# Subscriptions vs K2 Sim

The clearest difference is in-app purchases: K2 Sim at none against Subscriptions's 1. K2 Sim also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Subscriptions sells 1 one-off in-app purchase. K2 Sim asks for nothing beyond the download.

Subscriptions ships an update monthly, K2 Sim every 2 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Subscriptions | K2 Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/k2-sim/id6757589750/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kurihara kazuki](https://appshunter.io/developer/1844819675) | [MIKYAS SULTAN BUSIRA](https://appshunter.io/developer/1867656807) |

## What reviewers say

### Subscriptions

[App page](https://appshunter.io/ios/app/subscriptions-subskiller/id6757389128)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subs.Killer PRO | $5.99 | one-time |


### 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


## Frequently asked questions

### Is Subscriptions free?

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

### Is K2 Sim free?

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

### Do Subscriptions or K2 Sim have ads?

Neither Subscriptions nor K2 Sim shows ads.

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

Subscriptions ships an update monthly, and K2 Sim every 2 weeks. Most recently, Subscriptions was updated on October 5, 2026 and K2 Sim on October 7, 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.*