Comparison

MKBC Donor App vs MassMetrics

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

Head to head
About

MKBC Donor App

Schedule blood donation appointments, complete health questionnaires, and track your donation history. Access test results and loyalty rewards to support your local community's blood supply.

Highlights
  • Schedule donation appointments
  • Complete iScreen questionnaire
  • View donor history
  • Access test results
  • Manage Lifesaver Rewards
Features
Read full description

When you donate blood at Miller-Keystone Blood Center, you help save lives in your community! All blood collected goes to local hospitals - to your loved ones, your friends, your neighbors. Miller-Keystone Blood Center has been part of the community for over 50 years. With the MKBC Donor App, you can schedule appointments to give blood at our blood donor centers, satellite locations, and mobile drives. You can complete your iScreen questionnaire, see your donor history, test results, and access your Lifesaver Rewards.

About

MassMetrics

This app consolidates fitness tracking, including workouts, nutrition, bodyweight, and daily activity, into a single dashboard. It offers advanced metrics for serious lifters and bodybuilders to monitor progress and understand the connection between training and nutrition.

Highlights
  • Log workouts and build programs
  • Track calories and macros
  • Monitor bodyweight trends
  • Centralized dashboard for metrics
  • Advanced performance metrics
  • Track daily activity
Features
Read full description

MassMetrics is the all-in-one fitness tracker built for serious lifters and bodybuilders who care about the details. Instead of tracking workouts in one app, macros in another, bodyweight somewhere else, and progress in a spreadsheet, MassMetrics brings everything together in one place. TRACK YOUR TRAINING Log workouts, build programs and templates, track sets, reps, weight, and progression, and review advanced performance metrics over time. TRACK YOUR NUTRITION Log food, track calories and macros, and stay on top of the targets that support your current goal. TRACK YOUR BODYWEIGHT Set cutting, bulking, or maintenance goals and follow your weight trend over time instead of reacting to individual weigh-ins. TRACK YOUR DAILY ACTIVITY Monitor steps alongside your training, nutrition, and bodyweight so you can see the full picture in one place. SEE HOW EVERYTHING CONNECTS MassMetrics gives you a centralized dashboard for the metrics that matter most—training performance, calorie intake, macros, bodyweight, steps, and progress. GO DEEPER THAN THE BASICS Review workout history, estimated 1RM progression, bodyweight trends, and individual metrics to better understand how your training and nutrition are progressing. BUILT FOR PEOPLE WHO TRACK EVERYTHING MassMetrics is designed for lifters who want more than a basic workout log or calorie counter. If you're serious about training and already keep a close eye on your numbers, MassMetrics gives you one place to manage them all. Train. Track. Progress. Nutrition data is powered by fatsecret nutrition API (www.fatsecret.com) MassMetrics Privacy Policy: https://massmetrics.app/privacy MassMetrics Terms of Service: https://massmetrics.app/terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MKBC Donor App4 screens
MassMetrics4 screens

Verdict

The call

The clearest difference is review sentiment: MassMetrics at 100% against MKBC Donor App's 33%. MassMetrics also leads on rating (5.0 vs 3.5) and update cadence (every 4 days vs every 6 months). MKBC Donor App's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume and iOS requirement 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. MassMetrics sells 2 in-app purchases, starting at $9.99 per month. MKBC Donor App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MassMetrics holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 33% of MKBC Donor App's written reviews are positive against 100% of MassMetrics's.

UpkeepUpdate frequency

MKBC Donor App ships an update every 6 months, MassMetrics every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
MKBC Donor App versus MassMetrics: the parameters behind the verdict, then further details
ParameterMKBC Donor AppMassMetrics
PriceFreeFree
Rating3.5 (4 ratings)5.0 (3 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings4 — better3
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size42 MB100 MB
Age rating4+12+
DeveloperMiller Keystone Blood CenterDiscrete Software LLC

Customer experience

MKBC Donor App

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

MassMetrics

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MKBC Donor App

No in-app purchases

2 purchases

MassMetrics

Subscriptions2
  • Monthly Subscription7 Days trial$9.991 Month
  • Yearly Subscription$69.991 Year

Questions

Is MKBC Donor App free?
MKBC Donor App is free to download, with no in-app purchases.
Is MassMetrics free?
MassMetrics is free to download, with in-app purchases available.
Which has better reviews, MKBC Donor App or MassMetrics?
MassMetrics is rated higher. MKBC Donor App averages 3.5 out of 5 from 4 ratings, while MassMetrics averages 5.0 from 3 ratings.
Do MKBC Donor App or MassMetrics have ads?
MassMetrics shows ads; MKBC Donor App does not.
Which is updated more often, MKBC Donor App or MassMetrics?
MKBC Donor App ships an update every 6 months, and MassMetrics every 4 days. Most recently, MKBC Donor App was updated on October 24, 2026 and MassMetrics on October 25, 2026.

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