# Eccentric vs OnceChat

The clearest difference is update cadence: OnceChat at every 2 weeks against Eccentric's every 2 months. 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.

Eccentric ships an update every 2 months, OnceChat every 2 weeks. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Eccentric | OnceChat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 54 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HASHIGUCHI TAITO](https://appshunter.io/developer/1752494379) | [Kosei Takanashi](https://appshunter.io/developer/6777430042) |

## What reviewers say

### Eccentric

[App page](https://appshunter.io/ios/app/eccentric/id6759896804)

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

**In-app purchases:** none


### OnceChat

[App page](https://appshunter.io/ios/app/oncechat/id6777430040)

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

**In-app purchases:** none


## Frequently asked questions

### Is Eccentric free?

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

### Is OnceChat free?

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

### Do Eccentric or OnceChat have ads?

Neither Eccentric nor OnceChat shows ads.

### Which is updated more often, Eccentric or OnceChat?

Eccentric ships an update every 2 months, and OnceChat every 2 weeks. Most recently, Eccentric was updated on October 1, 2026 and OnceChat on October 6, 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.*