# Lyvora vs Unfog

The clearest difference is update cadence: Unfog at every 2 days against Lyvora's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lyvora sells 3 in-app purchases, starting at $4.99 per month and Unfog sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lyvora ships an update every 9 days, Unfog every 2 days. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Lyvora | Unfog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 16 MB | 80 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bekir Gumus](https://appshunter.io/developer/1883522796) | [BITSEC SP. Z O.O.](https://appshunter.io/developer/1801990616) |

## What reviewers say

### Lyvora

[App page](https://appshunter.io/ios/app/lyvora-ai-study-and-exam-prep/id6760263333)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $39.99 | per year |
| 100 Stars Pack | $2.99 | one-time |


### Unfog

[App page](https://appshunter.io/ios/app/unfog-feynman-study-notes/id6776245365)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unfog weekly | $2.99 | per 7 days |
| Unfog Monthly | $17.99 | per month |
| Unfog Annual | $29.99 | per year |


## Frequently asked questions

### Is Lyvora free?

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

### Is Unfog free?

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

### Do Lyvora or Unfog have ads?

Neither Lyvora nor Unfog shows ads.

### Which is updated more often, Lyvora or Unfog?

Lyvora ships an update every 9 days, and Unfog every 2 days. Most recently, Lyvora was updated on October 10, 2026 and Unfog on October 17, 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.*