Comparison

Calf Keeper vs MolarMetrics

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

Head to head
About

Calf Keeper

This app helps livestock owners manage their herds by tracking calf births, linking animals, and calculating calving dates. Premium features allow for custom data fields, animal scoring, photo uploads, and collaborative herd management.

Highlights
  • Calf birth tracking
  • Herd linking (cows, bulls)
  • Gestation calculator
  • Customizable data fields
  • Animal scoring
  • Photo uploads
  • Collaborative herd management
Features
Read full description

Calf Keeper is a calving book designed to be simple, easy to use, and customizable. Users can track data about calves as they're born and also link the calves to cows and bulls in their cattle herd. A gestation calculator is also provided to calculate approximate calving dates. By upgrading to Calf Keeper PLUS, users can customize their data entry. New fields can be added to allow you to track the data that is important to your operation. Users can also track customizable scores to help build a better picture of the quality of an animal. PRO users can add up to 10 photos per animal and also invite other users to manage their herd. When changes are made by other users, you can receive a notification to stay up to date with the latest status of your herd. Before purchasing a subscription, try a free 30-day trial to see if Calf Keeper is right for your operation. Calf Keeper is powered by Cattle Market Mobile. Terms of Service: https://www.calfkeeper.com/legal/terms

About

MolarMetrics

Instantly verify livestock age with AI-powered analysis of teeth photos. Generate shareable certificates for sales and export, and manage farm data including GPS, notes, and RFID tags. Collaborate with farm managers and vets, and receive real-time notifications.

Highlights
  • AI-powered livestock aging
  • Verifiable age certificates
  • Farm and herd management
  • GPS and RFID tag integration
  • Multi-language support
  • Real-time notifications
Features
Read full description

MolarMetrics puts instant, verifiable livestock age proof on your phone. Our patent-pending AI reads a simple lower-teeth photo to deliver a certified age estimate in seconds, plus a shareable certificate for stockyards, buyers, and export markets. Manage farms, herds, and individual animals in one place, invite managers and vets, and keep every scan tied to GPS, notes, and RFID tags. Review results, download certificates, and monitor token balances from the dashboard—no paper, no guesswork. Multi-language support and real-time notifications keep teams aligned from pasture to sale. Aging made accurate with MolarMetrics.

Screenshots

Calf Keeper4 screens
MolarMetrics4 screens

Verdict

The call

The clearest difference is review sentiment: MolarMetrics at 100% against Calf Keeper's 33%. MolarMetrics also leads on rating (5.0 vs 4.2). Calf Keeper's advantage is update cadence (every 2 weeks vs every 3 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. Calf Keeper sells 4 in-app purchases, starting at $5.99 per month and MolarMetrics sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MolarMetrics holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews point the same way: 33% of Calf Keeper's written reviews are positive against 100% of MolarMetrics's.

UpkeepUpdate frequency

Calf Keeper ships an update every 2 weeks, MolarMetrics every 3 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
Calf Keeper versus MolarMetrics: the parameters behind the verdict, then further details
ParameterCalf KeeperMolarMetrics
PriceFreeFree
Rating4.2 (5 ratings)5.0 (9 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings59 — better
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size56 MB72 MB
Age rating4+4+
DeveloperCattleSync, LLCMolarMetrics, LLC

Customer experience

Calf Keeper

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

MolarMetrics

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Calf Keeper

Subscriptions4
  • Calf Keeper Plus (Monthly)1 Month trial$5.991 Month
  • Calf Keeper Pro (Monthly)1 Month trial$9.991 Month
  • Calf Keeper Plus (Yearly)1 Month trial$59.991 Year
Show 1 more
  • Calf Keeper Pro (Yearly)1 Month trial$99.991 Year
7 purchases

MolarMetrics

One-time7
  • Single Token$2.00
  • Starter Token Package$9.49
  • Small Token Package$22.00
Show 4 more
  • Medium Token Package$45.00
  • Large Token Package$85.00
  • Pro Token Package$159.99
  • Enterprise Token Package$374.99

Questions

Is Calf Keeper free?
Calf Keeper is free to download, with in-app purchases available.
Is MolarMetrics free?
MolarMetrics is free to download, with in-app purchases available.
Which has better reviews, Calf Keeper or MolarMetrics?
MolarMetrics is rated higher. Calf Keeper averages 4.2 out of 5 from 5 ratings, while MolarMetrics averages 5.0 from 9 ratings.
Do Calf Keeper or MolarMetrics have ads?
Neither Calf Keeper nor MolarMetrics shows ads.
Which is updated more often, Calf Keeper or MolarMetrics?
Calf Keeper ships an update every 2 weeks, and MolarMetrics every 3 months. Most recently, Calf Keeper was updated on September 23, 2026 and MolarMetrics on September 18, 2026.

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