# Productivity System vs KAIROS

The clearest difference is in-app purchases: Productivity System at none against KAIROS's 1. KAIROS's advantage is iOS requirement (12.0 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. KAIROS sells 1 in-app purchase, starting at $9.99 per year. Productivity System asks for nothing beyond the download.

## The numbers

| Metric | Productivity System | KAIROS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/productivity-system-timetome/id6448869727/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free | — |
| Size | 45 MB | 41 MB |
| Requires iOS | 18 | **12.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Medvedev](https://appshunter.io/developer/1590231302) | [Tengri Vertex LLC](https://appshunter.io/developer/1854695149) |

## What reviewers say

### Productivity System

[App page](https://appshunter.io/ios/app/productivity-system-timetome/id6448869727)

This app helps you track your time and manage goals with an always-running timer. Add checklists to your goals for routines like morning or evening tasks, work, or exercises. Adapt it to your personal life to control your time effectively.

**Highlights:** Goal-based timers, 24/7 continuous timing, Goal checklists, Routine management, Time control

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### KAIROS

[App page](https://appshunter.io/ios/app/kairos-protocol/id6756001310)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kairos Premium | $9.99 | per year |


## Frequently asked questions

### Is Productivity System free?

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

### Is KAIROS free?

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

### Do Productivity System or KAIROS have ads?

Neither Productivity System nor KAIROS shows ads.

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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.*