# Blackboard vs Sentry

The clearest difference is update cadence: Blackboard at monthly against Sentry's every 19 months. Blackboard also leads on chart position (#141 vs unranked). Sentry's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Blackboard ships an update monthly, Sentry every 19 months. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Blackboard | Sentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (445K ratings)](https://appshunter.io/ios/app/blackboard/id950424861/reviews)** | — |
| Number of ratings | **445K** | — |
| Positive reviews | 14.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Free | — |
| Best chart rank | **#141** | — |
| Size | 172 MB | 28 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anthology Inc.](https://appshunter.io/developer/1676499025) | [S. B. ELECTRONIC SYSTEMS LIMITED](https://appshunter.io/developer/1230083095) |

## What reviewers say

### Blackboard

[App page](https://appshunter.io/ios/app/blackboard/id950424861)

**Currently charting:** #141 Top Free · Education (US App Store)

This app connects students and instructors to their institution's learning management system. Access course materials, submit assignments, track grades, and communicate with peers and instructors on the go.

**Highlights:** Course updates and announcements, Assignment submission and testing, Grade tracking, Discussion board management, Material organization, Real-time notifications

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 👍 User-friendly interface
- 🔒 Secure login process
- 💡 Helpful for busy students

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔄 Constant need to re-login
- 🕰️ Slow loading times
- 📱 Not optimized for mobile/tablets

**Reported bugs**

- Activity stream not loading properly
- Inconsistent behavior across mobile and web
- Inability to view full assignment details

**Requested features**

- Ability to customize course order
- Improved notifications and alerts
- Split-screen functionality for multitasking
- Offline access to course materials


### Sentry

[App page](https://appshunter.io/ios/app/sentry/id6446584580)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Blackboard free?

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

### Is Sentry free?

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

### Do Blackboard or Sentry have ads?

Neither Blackboard nor Sentry shows ads.

### Which is updated more often, Blackboard or Sentry?

Blackboard ships an update monthly, and Sentry every 19 months. Most recently, Blackboard was updated on November 9, 2026 and Sentry on November 7, 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.*