Video Size Calculator vs CineMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Video Size Calculator
This tool helps you estimate video file sizes based on resolution, frame rate, and duration. It supports various units for easy conversion and allows for custom size inputs.
- Calculate approximate file capacity
- Supports standard resolutions (HD, DVD)
- Custom size calculations
- Converts between GB, MB, KB, and bytes
- Input for total video time
- Selectable FPS
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"Video Size Calculator" is a useful tool that will calculate the approximate file capacity after creating video easily. [Feature] The main frame size and frame rate can be calculated quickly because it is registered in the tab. Custom sizes can also be calculated by any numerical input. Calculated capacity is GB, MB, KB, can change the bytes and the unit does not need to be calculated each time. [How to use] 1. Choose from, such as full high-definition and DVD size. 2. The total time of the video, hour, minute, second input and respectively. 3. Select the FPS (frames displayed per second). 4. Calculate the approximate capacity and press the "Calculate" button. 5. The approximate file capacity was calculated switching in arbitrary units to confirm. Attention: In the case of bit rate calculation is calculated to enter a number from the time you turned on the switch. Please press again "Calculate" button if you want to change the number or tab recalculation. Please understand that only an approximate file capacity. The capacity of the sound source is not included.
CineMath
This app provides filmmakers and video professionals with a suite of twelve frame-accurate calculation tools. It helps with speed percentages, clip length adjustments, bitrate calculations, upload times, and more. Supports various frame rates, film formats, and offers offline operation.
- Frame-accurate calculations
- Speed percentage calculator
- Target length and bitrate tools
- Timecode and frame conversion
- Aspect ratio calculations
- Offline operation
- Supports multiple film formats
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CineMath is the professional calculator suite designed specifically for filmmakers, video editors, and production professionals. Twelve essential tools with frame-accurate precision and intuitive modern design. PROFESSIONAL CALCULATIONS: • Speed Percentage - Calculate frame rate conversion percentages with precision • Target Length - Determine clip length adjustments for perfect timing • Target Bitrate - Calculate optimal compression settings for any file size • Upload Time - Estimate transfer times for large video files • Time to Data - Convert runtime to storage requirements • Data to Time - Calculate maximum runtime from available storage • Time to Film - Calculate required film stock from recording time • Film to Time - Calculate recording time from available film stock • Aspect Ratio - Professional resolution and ratio calculations with smart pixel rounding • Timecode Calculator - Add, subtract, multiply, and divide timecodes • Timecode to Frames - Convert timecode to precise frame counts • Frames to Timecode - Convert frame counts to timecode values PROFESSIONAL FEATURES: • Frame-accurate calculations for 23.976, 24, 25, 29.97, 30, 50, 59.94, 60 fps and custom rates • Film format support: Super 8mm, Super 16mm, Super 35mm, 65mm, and IMAX • Smart Pixel Rounding Engine - Automatically rounds to broadcast standards and encoding-compatible values • Calculation History with advanced search and organization (Premium) • Professional Sharing - Export calculations as formatted text (Premium) • Bulk Operations - Select and share multiple calculations at once (Premium) • Dark and light mode support with professional design • Offline operation - no internet required • Universal app supporting iPhone, iPad, and Mac (Catalyst) • Professional precision for demanding workflows PERFECT FOR: • Film and video editors • Post-production professionals • Cinematographers and directors • Analog film production planners • Content creators and YouTubers • Broadcast engineers • Film students and educators • Anyone working with video timecode and technical specifications CineMath eliminates guesswork with precision calculations trusted by professionals. Download free and upgrade to CineMath Professional for advanced features. Privacy-focused: All calculations performed locally on your device.
Screenshots
Verdict
The clearest difference is price: CineMath at Free against Video Size Calculator's $1.99. CineMath also leads on rating (5.0 vs 2.7) and review sentiment (100% vs 67%). Video Size Calculator's advantage is in-app purchases (none vs 1). On ads, 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
CineMath is free to download; Video Size Calculator costs $1.99 up front. CineMath sells 1 one-off in-app purchase. Video Size Calculator asks for nothing beyond the download.
CineMath holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 67% of Video Size Calculator's written reviews are positive against 100% of CineMath's.
Video Size Calculator ships an update every 59 months, CineMath every 4 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Video Size Calculator | CineMath |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.7 (3 ratings) | 5.0 (12 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 12 — better |
| Update frequency | Every 59 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 0 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Takeshi Kayahashi | Bradford Operations LLC |
Customer experience
Video Size Calculator
CineMath
In-app purchases
Video Size Calculator
No in-app purchases
CineMath
- CineMath Professional$4.99
Questions
Is Video Size Calculator free?
Is CineMath free?
Which has better reviews, Video Size Calculator or CineMath?
Do Video Size Calculator or CineMath have ads?
Which is updated more often, Video Size Calculator or CineMath?
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