# RFID vs Scream O'Clock

The clearest difference is device support: RFID at 3 against Scream O'Clock's 1. RFID also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RFID ships an update every 4 weeks, Scream O'Clock every 3 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RFID | Scream O'Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/scream-oclock/id6752229136/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 43 MB | 74 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [BONbLOC Inc](https://appshunter.io/developer/1629978278) | [Tyler Zacharias](https://appshunter.io/developer/1838346883) |

## What reviewers say

### RFID

[App page](https://appshunter.io/ios/app/rfid-scanr/id6447556051)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Scream O'Clock

[App page](https://appshunter.io/ios/app/scream-oclock/id6752229136)

This app simplifies managing scare rotations for haunted attractions. It tracks character groups and provides live countdowns with vibration alerts for seamless transitions between on-set and break times. Designed by scare actors for scare actors, it ensures smooth operations and continuous scares.

**Highlights:** Group tracking (A, B, C), Live countdown timers, Vibration alerts for rotations, Synchronized rotation view, Dark mode design, Built for scare actors

**In-app purchases:** none


## Frequently asked questions

### Is RFID free?

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

### Is Scream O'Clock free?

Scream O'Clock is free to download, with no in-app purchases.

### Do RFID or Scream O'Clock have ads?

Neither RFID nor Scream O'Clock shows ads.

### Which is updated more often, RFID or Scream O'Clock?

RFID ships an update every 4 weeks, and Scream O'Clock every 3 weeks. Most recently, RFID was updated on October 12, 2026 and Scream O'Clock on October 7, 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.*