# CLAVIS vs Aries

The clearest difference is iOS requirement: CLAVIS at 8.0 against Aries's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CLAVIS ships an update every 22 months, Aries every 39 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CLAVIS | Aries |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 22 months** | Every 39 months |
| Size | 3 MB | 3 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### CLAVIS

[App page](https://appshunter.io/ios/app/clavis/id1508467576)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aries

[App page](https://appshunter.io/ios/app/aries/id1635312766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CLAVIS free?

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

### Is Aries free?

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

### Do CLAVIS or Aries have ads?

Neither CLAVIS nor Aries shows ads.

### Which is updated more often, CLAVIS or Aries?

CLAVIS ships an update every 22 months, and Aries every 39 months. Most recently, CLAVIS was updated on September 10, 2026 and Aries on September 9, 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.*