# K2 Sim vs SubTrack

The clearest difference is in-app purchases: K2 Sim at none against SubTrack's 3. K2 Sim also leads on update cadence (every 2 weeks vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SubTrack sells 3 in-app purchases, starting at $0.99 per 7 days. K2 Sim asks for nothing beyond the download.

K2 Sim ships an update every 2 weeks, SubTrack every 3 weeks. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | K2 Sim | SubTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/k2-sim/id6757589750/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 5 MB | 16 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIKYAS SULTAN BUSIRA](https://appshunter.io/developer/1867656807) | [Alexander Zakharin](https://appshunter.io/developer/594227453) |

## What reviewers say

### K2 Sim

[App page](https://appshunter.io/ios/app/k2-sim/id6757589750)

Explore market charts and study trading ideas with historical data. Analyze price action and strategy behavior over time to learn how patterns have performed. This tool is for educational and research purposes only, not for live trading or financial advice.

**Highlights:** Explore market charts, Study trading ideas, Use historical market data, View price action, Review strategy behavior, Learn pattern performance

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

**In-app purchases:** none


### SubTrack

[App page](https://appshunter.io/ios/app/subtrack-track-subscriptions/id6757966235)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is K2 Sim free?

K2 Sim is free to download, with no in-app purchases.

### Is SubTrack free?

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

### Do K2 Sim or SubTrack have ads?

Neither K2 Sim nor SubTrack shows ads.

### Which is updated more often, K2 Sim or SubTrack?

K2 Sim ships an update every 2 weeks, and SubTrack every 3 weeks. Most recently, K2 Sim was updated on September 20, 2026 and SubTrack on September 13, 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.*