# ZipGrade vs Raptor Alert

The clearest difference is review sentiment: ZipGrade at 86% against Raptor Alert's 17%. ZipGrade also leads on rating (4.9 vs 2.6) and ratings volume (37K vs 180). Raptor Alert's advantage is in-app purchases (none vs 1) and chart position (#177 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ZipGrade sells 1 one-off in-app purchase. Raptor Alert asks for nothing beyond the download.

ZipGrade holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: ZipGrade has 37K ratings behind it against 180, so its average is the more settled of the two. Written reviews point the same way: 86% of ZipGrade's written reviews are positive against 17% of Raptor Alert's.

ZipGrade ships an update every 6 weeks, Raptor Alert every 3 weeks. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ZipGrade | Raptor Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (37K ratings)](https://appshunter.io/ios/app/zipgrade/id635077270/reviews)** | [2.6 (180 ratings)](https://appshunter.io/ios/app/raptor-alert/id1523556398/reviews) |
| Number of ratings | **37K** | 180 |
| Positive reviews | **85.9% of reviews** | 17.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#177** |
| Size | 30 MB | 209 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipGrade LLC](https://appshunter.io/developer/582826575) | [Raptor Technologies, LLC](https://appshunter.io/developer/1148951138) |

## What reviewers say

### ZipGrade

[App page](https://appshunter.io/ios/app/zipgrade/id635077270)

Instantly grade multiple-choice tests and quizzes using your device's camera. This app offers a fast and accurate way for educators to assess student work, with features for organizing and exporting results. It provides immediate feedback to inform lesson planning and assignments.

**Highlights:** Instant grading with device camera, Supports multiple choice tests and quizzes, Organizes and exports results (PDF, Excel), Free answer sheet templates available, Companion website for data management, Stores results by student, subject, and quiz

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 1 year of use | $6.99 | one-time |

**What reviewers like**

- 🚀 Efficient grading
- 👍 Instant feedback for students
- 📊 Detailed data analysis
- 💰 Affordable subscription
- ⏱️ Time-saving

**What reviewers complain about**

- 🐛 Inconsistent scanning issues
- 🔍 Difficulty navigating interface
- 🔢 Lack of class/student grouping options
- 🖼️ Poor image quality for student names

**Reported bugs**

- Scanning issues with flat surface detection
- Incorrect answer marking due to eraser marks

**Requested features**

- Ability to change question point values in bulk
- Option to create/edit answer keys on website
- Support for non-multiple choice question types
- Improved data export/integration with other systems


### Raptor Alert

[App page](https://appshunter.io/ios/app/raptor-alert/id1523556398)

**Currently charting:** #177 Top Free · Education (US App Store)

This app enhances school safety by providing a silent panic alert system, streamlining emergency response, and facilitating student reunification. It integrates with existing security systems and student information systems for real-time accountability and drill management.

**Highlights:** Silent panic alert system, Expedited emergency response, Bi-directional security system integration, Mandated drill compliance and tracking, Real-time student and staff accountability, Patented student reunification workflow

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Better than Navigate Prepared (lowstringc)
- 👍 Amazing app for internal communication (powerhouse231)

**What reviewers complain about**

- 👎 Poorly designed roster system
- 👎 Bulky UI
- 👎 Bad return on questions
- 👎 Inconsistent performance
- 👎 Not reliable or credible

**Reported bugs**

- Roster system is poorly designed
- UI is bulky
- Return on questions by Raptor is bad
- Extremely inconsistent
- Doesn't work for half of the faculty and staff

**Requested features**

- District should pay for personal phone use for 2FA
- Better way to notify than personal phones
- Require phone use on school devices like iPads
- Remove ability to disable notification sound
- Improve UI/UX for speed and intuitiveness


## Frequently asked questions

### Is ZipGrade free?

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

### Is Raptor Alert free?

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

### Which has better reviews, ZipGrade or Raptor Alert?

ZipGrade is rated higher. ZipGrade averages 4.9 out of 5 from 37K ratings, while Raptor Alert averages 2.6 from 180 ratings.

### Do ZipGrade or Raptor Alert have ads?

Neither ZipGrade nor Raptor Alert shows ads.

### Which is updated more often, ZipGrade or Raptor Alert?

ZipGrade ships an update every 6 weeks, and Raptor Alert every 3 weeks. Most recently, ZipGrade was updated on October 23, 2026 and Raptor Alert on October 20, 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.*