# Clapperboard vs Kelvin Narrator

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.

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.

## The numbers

| Metric | Clapperboard | Kelvin Narrator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (40 ratings)](https://appshunter.io/ios/app/clapperboard/id543700859/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kelvin-narrator/id1606875885/reviews)** |
| Number of ratings | **40** | 1 |
| Positive reviews | 12.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 32 MB |
| Requires iOS | 26.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MSDC TECHNOLOGIES LTD](https://appshunter.io/developer/433388086) | [Rift Labs AS](https://appshunter.io/developer/576838067) |

## What reviewers say

### Clapperboard

[App page](https://appshunter.io/ios/app/clapperboard/id543700859)

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.

**Highlights:** Accurate sync, Clear audible beep, Professional clapperboard, High-quality visual cues, Audio cues for synchronization

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clapperboard Pro Weekly | $5.99 | per 7 days |
| Clapperboard Pro | $39.99 | one-time |

**What reviewers like**

- 👍 Good for syncing audio
- 💰 Free and useful
- ✨ Nice style
- ⏱️ Shows timer or clock
- 📝 Allows editing data

**What reviewers complain about**

- ❌ Email registration required
- ❌ Email not received
- 🔇 Quiet beep sound
- 🐛 App crashes/freezes
- ⏳ Long wait for skip

**Reported bugs**

- Software cuts off
- Email activation not working
- Cannot get past registration screen
- Password not received
- Cannot scroll back up after typing

**Requested features**

- Option to change tone/clap
- Make tone louder
- Add 24 fps option
- Option to change frame rates
- Add notes feature


### Kelvin Narrator

[App page](https://appshunter.io/ios/app/kelvin-narrator/id1606875885)

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.

**Highlights:** Control Kelvin lights, Manage lighting settings, Adjust lighting parameters, Dedicated lighting control interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clapperboard free?

Clapperboard is free to download, with in-app purchases available.

### Is Kelvin Narrator free?

Kelvin Narrator is free to download, with no in-app purchases.

### Which has better reviews, Clapperboard or Kelvin Narrator?

Kelvin Narrator is rated higher. Clapperboard averages 2.1 out of 5 from 40 ratings, while Kelvin Narrator averages 5.0 from 1 ratings.

### Do Clapperboard or Kelvin Narrator have ads?

Neither Clapperboard nor Kelvin Narrator shows ads.

### Which is updated more often, Clapperboard or Kelvin Narrator?

Clapperboard ships an update every 3 months, and Kelvin Narrator every 6 weeks. Most recently, Clapperboard was updated on November 1, 2026 and Kelvin Narrator on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*