# Buzzer Knockout vs BlindSec

The clearest difference is update cadence: BlindSec at daily against Buzzer Knockout's every 8 days. Buzzer Knockout's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Buzzer Knockout sells 8 one-off in-app purchases and BlindSec sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Buzzer Knockout ships an update every 8 days, BlindSec daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Buzzer Knockout | BlindSec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Daily** |
| Size | 32 MB | 95 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Stavros Petropoulos](https://appshunter.io/developer/1895016415) | [Dawid Paluska](https://appshunter.io/developer/6804785319) |

## What reviewers say

### Buzzer Knockout

[App page](https://appshunter.io/ios/app/buzzer-knockout/id6773007504)

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Sparks | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| 500 Sparks | $2.99 | one-time |
| Season Pass | $3.99 | one-time |
| 1,200 Sparks | $3.99 | one-time |
| Buzzer Knockout Plus | $4.99 | one-time |
| Premium Pass | $8.99 | one-time |
| 3,000 Sparks | $8.99 | one-time |


### BlindSec

[App page](https://appshunter.io/ios/app/blindsec-party-games/id6805112297)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $2.99 | one-time |
| Cake | $3.99 | one-time |
| Pizza | $4.99 | one-time |
| BlindSec Pro – forever | $6.99 | one-time |


## Frequently asked questions

### Is Buzzer Knockout free?

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

### Is BlindSec free?

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

### Do Buzzer Knockout or BlindSec have ads?

Both Buzzer Knockout and BlindSec show ads.

### Which is updated more often, Buzzer Knockout or BlindSec?

Buzzer Knockout ships an update every 8 days, and BlindSec daily. Most recently, Buzzer Knockout was updated on October 25, 2026 and BlindSec on October 24, 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.*