# Kronus vs ACTRA

The clearest difference is ads: ACTRA at none against Kronus's shown. Kronus's advantage is update cadence (every 9 days vs monthly) and iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Kronus sells 10 in-app purchases, starting at $0.99 per 7 days and ACTRA sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Kronus ships an update every 9 days, ACTRA monthly. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Kronus | ACTRA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kronus-discipline-tracker/id6760615998/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Freemium | — |
| Size | 106 MB | 38 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luis Pinto](https://appshunter.io/developer/1859416022) | [Mayur Late](https://appshunter.io/developer/1896566424) |

## What reviewers say

### Kronus

[App page](https://appshunter.io/ios/app/kronus-discipline-tracker/id6760615998)

This app helps you gain control of your day by tracking your actions in focused 15-minute blocks. It provides insights into how you spend your time, helping you build discipline and execute your priorities with precision. Identify patterns, eliminate distractions, and become more aware of your daily habits.

**Highlights:** Track time in 15-minute blocks, Gain control over your day, Build discipline and accountability, Identify patterns in time usage, Eliminate time-wasting activities, System for daily execution

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kronus Pro | $0.99 | per 7 days |
| Kronus Pro | $1.49 | per 7 days |
| Kronus Pro | $17.90 | per year |
| Kronus Pro | $19.99 | per year |
| Kronus Pro | $19.99 | per month |
| Kronus Pro | $24.99 | per year |
| Kronus Pro | $34.99 | per year |
| Kronus Pro | $39.99 | per year |
| Kronus Pro | $49.99 | per year |
| Kronus Pro | $79.99 | per year |


### ACTRA

[App page](https://appshunter.io/ios/app/actra-discipline-tracker/id6768377708)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ACTRA Pro Monthly | $0.99 | per month |
| ACTRA Pro Yearly | $7.99 | per year |
| 3 Streak Freezes | $0.99 | one-time |
| Streak Freeze | $0.99 | one-time |


## Frequently asked questions

### Is Kronus free?

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

### Is ACTRA free?

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

### Do Kronus or ACTRA have ads?

Kronus shows ads; ACTRA does not.

### Which is updated more often, Kronus or ACTRA?

Kronus ships an update every 9 days, and ACTRA monthly. Most recently, Kronus was updated on October 14, 2026 and ACTRA 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.*