# Unfog vs TalkSmart

The clearest difference is ads: Unfog at none against TalkSmart's shown. Unfog also leads on update cadence (every 2 days vs every 10 days). TalkSmart's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Unfog sells 3 in-app purchases, starting at $2.99 per 7 days and TalkSmart sells 3 in-app purchases, starting at $5.19 per month. Whichever you choose, the download price is not the number that matters.

Unfog ships an update every 2 days, TalkSmart every 10 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Unfog | TalkSmart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 80 MB | 63 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BITSEC SP. Z O.O.](https://appshunter.io/developer/1801990616) | [Alperen Ayhan](https://appshunter.io/developer/6791968833) |

## What reviewers say

### 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 |


### TalkSmart

[App page](https://appshunter.io/ios/app/talksmart-learn-english-ai/id6791968830)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TalkSmart Starter | $5.19 | per month |
| TalkSmart Premium | $14.99 | per month |
| TalkSmart Premium | $109.99 | per year |


## Frequently asked questions

### Is Unfog free?

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

### Is TalkSmart free?

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

### Do Unfog or TalkSmart have ads?

TalkSmart shows ads; Unfog does not.

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

Unfog ships an update every 2 days, and TalkSmart every 10 days. Most recently, Unfog was updated on November 5, 2026 and TalkSmart on October 31, 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.*