# KPOPTongueDrum vs Kairos

The clearest difference is update cadence: Kairos at every 4 days against KPOPTongueDrum's every 5 months. KPOPTongueDrum's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

KPOPTongueDrum ships an update every 5 months, Kairos every 4 days. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | KPOPTongueDrum | Kairos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 216 MB | 36 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Samick Seiler Culture Communication (Shanghai) Co., Ltd.](https://appshunter.io/developer/1768000444) | [Benno Kohrs](https://appshunter.io/developer/1858491109) |

## What reviewers say

### KPOPTongueDrum

[App page](https://appshunter.io/ios/app/kpoptonguedrum/id6748330476)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kairos

[App page](https://appshunter.io/ios/app/kairos-random-timer/id6759820843)

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

**In-app purchases:** none


## Frequently asked questions

### Is KPOPTongueDrum free?

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

### Is Kairos free?

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

### Do KPOPTongueDrum or Kairos have ads?

Neither KPOPTongueDrum nor Kairos shows ads.

### Which is updated more often, KPOPTongueDrum or Kairos?

KPOPTongueDrum ships an update every 5 months, and Kairos every 4 days. Most recently, KPOPTongueDrum was updated on September 12, 2026 and Kairos on September 15, 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.*