Clapperboard vs Kelvin Narrator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clapperboard
This app provides a professional digital clapperboard with accurate sync and audible beeps. It's designed for filmmakers and media professionals to synchronize cameras and sound recording devices during editing, offering high-quality visual and audio cues.
- Accurate sync
- Clear audible beep
- Professional clapperboard
- High-quality visual cues
- Audio cues for synchronization
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A FREE simple yet professional and advanced clapperboard app with accurate sync and clear audible beep Digital Clapperboard is a professional clapperboard application developed by a real TV crew while producing a series of documentaries. If you're a beginner or student filmmaker or work in the media, Digital Clapperboard is the perfect free clapper board app for professional use with high quality visual cues and clear audio cues. Digital Clapperboard is primarily used with the audio and visual cues to sync cameras and sound recording devices during editing. Digital Clapperboard Pro unlocks advanced professional features including camera jam sync, free-run timecode, all frame rates (23.976, 29.97 DF/NDF, 50, 59.94 DF/NDF, 60 fps), shot history logging, and CSV export. Subscription Details: • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless canceled at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours prior to the end of the current period • You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase • Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription Terms & Privacy: Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mattcowlin.com/policies/privacy.html
Kelvin Narrator
This application allows users to control Kelvin lights. It provides a way to manage and adjust lighting settings for various purposes. The app is designed for users who own and operate Kelvin lighting systems.
- Control Kelvin lights
- Manage lighting settings
- Adjust lighting parameters
- Dedicated lighting control interface
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App for controlling Kelvin lights.
Screenshots
Verdict
The clearest difference is rating: Kelvin Narrator at 5.0 against Clapperboard's 2.1. Kelvin Narrator also leads on in-app purchases (none vs 2) and update cadence (every 6 weeks vs every 3 months). Clapperboard's advantage is ratings volume (40 vs 1). 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. Clapperboard sells 2 in-app purchases, starting at $5.99 per 7 days. Kelvin Narrator asks for nothing beyond the download.
Kelvin Narrator holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Clapperboard has 40 ratings behind it against 1, so its average is the more settled of the two.
Clapperboard ships an update every 3 months, Kelvin Narrator every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Clapperboard | Kelvin Narrator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (40 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 12.7% of reviews | — |
| Number of ratings | 40 — better | 1 |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | MSDC TECHNOLOGIES LTD | Rift Labs AS |
Customer experience
Clapperboard
Kelvin Narrator
Bugs and requests
Clapperboard
Reported bugs
15 issues- Software cuts off
- Email activation not working
- Cannot get past registration screen
- Password not received
- Cannot scroll back up after typing
Show 10 moreShow fewer
- Time starts upon open, not clap shut
- App freezes and crashes
- No stop or reset button
- Beep not synced with clapper
- 7 frame delay between animation and beep
- App won't leave text screen
- Install process broken
- Activation process broken
- No stopping the clock
- No way to reset clock without quitting
Requested features
11 requests- Option to change tone/clap
- Make tone louder
- Add 24 fps option
- Option to change frame rates
- Add notes feature
Show 6 moreShow fewer
- Add a 'go' button
- Record clipboard
- Full clapper animation
- Shrink clapper on screen
- Change field names
- Email list of clap times
Kelvin Narrator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Clapperboard
- Clapperboard Pro Weekly$5.997 Days
- Clapperboard Pro$39.99
Kelvin Narrator
No in-app purchases
Questions
Is Clapperboard free?
Is Kelvin Narrator free?
Which has better reviews, Clapperboard or Kelvin Narrator?
Do Clapperboard or Kelvin Narrator have ads?
Which is updated more often, Clapperboard or Kelvin Narrator?
Other comparisons
