# Tenstop vs Buzzer Knockout

The clearest difference is update cadence: Buzzer Knockout at every 8 days against Tenstop's every 6 months. Tenstop's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tenstop sells 2 in-app purchases, starting at $4.99 per month and Buzzer Knockout sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tenstop ships an update every 6 months, Buzzer Knockout every 8 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tenstop | Buzzer Knockout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 8 days** |
| Size | 74 MB | 32 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Stavros Petropoulos](https://appshunter.io/developer/1895016415) |

## What reviewers say

### Tenstop

[App page](https://appshunter.io/ios/app/tenstop-10-second-challenge/id6742765080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### 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 |


## Frequently asked questions

### Is Tenstop free?

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

### Is Buzzer Knockout free?

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

### Do Tenstop or Buzzer Knockout have ads?

Both Tenstop and Buzzer Knockout show ads.

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

Tenstop ships an update every 6 months, and Buzzer Knockout every 8 days. Most recently, Tenstop was updated on October 28, 2026 and Buzzer Knockout on October 25, 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.*