# MKBC Donor App vs MassMetrics

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.

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.

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.

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.

## The numbers

| Metric | MKBC Donor App | MassMetrics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/mkbc-donor-app/id6478323331/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/massmetrics/id6775668405/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 100 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Miller Keystone Blood Center](https://appshunter.io/developer/1732553493) | [Discrete Software LLC](https://appshunter.io/developer/6775668467) |

## What reviewers say

### MKBC Donor App

[App page](https://appshunter.io/ios/app/mkbc-donor-app/id6478323331)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MassMetrics

[App page](https://appshunter.io/ios/app/massmetrics/id6775668405)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $69.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*