B12 App vs Video Summarizer
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
Read full descriptionHide full description
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.
Video Summarizer
Transform lengthy videos into concise, readable summaries. Extract key arguments, pros, cons, and audience sentiment. Engage with AI to clarify points and get structured takeaways, saving you time and enhancing comprehension.
- One-tap video summaries
- Comprehensive synthesis summaries
- Comment section insights
- Adjustable summary detail
- AI chat for follow-up questions
- Easy sharing and syncing
Read full descriptionHide full description
Video Summarizer is an AI video summarizer that turns long YouTube videos into clear, structured summaries you can read in minutes. Paste a link, share a video, or open it from YouTube to get the key ideas without watching the whole thing. Use it to summarize lectures, reviews, interviews, tutorials, podcasts, research videos, and more. What you can do Summarize videos fast Get the main ideas, important details, arguments, pros and cons, and action points. Choose the right format Read quick bullets, structured outlines, or richer synthesis summaries depending on your task. Understand the comments Summarize viewer comments to find common questions, useful tips, agreements, and debates. Ask follow-up questions Use AI chat to clarify terms, compare viewpoints, create notes, or go deeper into the topic. Save and share Keep your summaries organized, share them with others, and restore them across devices. Video Summarizer is made for students, professionals, creators, researchers, and curious minds who want to learn faster from YouTube and long-form video. Spend less time rewatching and more time understanding.
Screenshots
Verdict
B12 App and Video Summarizer both sit at 4.6 stars, but that hides the real split: 71% of Video Summarizer's written reviews are positive against 33% of B12 App's. Video Summarizer also leads on iOS requirement (13.0 vs 15.0). B12 App's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, rating, update cadence 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. Video Summarizer sells 3 one-off in-app purchases. B12 App asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for B12 App against 4.7 for Video Summarizer. That said, the two scores are not equally well evidenced: B12 App has 1.7K ratings behind it against 157, so its average is the more settled of the two. Written reviews are what separate them: 33% of B12 App's written reviews are positive against 71% of Video Summarizer's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | B12 App | Video Summarizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.7K ratings) | 4.7 (157 ratings) — better |
| Positive reviews | 33.3% of reviews | 70.8% of reviews — better |
| Number of ratings | 1.7K — better | 157 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | B12 for Digital Services | 耀 阮 |
Customer experience
B12 App
Video Summarizer
User reviews
B12 App
From 1.7K App Store ratingsWhat we love
- 💯 Excellent service
- 👍 User-friendly interface
Room to improve
- 🐛 Frequent crashes
- ⏱️ Slow performance
- 🔌 Drains battery quickly
Video Summarizer
From 157 App Store ratingsWhat we love
- 👍 Easy to use and understand
- 💡 Summarizes videos effectively
- 🚀 Saves time and effort
- 😊 Helpful for ADHD users
- ✅ Provides transcripts for reading
Room to improve
- 🐛 Doesn't work at all
- 🐛 Doesn't show results
- 🐛 Requires payment (points)
- 🐛 Issues with Arabic language
- 🐛 Summaries are messed up with mixed languages
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
Video Summarizer
Reported bugs
7 issues- Never works
- Didn't show even 1 result
- Arabic language issues
- Sentence messed up with English words in Arabic
- Перестало работать (Stopped working)
Show 2 moreShow fewer
- Проблемы с артефактами (Problems with artifacts)
- It never worked for me
Requested features
4 requests- Add personal notes to video summaries
- Automatic saving of notes to iCloud
- Summarize videos in Arabic
- Support for platforms other than YouTube
In-app purchases
B12 App
No in-app purchases
Video Summarizer
- Starter Pack$1.99
- Value Pack$3.99
- Premium Pack$7.99
Questions
Is B12 App free?
Is Video Summarizer free?
Which has better reviews, B12 App or Video Summarizer?
Do B12 App or Video Summarizer have ads?
Which is updated more often, B12 App or Video Summarizer?
Other comparisons















