# Kairos vs MIMI Private Timer

The clearest difference is in-app purchases: Kairos at none against MIMI Private Timer's 2. Kairos also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MIMI Private Timer sells 2 one-off in-app purchases. Kairos asks for nothing beyond the download.

Kairos ships an update every 4 days, MIMI Private Timer every 6 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Kairos | MIMI Private Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 36 MB | 10 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Benno Kohrs](https://appshunter.io/developer/1858491109) | [Ryoma Inoue](https://appshunter.io/developer/1862345588) |

## What reviewers say

### Kairos

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

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

**In-app purchases:** none


### MIMI Private Timer

[App page](https://appshunter.io/ios/app/mimi-private-timer/id6760279762)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is Kairos free?

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

### Is MIMI Private Timer free?

MIMI Private Timer is free to download, with in-app purchases available.

### Do Kairos or MIMI Private Timer have ads?

Neither Kairos nor MIMI Private Timer shows ads.

### Which is updated more often, Kairos or MIMI Private Timer?

Kairos ships an update every 4 days, and MIMI Private Timer every 6 days. Most recently, Kairos was updated on October 25, 2026 and MIMI Private Timer 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.*