pregnancy Calculator'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
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 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Turkey | MedicalFree | #63 |
Apps near FAST Pregnancy Calculator on the chart
Medical Free, around #63.
Ratings
Google Play, worldwide.
Rating
4.9 ★
363 ratings
Measured
Ratings
363
Measured
Written reviews
7
Measured
About FAST Pregnancy Calculator
THIS APP IS INTENDED FOR USE OF HEALTHCARE WORKERS. Pregnancy Calculator for Healthcare Professionals calculates the gestation week based on the first day of the last menstruation period or previous ultrasound scans. FAST is carefully designed to provide a convenient solution for physicians, midwives, nurses and medical secretaries with busy work schedules.
INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.
After the gestation week is determined, pressing the information tab at the bottom provides information on the progress of the pregnancy.
DISCLAIMER
The information provided by the app is not necessarily correct or accurate. It is based on available information and the overall developmental trends for the progress of pregnancy. We do not accept any medical responsibility.
All information, content, and material of this website is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider.
Dr. Onur İnce (Ob/Gyn specialist- Kütahya Health Sciences University, Kütahya, Turkey) [email protected]
INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.
After the gestation week is determined, pressing the information tab at the bottom provides information on the progress of the pregnancy.
DISCLAIMER
The information provided by the app is not necessarily correct or accurate. It is based on available information and the overall developmental trends for the progress of pregnancy. We do not accept any medical responsibility.
All information, content, and material of this website is for informational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider.
Dr. Onur İnce (Ob/Gyn specialist- Kütahya Health Sciences University, Kütahya, Turkey) [email protected]
What's new in 2.0.1
Fix display name