tcCalc vs Artemis Director's Viewfinder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
tcCalc
This calculator specializes in timecode and frame-based calculations, offering a familiar interface for quick conversions and duration calculations. It supports multiple frame rates and allows for easy copying and pasting of results.
- Timecode and frame calculations
- Convert between timecode and frames
- Supports multiple frame rates
- Automatic value adjustment
- Copy and paste functionality
- Memory function
- Calculation history
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tcCalc is a calculator built for one job: timecode math for video production. Add and subtract timecode, let it handle drop frame for you, and switch to a frame count with a single tap, all with the feel of an ordinary calculator. Time bases 23.98 / 24 / 25 / 29.97 / 30 / 50 / 59.94 / 60 fps, plus hh:mm:ss for working without frames. Drop frame is applied automatically at 29.97 and 59.94 fps. Features - Add and subtract timecode - One-tap switching between timecode and frame count (seconds in hh:mm:ss mode) - Automatic drop frame handling (29.97 / 59.94 fps) - Constant calculation: press = again to repeat the last operation - Memory: add, subtract, recall, and clear - Calculation history: up to 20 entries with frame rate and date; tap to restore, swipe to delete - Open history with the clock button or by swiping up on the display - Copy and paste from the ••• menu or by touching and holding the result - Built-in How to Use guide Easy to read - Large keys, color-coded by role - Dark mode - iPhone and iPad, in all four orientations - Dynamic Type and VoiceOver support Simple by design - No ads - No in-app purchases - No account or sign-in - The app itself makes no network connections and works offline - No analytics and no tracking Whether you are timing a shoot, finding an edit point, or adding up the length of your footage, tcCalc keeps the math out of your way.
Artemis Director's Viewfinder
This app provides a comprehensive database of professional cameras and lenses, allowing filmmakers to visualize shots with custom formats. It streamlines communication between directors and cinematographers, ensuring everyone is aligned on the exact frame.
- Professional camera and lens database
- Custom camera format support
- Accurate shot visualization
- Streamlined crew communication
- Location scouting tool
- Blocking rehearsal recording
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Artemis offers a comprehensive database of professional motion picture cameras and lenses, with the facility to add any custom camera format. Hear from our users: Roger Deakins ASC, BSC: Cinematographer (Two Academy Awards wins, 16 nominations) Blade Runner 2049, Sicario, James Bond: Skyfall, The Shawshank Redemption - “It’s great having Artemis on my iPhone. Since I always have my phone with me, I always have a viewfinder at hand. Not only convenient but extremely accurate.” Claudio Miranda ASC: Cinematographer Top Gun: Maverick, F1, Life of Pi, Benjamin Button, Oblivion - “I've been using Artemis from the very beginning. I love that it's a shared tool. First between the director and myself. Then once we approve shots, the images from Artemis get shared with the crew.” Kate Dennis DGA: Director The Handmaid’s Tale, Glow, The Serpent Queen - "Artemis has streamlined my communication with cinematographers, VFX supervisors and other Heads of Department. Now we all know that we are talking about the exact same frame!" Linus Sandgren FSF: Cinematographer Saltburn, La La Land, Babylon, Joy, American Hustle - "Artemis is an amazing Swiss army knife style lens kit that has helped me frame up countless shots in any format in an instant.” Matthew Libatique ASC: Cinematographer Maestro, A Star is Born, Black Swan, Requiem for a Dream, The Fountain - "Not only do I frame every shot with Artemis , I use it to record blocking rehearsals and as part of my process when debating lens and format choices as I work with a director and production designer while location scouting.” Nicolas Winding Refn: Director Too Old to Die Young, The Neon Demon, Only God Forgives, Pusher - "Artemis Pro has tapped into the way of the future by taking full advantage of the digital revolution. The app quickly became an essential tool to capturing my vision.” Mandy Walker ASC, ACS: Cinematographer Elvis, Mulan,, Hidden Figures, Truth, Australia - "Both Artemis & Artemis Prime are essential tool when scouting locations, allowing accurate information to pass from the director and DP to the crew" Barry Ackroyd BSC: Cinematographer Jason Bourne, The Big Short, Captain Phillips, Hurt Locker - "Artemis makes me feel smarter than I was without it. It’s the sharpest tool on my iPhone.” Toby Oliver ACS Cinematographer Get Out, M3GAN 2.0, Happy Death Day, Insidious IV, Wolf Creek 2 - "Artemis Pro is so well thought out. You can precisely choose the camera package and lenses you have to hand to obtain exact ideas of shot angles and sizes on the location survey.” Darius Khondji ASC, AFC, ACS: Cinematographer Bardo, Okja, The Lost City of Z, Delicatessen, Se7en - "Artemis is the best cinematic tool of modern times. I started using Artemis in 2010 and have loved it ever since. It is so accurate with up to date lenses, cameras and formats. It is always with us on scouts and during shoots. Artemis allows the director and I to share how we see things with each other and with the rest of the crew.” Robert McLachlan ASC, CSC: Director / Cinematographer Landman, Yellowstone, Game of Thrones, Westworld - “On Game of Thrones we scouted locations months in advance. Artemis allowed me to communicate our needs to the VFX and art departments. It was critical in planning the Dance of Dragons sequence.” Artemis also offers: - Virtual Stand-Ins, to assist in blocking actors - Custom Frame-lines - Share camera & lens setups with other Artemis users - Record Images & Videos - Gallery for sorting and planning - Export of Shot-lists & Storyboards - Export of detailed Shot-Plans with sun position data (if paired with the Helios app) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Artemis Director's Viewfinder at Free against tcCalc's $1.99. Artemis Director's Viewfinder also leads on update cadence (every 3 days vs every 3 months). tcCalc's advantage is rating (4.7 vs 4.1) and in-app purchases (none vs 5). On review sentiment, ratings volume, ads and device support 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
Artemis Director's Viewfinder is free to download; tcCalc costs $1.99 up front. Artemis Director's Viewfinder sells 5 in-app purchases, starting at $3.99 per month. tcCalc asks for nothing beyond the download.
tcCalc holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 79 and 188 respectively. Written reviews point the same way: 65% of tcCalc's written reviews are positive against 63% of Artemis Director's Viewfinder's.
tcCalc ships an update every 3 months, Artemis Director's Viewfinder every 3 days. Both last shipped on October 29, 2026.
| Parameter | tcCalc | Artemis Director's Viewfinder |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (79 ratings) — better | 4.1 (188 ratings) |
| Positive reviews | 65.0% of reviews — better | 63.0% of reviews |
| Number of ratings | 79 | 188 — better |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | RYUICHIROU SHIMONO | Chemical Wedding |
Customer experience
tcCalc
Artemis Director's Viewfinder
Bugs and requests
tcCalc
Not enough reviews yet to summarise bugs or requests.
Artemis Director's Viewfinder
Reported bugs
19 issues- App crashes on launch after iOS updates
- Photos disappear from library and app after taking them
- Focus issues in viewfinder - won't focus or loses focus during recording
- App freezes when viewing previously taken photos
- Performance degradation with photo albums exceeding 80 images
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- 4-second delay between photo captures
- Photo button not registering properly
- App closes when changing camera or format settings
- Folder order reverses unexpectedly
- Cloud sync failures between devices
- Photo archiving errors - wrong photos get archived
- Export functionality extremely slow and difficult
- App crashes on iPad without apparent cause
- Lag in photo trigger - photos taken 2 seconds late
- Focal length display blur in some cases
- Custom frame line ratios don't affect composition guide overlay
- Scene viewing causes app to freeze
- Keyboard won't dismiss when reporting bugs
- Data loss after version 7.0 update
Requested features
16 requests- Add Nikon ZR camera support
- Update database with newer camera models (Canon RF mount, Fuji X-H2S, Lumix models)
- Widget for quick app launch
- Save multiple camera and lens profiles for quick switching
- Custom anamorphic squeeze ratios
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- Crosshair composition tool
- Lock screen widget functionality
- Ability to import custom logos instead of Artemis branding
- QR code export for camera/lens settings
- Live depth of field calculator on screen
- Better LUT options
- Support for more prosumer lenses (Sigma, Tamron, Sony G Master)
- PDF export for shot lists
- Ability to customize frame guide ratios independent of camera sensor ratio
- Video recording at higher frame rates
- S16 lens support expansion
In-app purchases
tcCalc
No in-app purchases
Artemis Director's Viewfinder
- Monthly$3.991 Month
- Annual$16.991 Year
- External Camera Mode$9.99
- Helios View$9.99
- Core License$29.99
Questions
Is tcCalc free?
Is Artemis Director's Viewfinder free?
Which has better reviews, tcCalc or Artemis Director's Viewfinder?
Do tcCalc or Artemis Director's Viewfinder have ads?
Which is updated more often, tcCalc or Artemis Director's Viewfinder?
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