# Oneboard vs SentryChat

The clearest difference is in-app purchases: SentryChat at none against Oneboard's 2. SentryChat also leads on iOS requirement (16 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Oneboard sells 2 in-app purchases, starting at $5.99 per month. SentryChat asks for nothing beyond the download.

Oneboard ships an update monthly, SentryChat every 2 months. The most recent releases landed on May 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Oneboard | SentryChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sentrychat/id6751300963/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free |
| Size | 21 MB | 160 MB |
| Requires iOS | 18.6 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sweeft](https://appshunter.io/developer/1656912123) | [Sentry Enterprises](https://appshunter.io/developer/1604634176) |

## What reviewers say

### Oneboard

[App page](https://appshunter.io/ios/app/oneboard/id6444792303)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $5.99 | per month |
| Pro (Annually) | $59.99 | per year |


### SentryChat

[App page](https://appshunter.io/ios/app/sentrychat/id6751300963)

This secure messaging app uses your SentryCard and biometric data to encrypt and decrypt messages, ensuring only the intended recipient can read them. Manage your contacts and send/receive highly protected communications.

**Highlights:** Biometric-based encryption, SentryCard integration, Encrypted message sending/receiving, Contact management, Fingerprint enrollment

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Oneboard free?

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

### Is SentryChat free?

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

### Do Oneboard or SentryChat have ads?

Neither Oneboard nor SentryChat shows ads.

### Which is updated more often, Oneboard or SentryChat?

Oneboard ships an update monthly, and SentryChat every 2 months. Most recently, Oneboard was updated on May 15, 2026 and SentryChat on September 8, 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.*