# SubsTracker vs Kronus

The clearest difference is in-app purchases: SubsTracker at none against Kronus's 10. SubsTracker also leads on iOS requirement (13.0 vs 15.1). Kronus's advantage is update cadence (every 9 days vs every 2 months). On price, ads 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. SubsTracker asks for nothing beyond the download.

SubsTracker ships an update every 2 months, Kronus every 9 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SubsTracker | Kronus |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 28 MB | 106 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AMADOU OURY CAMARA](https://appshunter.io/developer/1748625308) | [Luis Pinto](https://appshunter.io/developer/1859416022) |

## What reviewers say

### SubsTracker

[App page](https://appshunter.io/ios/app/substracker-subscription-log/id6757654036)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SubsTracker free?

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

### Is Kronus free?

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

### Do SubsTracker or Kronus have ads?

Both SubsTracker and Kronus show ads.

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

SubsTracker ships an update every 2 months, and Kronus every 9 days. Most recently, SubsTracker was updated on October 19, 2026 and Kronus on October 14, 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.*