# Gradepen vs Logbook Supervisor

The clearest difference is in-app purchases: Logbook Supervisor at none against Gradepen's 8. Gradepen's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Gradepen sells 8 one-off in-app purchases. Logbook Supervisor asks for nothing beyond the download.

Gradepen ships an update every 6 weeks, Logbook Supervisor every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Gradepen | Logbook Supervisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/gradepen/id654152733/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 57.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 52 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Machlev Smart Applications Servico e Venda de Sistemas Ltda ME](https://appshunter.io/developer/654152736) | [Faculdades INTA](https://appshunter.io/developer/1170195147) |

## What reviewers say

### Gradepen

[App page](https://appshunter.io/ios/app/gradepen/id654152733)

This app automates the grading of shuffled tests using your device's camera for objective questions. Teachers can input grades for open-ended questions and export results to spreadsheets. It offers a free tier for grading assessments with up to five questions and five items.

**Highlights:** Automatic grading of objective questions, Handles shuffled question order, Input grades for open-ended questions, Export results to spreadsheet, Create and share test questions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 50 Grades Pack | $0.99 | one-time |
| Plus 150 Grades Pack | $0.99 | one-time |
| Plus 120 Grades Pack | $1.99 | one-time |
| Plus 300 Grades Pack | $1.99 | one-time |
| Plus 250 Grades Pack | $2.99 | one-time |
| Plus 600 Grades Pack | $3.99 | one-time |
| Plus 500 Grades Pack | $4.99 | one-time |
| Plus 1000 Grades Pack | $7.99 | one-time |


### Logbook Supervisor

[App page](https://appshunter.io/ios/app/logbook-supervisor/id6797984169)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gradepen free?

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

### Is Logbook Supervisor free?

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

### Do Gradepen or Logbook Supervisor have ads?

Neither Gradepen nor Logbook Supervisor shows ads.

### Which is updated more often, Gradepen or Logbook Supervisor?

Gradepen ships an update every 6 weeks, and Logbook Supervisor every 3 weeks. Most recently, Gradepen was updated on October 29, 2026 and Logbook Supervisor on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*