# IKK classic vs StrongNotes

The clearest difference is in-app purchases: IKK classic at none against StrongNotes's 2. StrongNotes's advantage is update cadence (every 2 weeks vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. StrongNotes sells 2 in-app purchases, starting at $7.99 per month. IKK classic asks for nothing beyond the download.

IKK classic ships an update every 3 months, StrongNotes every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IKK classic | StrongNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 31 MB | 148 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [IKK classic](https://appshunter.io/developer/1520156485) | [Luca Tensing](https://appshunter.io/developer/1802405422) |

## What reviewers say

### IKK classic

[App page](https://appshunter.io/ios/app/ikk-classic-everordnung/id6479257000)

**In-app purchases:** none


### StrongNotes

[App page](https://appshunter.io/ios/app/strongnotes/id6743351222)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mothly Billing | $7.99 | per month |
| Price of an annual subscription | $49.99 | per year |


## Frequently asked questions

### Is IKK classic free?

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

### Is StrongNotes free?

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

### Do IKK classic or StrongNotes have ads?

Neither IKK classic nor StrongNotes shows ads.

### Which is updated more often, IKK classic or StrongNotes?

IKK classic ships an update every 3 months, and StrongNotes every 2 weeks. Most recently, IKK classic was updated on October 24, 2026 and StrongNotes on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*