Gradus¹ vs HDV CAM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gradus¹
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.
- Calculate percentage of single entries
- Convert category grades to percentages
- Determine needed scores for desired grades
- Customizable and easy-to-use interface
Read full descriptionHide full description
Gradus¹ is an all-encompassing app that provides students the capability to precisely gauge their marks, as well as measure the impact finals and assignments will have on their overall grade. Features include: - Calculating the percentage of a single entry (i.e. 105 / 116) - Converting a four-point category grade into a percentage - Determine the mark needed on a final to achieve a desired grade - A beautiful, customizable, and easy-to-use interface
HDV CAM
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.
- Connect digital cameras
- Remote shooting control
- Adjust shooting modes
- Adjust shooting parameters
- Transfer photos and videos
- Instant file transfer
Read full descriptionHide full description
This app is used to connect digital cameras, remotely control camera shooting, and transfer captured photos and videos. It can remotely adjust the camera's shooting mode and adjust camera shooting parameters. Instantly transfer files captured by the camera to smart devices such as mobile phones. It is an excellent auxiliary app for cameras.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Gradus¹ | HDV CAM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) — better | 2.4 (25 ratings) |
| Positive reviews | 77.3% of reviews — better | 14.5% of reviews |
| Number of ratings | 6 | 25 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 18 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Abosh | 丹 罗 |
Customer experience
Gradus¹
HDV CAM
In-app purchases
Gradus¹
No in-app purchases
HDV CAM
No in-app purchases









