B12 App vs MASTERBLOCK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
B12 App
This app serves as a digital school portal for guardians, centralizing all academic and non-academic school communications. It provides updates on events, marks, assignments, and allows for direct communication with school staff. Guardians can also track school bus locations and customize notification preferences.
- Academic and non-academic event notifications
- Student marks and report cards
- School announcements and administrative updates
- Customizable event calendar
- Private communication with school staff
- School bus tracking and arrival notifications
- Personalized notification preferences
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B12 app is the app that modernizes the communication between guardians and schools. It keeps guardians informed and reminded of all of the academic and non-academic events in their children’s school. It is your children’s school portal in your pocket! In B12 App: You will see all academic communication like exams, assignments, academic announcements, weekly plans and academic comments. You will receive student’s marks and report cards. You will receive all the school’s non- academic communication, like administrative announcement, activates announcements, absences, violations and outstanding balance You will be automatically reminded regarding important events in school. Moreover, you can also set your own reminders. You will have the school’s, calendar customized according to your children’s events in school (academic and non-academic) You will be able to communicate privately with the School’s administration and instructors You get notified when the bus is close to home, and has arrived to home or school, with the ability to see the children’s school bus location on map. You can set your preferences to choose which categories of information you want to be notified and reminded of.
MASTERBLOCK
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This app helps to scan Masterblock watches.
Screenshots
Verdict
The clearest difference is update cadence: B12 App at every 3 weeks against MASTERBLOCK's every 11 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
B12 App ships an update every 3 weeks, MASTERBLOCK every 11 months. The most recent releases landed on September 23, 2026 and September 5, 2026 respectively.
| Parameter | B12 App | MASTERBLOCK |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.7K ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1.7K — better | — |
| Update frequency | Every 3 weeks — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 17 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | B12 for Digital Services | Cryptolex SA |
Bugs and requests
B12 App
Reported bugs
3 issues- Unable to upload videos
- Incorrect family name display
- Blank image/video saving on iOS
Requested features
3 requests- Landscape mode support
- Ability to save/download media
- Point system for user engagement
MASTERBLOCK
Not enough reviews yet to summarise bugs or requests.
In-app purchases
B12 App
No in-app purchases
MASTERBLOCK
No in-app purchases









