RZ Timecode Calculator vs NDI Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RZ Timecode Calculator
This tool assists with timecode calculations for video editing and animation. It's designed for field use when built-in editing software functions are not readily available. A simple and useful utility for creative professionals.
- Timecode calculations
- Video editing assistance
- Animation support
- Field use utility
- Simple interface
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I used to have a calculator called the FrameMaster. It was wonderful and useful for video editing and animation. Now this function is pretty much built in to the editing apps. However, you may find yourself in the field needing to do some simple timecode calculations, and then, THIS IS APP YOUR BEST FRIEND!
NDI Player
This tool transforms your device into a convenient NDI source for live production. Create customized playlists, support multiple NDI formats, and utilize Apple Pencil for annotations. It offers seamless HDMI and AirPlay output with real-time audio monitoring.
- NDI source creation
- Customized playlist
- Screen mirroring/AirPlay output
- Apple Pencil/Finger annotation
- Multi-NDI source support
- Real-time audio VU meter
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- If you are working with NDI, this is your MUST-HAVE tool - Create the most convenient and affordable NDI source instantly - Both landscape and portrait output support - Fully customized playlist, a powerful video player for live production - Supports multitasking on iPad, multiply NDI sources simultaneously - Supports Full NDI, NDI HX H.264, and NDI HX HEVC, display connection tally status - Supports Apple Pencil or Finger markup, drawing, and annotation - Supports full-screen HDMI & ScreenMirroring/AirPlay output - With real-time audio VU meter monitor - No need to register, no subscription fees, one-time purchase for lifetime use
Screenshots
Verdict
The clearest difference is rating: NDI Player at 3.8 against RZ Timecode Calculator's 1.0. NDI Player also leads on update cadence (fortnightly vs every 10 months) and ratings volume (18 vs 2). RZ Timecode Calculator's advantage is in-app purchases (none vs 4). On price, ads, monetization model 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
Both are free to download. NDI Player sells 4 one-off in-app purchases. RZ Timecode Calculator asks for nothing beyond the download.
NDI Player holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: NDI Player has 18 ratings behind it against 2, so its average is the more settled of the two.
RZ Timecode Calculator ships an update every 10 months, NDI Player fortnightly. The most recent releases landed on September 16, 2026 and August 17, 2026 respectively.
| Parameter | RZ Timecode Calculator | NDI Player |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 3.8 (18 ratings) — better |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | 2 | 18 — better |
| Update frequency | Every 10 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 1 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert L Zimmelman | TopDirector Corporation |
Customer experience
RZ Timecode Calculator
NDI Player
In-app purchases
RZ Timecode Calculator
No in-app purchases
NDI Player
- Using Apple Pencil or Finger$4.99
- Movie Playback$9.99
- HDMI & ScreenMirroring/AirPlay$9.99
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- List Playback$14.99
Questions
Is RZ Timecode Calculator free?
Is NDI Player free?
Which has better reviews, RZ Timecode Calculator or NDI Player?
Do RZ Timecode Calculator or NDI Player have ads?
Which is updated more often, RZ Timecode Calculator or NDI Player?
Other comparisons
