FeedScan vs Pearson Square Calculation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FeedScan
Streamline the submission of feed and forage samples to a laboratory. Capture detailed sample information, generate codes, and track analyses. View and share results, find drop-off locations, and receive updates, even without an internet connection.
- Scan barcodes or generate codes for samples
- Enter and save sample information
- View and share lab results
- Navigate to sample drop points
- Receive laboratory updates
- Offline sample submission
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Submit feed and forage samples to Rock River Laboratory quickly and easily with FeedScan. Recent updates also allow users to view and share results directly from the app, navigate to the nearest sample drop point, and receive important updates from the Rock River Laboratory team. Save time at the bunk with FeedScan sample submission. Rock River Laboratory’s FeedScan app allows you to submit sample information from the field using your iPhone, iPad, or iPod Touch to guide you through the process with no typing or writing. Simply scan the provided barcode, or generate a code on the fly for your sample bag, enter your sample information, and submit. You can even save sample descriptions to track repeated analyses! -Reduce sample information errors -Capture sample details -Unlock sample average information on results reports FeedScan does not require internet connectivity. If you find yourself out of range, sample information is saved and can be submitted when you are back in service. Rock River Laboratory login credentials are required. For more information contact us.
Pearson Square Calculation
This tool simplifies ration balancing using the Pearson square method. It helps determine exact proportions of ingredients for specific nutrient targets, applicable in various industries like animal feed, dairy, and food production.
- Pearson square method for ration balancing
- Determine exact ingredient proportions
- Calculate specific nutrient targets (e.g., crude protein)
- Multipurpose application in various industries
- Simplifies complex ratio calculations
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The Pearson square or box method of balancing rations is a simple procedure that has been used for many years. It is of greatest value when only two ingredients are to be mixed. It is used to determine the exact proportions of feed needed to produce a specific quantity of crude protein, fat, TDP, etc (for example). It has a multipurpose application in determining ratio proportion in the milk industry, wine, food, and cattle feed industry. Enjoy using the Calculation and do review it on Appstore. Pearson Square Team.
Screenshots
Verdict
The clearest difference is review sentiment: FeedScan at 100% against Pearson Square Calculation's 0%. FeedScan also leads on price (Free vs $1.99) and rating (4.9 vs 3.8). On ratings volume, ads, in-app purchases and device support 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
FeedScan is free to download; Pearson Square Calculation costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FeedScan holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 8 and 16 respectively. Written reviews point the same way: 100% of FeedScan's written reviews are positive against 0% of Pearson Square Calculation's.
FeedScan ships an update every 5 weeks, Pearson Square Calculation every 21 months. The most recent releases landed on September 23, 2026 and October 8, 2026 respectively.
| Parameter | FeedScan | Pearson Square Calculation |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.9 (8 ratings) — better | 3.8 (16 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 8 | 16 — better |
| Update frequency | Every 5 weeks — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Rock River Laboratory, Inc. | Raghav Sharma |
Customer experience
FeedScan
Pearson Square Calculation
In-app purchases
FeedScan
No in-app purchases
Pearson Square Calculation
No in-app purchases
Questions
Is FeedScan free?
Is Pearson Square Calculation free?
Which has better reviews, FeedScan or Pearson Square Calculation?
Do FeedScan or Pearson Square Calculation have ads?
Which is updated more often, FeedScan or Pearson Square Calculation?
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