# B12 App vs Video Summarizer

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.

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.

## The numbers

| Metric | B12 App | Video Summarizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.7K ratings)](https://appshunter.io/ios/app/b12-app/id1231823690/reviews) | **[4.7 (157 ratings)](https://appshunter.io/ios/app/video-summarizer/id6467559411/reviews)** |
| Number of ratings | **1.7K** | 157 |
| Positive reviews | 33.3% of reviews | **70.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 73 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B12 for Digital Services](https://appshunter.io/developer/1231823689) | [耀 阮](https://appshunter.io/developer/1263363549) |

## What reviewers say

### B12 App

[App page](https://appshunter.io/ios/app/b12-app/id1231823690)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💯 Excellent service
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 Frequent crashes
- ⏱️ Slow performance
- 🔌 Drains battery quickly

**Reported bugs**

- Unable to upload videos
- Incorrect family name display
- Blank image/video saving on iOS

**Requested features**

- Landscape mode support
- Ability to save/download media
- Point system for user engagement


### Video Summarizer

[App page](https://appshunter.io/ios/app/video-summarizer/id6467559411)

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.

**Highlights:** One-tap video summaries, Comprehensive synthesis summaries, Comment section insights, Adjustable summary detail, AI chat for follow-up questions, Easy sharing and syncing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Value Pack | $3.99 | one-time |
| Premium Pack | $7.99 | one-time |

**What reviewers like**

- 👍 Easy to use and understand
- 💡 Summarizes videos effectively
- 🚀 Saves time and effort
- 😊 Helpful for ADHD users
- ✅ Provides transcripts for reading

**What reviewers complain about**

- 🐛 Doesn't work at all
- 🐛 Doesn't show results
- 🐛 Requires payment (points)
- 🐛 Issues with Arabic language
- 🐛 Summaries are messed up with mixed languages

**Reported bugs**

- Never works
- Didn't show even 1 result
- Arabic language issues
- Sentence messed up with English words in Arabic
- Перестало работать (Stopped working)

**Requested features**

- Add personal notes to video summaries
- Automatic saving of notes to iCloud
- Summarize videos in Arabic
- Support for platforms other than YouTube


## Frequently asked questions

### Is B12 App free?

B12 App is free to download, with no in-app purchases.

### Is Video Summarizer free?

Video Summarizer is free to download, with in-app purchases available.

### Which has better reviews, B12 App or Video Summarizer?

Video Summarizer is rated higher. B12 App averages 4.6 out of 5 from 1.7K ratings, while Video Summarizer averages 4.7 from 157 ratings.

### Do B12 App or Video Summarizer have ads?

Video Summarizer shows ads; B12 App does not.

### Which is updated more often, B12 App or Video Summarizer?

B12 App ships an update every 3 weeks, and Video Summarizer every 3 weeks. Most recently, B12 App was updated on September 23, 2026 and Video Summarizer on September 22, 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.*