# Lithos vs IKT

The clearest difference is update cadence: IKT at weekly against Lithos's every 6 weeks. IKT also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lithos sells 1 in-app purchase, starting at $49.99 per month and IKT sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Lithos ships an update every 6 weeks, IKT weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lithos | IKT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 67 MB | 12 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [One North Software Pte. Ltd.](https://appshunter.io/developer/6773476226) | [treeinspired GmbH](https://appshunter.io/developer/373040913) |

## What reviewers say

### Lithos

[App page](https://appshunter.io/ios/app/lithos/id6773476224)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $49.99 | per month |


### IKT

[App page](https://appshunter.io/ios/app/ikt-minimalstandard-audit/id6804163895)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ICT Minimum Standard Pro Month | $4.99 | per month |
| ICT Minimum Standard Pro Year | $49.99 | per year |
| ICT Min. Standard Pro One-off | $199.00 | one-time |


## Frequently asked questions

### Is Lithos free?

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

### Is IKT free?

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

### Do Lithos or IKT have ads?

Neither Lithos nor IKT shows ads.

### Which is updated more often, Lithos or IKT?

Lithos ships an update every 6 weeks, and IKT weekly. Most recently, Lithos was updated on November 5, 2026 and IKT on October 31, 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.*