# Gradus¹ vs HDV CAM

The clearest difference is review sentiment: Gradus¹ at 77% against HDV CAM's 15%. Gradus¹ also leads on rating (4.5 vs 2.4) and iOS requirement (9.0 vs 15.6). HDV CAM's advantage is update cadence (every 2 weeks vs every 3 months) and ratings volume (25 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Gradus¹ holds the better App Store score, 4.5 against 2.4. Both are backed by a comparable volume of ratings — 6 and 25 respectively. Written reviews point the same way: 77% of Gradus¹'s written reviews are positive against 15% of HDV CAM's.

Gradus¹ ships an update every 3 months, HDV CAM every 2 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | Gradus¹ | HDV CAM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/gradus/id1063184658/reviews)** | [2.4 (25 ratings)](https://appshunter.io/ios/app/hdv-cam/id6478582255/reviews) |
| Number of ratings | 6 | **25** |
| Positive reviews | **77.3% of reviews** | 14.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 46 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Abosh](https://appshunter.io/developer/1048816559) | [丹 罗](https://appshunter.io/developer/1724968215) |

## What reviewers say

### Gradus¹

[App page](https://appshunter.io/ios/app/gradus/id1063184658)

This app helps students accurately calculate their current grades and understand the impact of future assignments and exams on their overall performance. It offers a user-friendly interface for managing academic progress.

**Highlights:** Calculate percentage of single entries, Convert category grades to percentages, Determine needed scores for desired grades, Customizable and easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none


### HDV CAM

[App page](https://appshunter.io/ios/app/hdv-cam/id6478582255)

Connect your digital camera to your smart device for remote shooting control and instant file transfer. Adjust shooting modes and parameters from afar, making it a powerful companion for your camera.

**Highlights:** Connect digital cameras, Remote shooting control, Adjust shooting modes, Adjust shooting parameters, Transfer photos and videos, Instant file transfer

**In-app purchases:** none


## Frequently asked questions

### Is Gradus¹ free?

Gradus¹ is free to download, with no in-app purchases.

### Is HDV CAM free?

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

### Which has better reviews, Gradus¹ or HDV CAM?

Gradus¹ is rated higher. Gradus¹ averages 4.5 out of 5 from 6 ratings, while HDV CAM averages 2.4 from 25 ratings.

### Do Gradus¹ or HDV CAM have ads?

Neither Gradus¹ nor HDV CAM shows ads.

### Which is updated more often, Gradus¹ or HDV CAM?

Gradus¹ ships an update every 3 months, and HDV CAM every 2 weeks. Most recently, Gradus¹ was updated on October 20, 2026 and HDV CAM on October 20, 2026.

---

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