# CarcinogenX vs Stillspan

The clearest difference is update cadence: Stillspan at every 2 days against CarcinogenX's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CarcinogenX sells 3 in-app purchases, starting at $3.99 per month and Stillspan sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CarcinogenX ships an update every 2 months, Stillspan every 2 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CarcinogenX | Stillspan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/carcinogenx/id6736572943/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 7 MB | 51 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kornerstone Industries](https://appshunter.io/developer/1879891786) | [seokho heo](https://appshunter.io/developer/1732835319) |

## What reviewers say

### CarcinogenX

[App page](https://appshunter.io/ios/app/carcinogenx/id6736572943)

Identify harmful carcinogens in everyday products to make safer choices. This tool empowers users with knowledge for healthier living, offering an innovative and user-friendly experience. Always consult a doctor for medical decisions.

**Highlights:** Carcinogen identification, Product safety analysis, Healthier living guidance, User-friendly interface, Informed purchasing decisions

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly | $35.99 | per year |
| Lifetime | $69.99 | one-time |


### Stillspan

[App page](https://appshunter.io/ios/app/stillspan-meditation-timer/id6795300500)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stillspan Premium Monthly | $1.99 | per month |
| Stillspan Premium Annual | $19.99 | per year |
| Stillspan Unlimited | $36.99 | one-time |


## Frequently asked questions

### Is CarcinogenX free?

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

### Is Stillspan free?

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

### Do CarcinogenX or Stillspan have ads?

Neither CarcinogenX nor Stillspan shows ads.

### Which is updated more often, CarcinogenX or Stillspan?

CarcinogenX ships an update every 2 months, and Stillspan every 2 days. Most recently, CarcinogenX was updated on October 20, 2026 and Stillspan on October 25, 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.*