# GradeVine vs Harmony PBA/RP

The clearest difference is in-app purchases: Harmony PBA/RP at none against GradeVine's 4. Harmony PBA/RP also leads on iOS requirement (16.4 vs 18.2). GradeVine's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. GradeVine sells 4 in-app purchases, starting at $4.99 per month. Harmony PBA/RP asks for nothing beyond the download.

GradeVine ships an update weekly, Harmony PBA/RP every 2 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | GradeVine | Harmony PBA/RP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/gradevine/id6755069483/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 41 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moses Harding](https://appshunter.io/developer/1497468213) | [Harmony Public Schools](https://appshunter.io/developer/957353321) |

## What reviewers say

### GradeVine

[App page](https://appshunter.io/ios/app/gradevine/id6755069483)

This app automates the grading of handwritten student assignments using AI. It scans documents, organizes responses by question, and allows for quick grading and feedback. Gain insights into student performance and identify learning trends.

**Highlights:** AI-powered handwriting recognition, Automated response organization, Quick grading with one tap, Reusable feedback comments, Keyword and semantic matching, Student performance analytics, Export grades to CSV, PDF, or Google Drive

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Monthly Subscription | $4.99 | per month |
| Pro Monthly Subscription | $9.99 | per month |
| Standard Yearly Subscription | $49.99 | per year |
| Pro Yearly Subscription | $99.99 | per year |


### Harmony PBA/RP

[App page](https://appshunter.io/ios/app/harmony-pbarp/id6791311754)

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

**In-app purchases:** none


## Frequently asked questions

### Is GradeVine free?

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

### Is Harmony PBA/RP free?

Harmony PBA/RP is free to download, with no in-app purchases.

### Do GradeVine or Harmony PBA/RP have ads?

Neither GradeVine nor Harmony PBA/RP shows ads.

### Which is updated more often, GradeVine or Harmony PBA/RP?

GradeVine ships an update weekly, and Harmony PBA/RP every 2 months. Most recently, GradeVine was updated on October 6, 2026 and Harmony PBA/RP on October 15, 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.*