# Obermark App vs ChtSafe

The clearest difference is in-app purchases: Obermark App at none against ChtSafe's 5. Obermark App also leads on iOS requirement (12.0 vs 16.0). ChtSafe's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. ChtSafe sells 5 in-app purchases, starting at $24.99 per month. Obermark App asks for nothing beyond the download.

Obermark App ships an update every 5 weeks, ChtSafe every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Obermark App | ChtSafe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 20 MB | 59 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [dgtl.ai](https://appshunter.io/developer/1353812721) | [Innovius](https://appshunter.io/developer/1821041028) |

## What reviewers say

### Obermark App

[App page](https://appshunter.io/ios/app/obermark-app/id6446276910)

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

**In-app purchases:** none


### ChtSafe

[App page](https://appshunter.io/ios/app/chtsafe-private-ai-chat/id6747363356)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Sparks · Monthly | $24.99 | per month |
| Starter Pack | $5.99 | one-time |
| Casual Pack | $8.99 | one-time |
| Builder Pack | $22.99 | one-time |
| Pro Stash | $44.99 | one-time |


## Frequently asked questions

### Is Obermark App free?

Obermark App is free to download, with no in-app purchases.

### Is ChtSafe free?

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

### Do Obermark App or ChtSafe have ads?

Neither Obermark App nor ChtSafe shows ads.

### Which is updated more often, Obermark App or ChtSafe?

Obermark App ships an update every 5 weeks, and ChtSafe every 10 days. Most recently, Obermark App was updated on November 3, 2026 and ChtSafe on October 30, 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.*