# Kairos vs D

The clearest difference is iOS requirement: Kairos at 11.0 against D's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kairos | D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 15 MB | 24 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BizCoDe](https://appshunter.io/developer/1223054762) | [davide Sbreviglieri](https://appshunter.io/developer/562172174) |

## What reviewers say

### Kairos

[App page](https://appshunter.io/ios/app/kairos/id1223054763)

Manage project timelines, fill out forms, track installed materials, and request new supplies. This tool streamlines on-site work and inventory management for efficient project execution.

**Highlights:** Timeline management, Form completion, Installed material tracking, Material request system, On-site work streamlining

**Features:** macOS Compatibility

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-tec/id1509408218)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kairos free?

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

### Is D free?

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

### Do Kairos or D have ads?

Neither Kairos nor D shows ads.

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

Kairos ships an update every 3 weeks, and D every 3 weeks. Most recently, Kairos was updated on October 3, 2026 and D on October 10, 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.*