# Chainstr vs Open

The clearest difference is update cadence: Chainstr at every 10 days against Open's monthly. Open's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chainstr ships an update every 10 days, Open monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chainstr | Open |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/open-line/id6760758899/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Free |
| Size | 39 MB | 58 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [Apptc.me s.r.o.](https://appshunter.io/developer/1649035726) | [Open Line USA LLC](https://appshunter.io/developer/1886101407) |

## What reviewers say

### Chainstr

[App page](https://appshunter.io/ios/app/chainstr-video-chains/id6443750238)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open

[App page](https://appshunter.io/ios/app/open-line/id6760758899)

Connect with others for real-time emotional support or offer a listening ear. This community-based app facilitates private, human-first interactions through chat, audio, or video. It's designed for quick connections without lengthy onboarding processes.

**Highlights:** Real-time human connection, Offer or receive support, Chat, audio, or video calls, Private by design, Fast onboarding, No long intake forms

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

**In-app purchases:** none


## Frequently asked questions

### Is Chainstr free?

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

### Is Open free?

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

### Do Chainstr or Open have ads?

Neither Chainstr nor Open shows ads.

### Which is updated more often, Chainstr or Open?

Chainstr ships an update every 10 days, and Open monthly. Most recently, Chainstr was updated on November 3, 2026 and Open 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.*