# AEAT vs Kairos HR

The clearest difference is update cadence: AEAT at weekly against Kairos HR's monthly. Kairos HR's advantage is iOS requirement (12.3 vs 15.0). 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.

AEAT ships an update weekly, Kairos HR monthly. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | AEAT | Kairos HR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (5 ratings)](https://appshunter.io/ios/app/aeat/id737744527/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 247 MB | 94 MB |
| Requires iOS | 15.0 | **12.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Agencia Tributaria](https://appshunter.io/developer/521647809) | [ASESORAMIENTO Y DESARROLLO DE SISTEMAS INFORMATICOS SL](https://appshunter.io/developer/1492056928) |

## What reviewers say

### AEAT

[App page](https://appshunter.io/ios/app/aeat/id737744527)

This app allows users to manage tax-related tasks and receive personalized notifications from the tax agency. It offers secure digital identity management and access to various services like appointments, debt payments, and document signing without needing to visit an office.

**Highlights:** Digital identity management (Referencia, Cl@ve, certificate), Tax return (Renta) management, Appointment booking, Debt payment and consultation, Document signing and consultation, Virtual assistance tools, Personalized notifications

**In-app purchases:** none


### Kairos HR

[App page](https://appshunter.io/ios/app/kairos-hr/id1448856617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AEAT free?

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

### Is Kairos HR free?

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

### Do AEAT or Kairos HR have ads?

Neither AEAT nor Kairos HR shows ads.

### Which is updated more often, AEAT or Kairos HR?

AEAT ships an update weekly, and Kairos HR monthly. Most recently, AEAT was updated on November 6, 2026 and Kairos HR on November 2, 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.*