# KDM Reader vs SensorDeck

The clearest difference is in-app purchases: KDM Reader at none against SensorDeck's 1. KDM Reader also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. SensorDeck sells 1 one-off in-app purchase. KDM Reader asks for nothing beyond the download.

KDM Reader ships an update every 3 weeks, SensorDeck every 5 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KDM Reader | SensorDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kdm-reader/id6476420239/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, Mac | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Center Point Post](https://appshunter.io/developer/1726641663) | [WEI-LUN HUANG](https://appshunter.io/developer/1540087284) |

## What reviewers say

### KDM Reader

[App page](https://appshunter.io/ios/app/kdm-reader/id6476420239)

Easily verify KDM validity times, content version, and target DCP player. View information in your local timezone or UTC.

**Highlights:** Verify KDM validity times, Check content version, Identify target DCP player, View in local timezone, View in UTC

**In-app purchases:** none


### SensorDeck

[App page](https://appshunter.io/ios/app/sensordeck/id6752535432)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is KDM Reader free?

KDM Reader is free to download, with no in-app purchases.

### Is SensorDeck free?

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

### Do KDM Reader or SensorDeck have ads?

SensorDeck shows ads; KDM Reader does not.

### Which is updated more often, KDM Reader or SensorDeck?

KDM Reader ships an update every 3 weeks, and SensorDeck every 5 weeks. Most recently, KDM Reader was updated on October 10, 2026 and SensorDeck on October 6, 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.*