Aquarium Notepad vs QR code Scanner (by Danver)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aquarium Notepad
Manage your aquariums with detailed tracking of water parameters, maintenance schedules, and measurements. This app offers comprehensive tools for serious aquarists to maintain optimal conditions and keep thorough records of their aquatic environments.
- Water parameter tracking
- Maintenance task scheduling
- Measurement logging
- Multiple aquarium support
- Data import/export
- Charts and analytics
Read full descriptionHide full description
Professional aquarium management made simple. Track water parameters, maintenance tasks, and measurements for your aquarium with comprehensive tools designed for serious aquarists. Features: • Water parameter tracking and history • Maintenance task scheduling with notifications • Measurement logging and trends • Multiple aquarium support • Data import/export capabilities • Beautiful charts and analytics Perfect for both beginners and experienced aquarium enthusiasts who want to maintain optimal water conditions and keep detailed records of their aquatic environments.
QR code Scanner (by Danver)
Read full descriptionHide full description
See the real data inside QR codes! When you scan a QR code with your camera app, it automatically redirects you to websites, making you miss the original data embedded in the QR code. Shortened URLs like bit.ly or goo.gl redirect immediately, hiding the actual content. QR Code Scanner (by Danver) shows you exactly what's encoded in the QR code. Key Features: • Original Data Display - Shows the exact content embedded in QR codes • No Auto-Redirect - Review content before choosing to visit links • Multiple Scan Methods - Live camera scanning & image gallery import • One-Tap Copy - Instantly copy scanned data to clipboard Perfect for: - Those who want to see shortened URLs (bit.ly, etc.) as they are - Marketers analyzing tracking parameters and UTM tags in QR codes - Security-conscious users who verify content before visiting - Developers who need raw QR code data - Anyone wanting to check suspicious links before clicking Additional Features: - Dark mode support - 10 language support (English, 한국어, 日本語, 中文, Español, etc.) - Complete offline functionality - Fast scanning speed Real-World Example: - QR Code contains: bit.ly/abc123 → App shows "bit.ly/abc123" exactly - Regular camera: Auto-redirects to final site → Original URL lost - This app: View original data → Choose whether to visit Experience a true privacy-focused QR scanner, not just another QR reader! --- Privacy Policy: https://danver.io/danver-qrcode/privacy Terms of Service: https://danver.io/danver-qrcode/terms
Screenshots
Verdict
The clearest difference is ads: Aquarium Notepad at none against QR code Scanner (by Danver)'s shown. Aquarium Notepad also leads on update cadence (every 3 days vs every 11 days). On price, in-app purchases, device support and iOS requirement 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.
Aquarium Notepad ships an update every 3 days, QR code Scanner (by Danver) every 11 days. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.
| Parameter | Aquarium Notepad | QR code Scanner (by Danver) |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 days — better | Every 11 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12 | 12.0 |
| Further details — not scored | ||
| Size | 35 MB | 38 MB |
| Age rating | 4+ | 12+ |
| Developer | Quantum Technologies Limited Liability Company | Danver |
In-app purchases
Aquarium Notepad
No in-app purchases
QR code Scanner (by Danver)
No in-app purchases
Questions
Is Aquarium Notepad free?
Is QR code Scanner (by Danver) free?
Do Aquarium Notepad or QR code Scanner (by Danver) have ads?
Which is updated more often, Aquarium Notepad or QR code Scanner (by Danver)?
Other comparisons
