Comparison

BM Counter vs RBCX Calculation Tool

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

Head to head
About

BM Counter

This app assists in counting bone marrow cells for clinical work in animal hospitals. It features touch-based counting with undo functionality and data archiving. Users can choose between vibration and sound notifications for a tactile counting experience.

Highlights
  • Touch cell button for counting
  • Count up & count down modes
  • Notifications at 100, 200, 500, 1000 counts
  • Undo last 3 counts
  • Archive count data
  • Vibration and/or sound feedback
Features
Read full description

This application is bone marrow cells differential counter for clinical works in the animal hospital. - Touch cell button - Count up & count down mode - A pop-up notification will appear when the total count reaches 100, 200, 500, and 1000 - Undo 3 previous count - Archive count data Vibration and/or sound tell you counting while using microscopy. You can choice vibration and/or sound. If you notice any problem, please tell me.

About

RBCX Calculation Tool

This medical tool assists healthcare professionals in estimating the required replacement fluid volume for red blood cell exchange procedures on the Spectra Optia system. It calculates volumes based on patient and fluid data to achieve target Hct and FCR, and can suggest custom primes.

Highlights
  • Estimate replacement fluid volume
  • Calculate target Hct and FCR
  • Determine custom prime recommendation
  • Uses patient and fluid data
  • Supports Spectra Optia system
Features
Read full description

The Spectra Optia® Apheresis System RBCX Calculation Tool is intended to help medical professionals who are responsible for prescribing and performing red blood cell exchange (RBCX) procedures to estimate the volume of replacement fluid required to perform a procedure on the Spectra Optia system. Using the same patient data and the same fluid data that is entered on the Spectra Optia system, the RBCX Calculation Tool calculates and displays the estimated volume of replacement fluid required to achieve the target Hct and FCR. It can also determine whether a custom prime is recommended. While the tool is intended to help prepare for a procedure, it is not intended to be used for making medical decisions. Use of the Spectra Optia® Apheresis System RBCX Calculation Tool on iOS requires iOS version 14.0 or above. For more information about the tool, see the About page.

Screenshots

BM Counter4 screens
RBCX Calculation Tool4 screens

Verdict

The call

The clearest difference is rating: RBCX Calculation Tool at 4.8 against BM Counter's 4.1. RBCX Calculation Tool also leads on ads (none vs shown) and update cadence (every 15 months vs every 72 months). BM Counter's advantage is iOS requirement (12.0 vs 15.6). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

RBCX Calculation Tool holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 9 and 5 respectively.

UpkeepUpdate frequency

BM Counter ships an update every 72 months, RBCX Calculation Tool every 15 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

Scorecard5 real differences · 5 level
BM Counter versus RBCX Calculation Tool: the parameters behind the verdict, then further details
ParameterBM CounterRBCX Calculation Tool
PriceFreeFree
Rating4.1 (9 ratings)4.8 (5 ratings) — better
Positive reviews86.4% of reviews
Number of ratings9 — better5
Update frequencyEvery 72 monthsEvery 15 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size54 MB26 MB
Age rating4+4+
DeveloperKazuyoshi SasaokaTerumo BCT

Customer experience

BM Counter

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%
Written reviews22 reviews
Positive86.4%
Neutral9.1%
Negative4.5%

RBCX Calculation Tool

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

BM Counter

No in-app purchases

None

RBCX Calculation Tool

No in-app purchases

Questions

Is BM Counter free?
BM Counter is free to download, with no in-app purchases.
Is RBCX Calculation Tool free?
RBCX Calculation Tool is free to download, with no in-app purchases.
Which has better reviews, BM Counter or RBCX Calculation Tool?
RBCX Calculation Tool is rated higher. BM Counter averages 4.1 out of 5 from 9 ratings, while RBCX Calculation Tool averages 4.8 from 5 ratings.
Do BM Counter or RBCX Calculation Tool have ads?
BM Counter shows ads; RBCX Calculation Tool does not.
Which is updated more often, BM Counter or RBCX Calculation Tool?
BM Counter ships an update every 72 months, and RBCX Calculation Tool every 15 months. Most recently, BM Counter was updated on September 18, 2026 and RBCX Calculation Tool on June 1, 2026.

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