Megapixels Resolution Calc vs BetterCallGuard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Megapixels Resolution Calc
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How many pixels in a 12 megapixels image? How does that compare to difference aspect ratio? What is the resolution of Digital Cinema with 21:9 aspect ratio? How many megapixels by giving X width and Y height by image? How about the aspect ratio? The answer is here! This is a megapixel-resolution calculator, a tool to calculate and convert the graphical resolution base on 4 different aspect ratios 4:3 (SD), 16:9 (HD/fHD/4K), 21:9 (cinema) and 1:1. This tool also calculates and convert graphical resolution to megapixels. The output will include 4 different aspect ratios 4:3 (SD), 16:9 (HD/fHD/4K), 21:9 (cinema) and 1:1 if the ratio match one of these. Preview box will give you an impression for resolution input. 21:9, 16:9 and 4:3 is the ratio of x:y or width:height of the image sensor or output image/video format. Older digital cameras/camcorders aspect ratio is usually 4:3 (SD). However newer digital cameras/camcorders aspect ratio is 16:9 (HD/fHD/4K). Video cameras such as camcorders can be either 4:3 (SD) or 16:9 (HD/fHD/4K). Some camcorders (video and digital) can do both 4:3 (SD) and 16:9 (HD/fHD/4K). Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
BetterCallGuard
Block unwanted promotional and spam calls efficiently. This app uses smart algorithms to block calls in bulk by number segments without tracking your private data, ensuring your privacy and peace of mind.
- Block promotional/spam calls
- Bulk blocking by number segments
- Whitelist specific numbers
- iCloud synchronization
- User data and privacy security
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Tired of unwanted promotional calls? Concerned about other call-blocking apps invading your privacy? “BetterCallGuard” puts an end to endless telemarketing interruptions. With its powerful smart algorithms, it can block promotional calls in bulk without tracking or using any of your private data. Restore peace to your phone and bring calm back to your life. Key Features: • Block promotional/spam calls individually or in bulk by entire number segments. • Whitelist to allow specific numbers to bypass blocking. • iCloud synchronization across multiple devices. • Ensures user data and privacy security, with no storage, tagging, or tracking of any sensitive data—use with confidence.
Screenshots
Verdict
The clearest difference is update cadence: BetterCallGuard at every 6 weeks against Megapixels Resolution Calc's every 38 months. BetterCallGuard also leads on price ($0.99 vs $2.99). On ads, 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
Megapixels Resolution Calc costs $2.99 and BetterCallGuard $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Megapixels Resolution Calc ships an update every 38 months, BetterCallGuard every 6 weeks. Both last shipped on October 9, 2026.
| Parameter | Megapixels Resolution Calc | BetterCallGuard |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 38 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13 — better | 14 |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Heng Jia Liang | Qingdao Chuyan Technology Co., Ltd |
In-app purchases
Megapixels Resolution Calc
No in-app purchases
BetterCallGuard
No in-app purchases
Questions
Is Megapixels Resolution Calc free?
Is BetterCallGuard free?
Do Megapixels Resolution Calc or BetterCallGuard have ads?
Which is updated more often, Megapixels Resolution Calc or BetterCallGuard?
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