# DsStopWatch vs Kairos

The clearest difference is rating: Kairos at 5.0 against DsStopWatch's 4.3. Kairos also leads on update cadence (every 2 weeks vs every 2 months). DsStopWatch's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 26.5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Kairos sells 2 in-app purchases, starting at $4.99 per month. DsStopWatch asks for nothing beyond the download.

Kairos holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

DsStopWatch ships an update every 2 months, Kairos every 2 weeks. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DsStopWatch | Kairos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/dsstopwatch/id1502099992/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kairos-shift-tracker/id6792157855/reviews)** |
| Number of ratings | 3 | 3 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 4 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ryuichi Kato](https://appshunter.io/developer/1501068459) | [BOAZ TIMOTHY WHEALY](https://appshunter.io/developer/6791718585) |

## What reviewers say

### DsStopWatch

[App page](https://appshunter.io/ios/app/dsstopwatch/id1502099992)

This utility allows for precise time measurement with multiple stopwatches. It offers real-time recording, saving, and copying of time data in CSV format. Advanced features include button operation customization, lock mode for preventing accidental presses, and the ability to synchronize operations.

**Highlights:** Multiple stopwatches, Real-time time recording, Save and copy time records (CSV), Customizable button operations, Lock mode for accidental presses, Light and dark screen modes, Operation cancellation and modification

**Features:** macOS Compatibility

**In-app purchases:** none


### Kairos

[App page](https://appshunter.io/ios/app/kairos-shift-tracker/id6792157855)

This app helps shift workers and their families stay synchronized by providing a clear, shareable schedule. It allows users to easily track rotations, see real-time duty status, and receive notifications about upcoming shifts. Designed for professionals with complex schedules, it aims to eliminate guesswork and keep everyone informed.

**Highlights:** Shareable shift calendar, Real-time duty status, Customizable shift rotations, Home screen widgets, Apple Watch support, Multiple calendar tracking

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kairos Pro - Monthly | $4.99 | per month |
| Kairos Pro - Yearly | $49.99 | per year |


## Frequently asked questions

### Is DsStopWatch free?

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

### Is Kairos free?

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

### Which has better reviews, DsStopWatch or Kairos?

Kairos is rated higher. DsStopWatch averages 4.3 out of 5 from 3 ratings, while Kairos averages 5.0 from 3 ratings.

### Do DsStopWatch or Kairos have ads?

Neither DsStopWatch nor Kairos shows ads.

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

DsStopWatch ships an update every 2 months, and Kairos every 2 weeks. Most recently, DsStopWatch was updated on October 13, 2026 and Kairos on October 1, 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.*