# Evai vs Style Formula

The clearest difference is update cadence: Style Formula at every 5 days against Evai's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Evai sells 2 in-app purchases, starting at $4.99 per month and Style Formula sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Evai ships an update every 2 months, Style Formula every 5 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Evai | Style Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/evai/id6477519145/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SpaceVR Inc.](https://appshunter.io/developer/1649350830) | [Hanva,LLC](https://appshunter.io/developer/1808930111) |

## What reviewers say

### Evai

[App page](https://appshunter.io/ios/app/evai/id6477519145)

This AI companion offers deep personalization and multilingual support in over 200 languages. It provides versatile assistance for daily tasks, learning, and advice, growing smarter with every interaction while prioritizing user privacy and security.

**Highlights:** Deep personalization, Multilingual support (200+ languages), Versatile assistance, Intuitive interface, Advanced learning algorithms, Privacy and security focus

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Evai | $4.99 | per month |
| Evai | $39.99 | per year |


### Style Formula

[App page](https://appshunter.io/ios/app/style-formula/id6774919252)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week Subscription | $9.99 | per 7 days |
| One Month Subscription | $29.99 | per month |
| One Year Subscription | $169.00 | per year |


## Frequently asked questions

### Is Evai free?

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

### Is Style Formula free?

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

### Do Evai or Style Formula have ads?

Neither Evai nor Style Formula shows ads.

### Which is updated more often, Evai or Style Formula?

Evai ships an update every 2 months, and Style Formula every 5 days. Most recently, Evai was updated on October 8, 2026 and Style Formula on October 1, 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.*