Comparison

HerdCalc vs Chemo Brain Cognitive Research

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

Head to head
About

HerdCalc

Features
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The Herd Pregnancy and Servicing Calculator app allows the user to input reproductive parameters from his herd and then calculate the required number of pregnancies and servicing per interval to maintain the herd. To begin, the user should enter the herd size, calving interval, pregnancy loss rate, culling rate and death rate. Then the user should enter the average conception rate for lactating cows and the average conception rate in virgin heifers. To obtain the data for text fields required, you may refer to a report generated by the software present at the farm.

About

Chemo Brain Cognitive Research

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This app is designed for people who wish to participate in scientific studies related to the cognitive symptoms associated with Chemo Brain. Cancer is a devastating disease that affects millions of people worldwide. Although there are more and more medical advances, the treatments continue to be very aggressive and often have many unwanted side effects. Chemotherapy is one of the more common treatments and it is common for people who have gone through this oncological treatment to develop certain cognitive difficulties (such as concentration problems, difficulty remembering information, etc.). People living with Chemo Brain can be affected by various alterations in their cognitive abilities. This app is used to investigate the following aspects related to this disorder: Focused Attention, Spatial Perception, Short-Term Memory, Cognitive Flexibility, Processing Speed, and Response Time. INVESTIGATIVE TOOL FOR EXPERTS IN NEUROSCIENCE This application is designed to promote scientific research by providing digital tools which help in the cognitive evaluation and treatment of people living with cognitive symptoms related to chemotherapy. Chemo Brain Cognitive Research is an instrument for the scientific community and universities around the world. To participate in research focusing on evaluation and cognitive stimulation related to Chemo Brain, download the APP and experience the most advanced digital tools that are being developed by researchers around the world. This app is for research purposes only and does not claim to diagnose or treat cognitive symptoms related to chemotherapy. Further research is required to draw conclusions. Terms and Conditions: https://www.cognifit.com/terms-and-conditions

Screenshots

HerdCalc4 screens
Chemo Brain Cognitive Research4 screens

Verdict

The call

The clearest difference is update cadence: Chemo Brain Cognitive Research at every 3 months against HerdCalc's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

HerdCalc ships an update every 11 months, Chemo Brain Cognitive Research every 3 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

Scorecard1 real difference ยท 5 level
HerdCalc versus Chemo Brain Cognitive Research: the parameters behind the verdict, then further details
ParameterHerdCalcChemo Brain Cognitive Research
PriceFreeFree
Update frequencyEvery 11 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 โ€” better16.0
Further details โ€” not scored
Size18 MB302 MB
Age rating4+4+
DeveloperCeva Sante Animale S.A.CogniFit

In-app purchases

None

HerdCalc

No in-app purchases

None

Chemo Brain Cognitive Research

No in-app purchases

Questions

Is HerdCalc free?
HerdCalc is free to download, with no in-app purchases.
Is Chemo Brain Cognitive Research free?
Chemo Brain Cognitive Research is free to download, with no in-app purchases.
Do HerdCalc or Chemo Brain Cognitive Research have ads?
Neither HerdCalc nor Chemo Brain Cognitive Research shows ads.
Which is updated more often, HerdCalc or Chemo Brain Cognitive Research?
HerdCalc ships an update every 11 months, and Chemo Brain Cognitive Research every 3 months. Most recently, HerdCalc was updated on October 26, 2026 and Chemo Brain Cognitive Research on October 21, 2026.

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