# RelayChat vs postin

The clearest difference is ads: postin at none against RelayChat's shown. postin also leads on update cadence (every 2 days vs every 5 days). RelayChat's advantage is iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. RelayChat sells 3 in-app purchases, starting at $2.99 per month and postin sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

RelayChat ships an update every 5 days, postin every 2 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RelayChat | postin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/relaychat-bluetooth-mesh-chat/id6749299283/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 47 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) | [keishi yokoi](https://appshunter.io/developer/1861661371) |

## What reviewers say

### RelayChat

[App page](https://appshunter.io/ios/app/relaychat-bluetooth-mesh-chat/id6749299283)

Communicate with others nearby even without an internet or cellular signal. This app uses Bluetooth mesh networking to relay messages hop-to-hop, ensuring connectivity in disaster zones, crowded events, or areas with poor reception. It prioritizes privacy with anonymous, end-to-end encrypted chats.

**Highlights:** Connects with zero signal, Bluetooth mesh networking, Anonymous and private chat, End-to-end encryption, Works in disasters and events, Relays messages hop-to-hop

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| １ヶ月プレミアムプラン | $2.99 | per month |
| 3ヶ月プレミアムプラン | $8.99 | per 3 months |
| 1年間プレミアムプラン | $24.99 | per year |


### postin

[App page](https://appshunter.io/ios/app/postin-postcard-sns/id6794994524)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Plan (Monthly) | $1.99 | per month |
| Annual Subscription | $19.99 | per year |
| 5 Stamps | $0.29 | one-time |


## Frequently asked questions

### Is RelayChat free?

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

### Is postin free?

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

### Do RelayChat or postin have ads?

RelayChat shows ads; postin does not.

### Which is updated more often, RelayChat or postin?

RelayChat ships an update every 5 days, and postin every 2 days. Most recently, RelayChat was updated on October 24, 2026 and postin on October 15, 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.*