# Unfog vs Canto Cab

The clearest difference is update cadence: Unfog at every 2 days against Canto Cab's every 5 days. Canto Cab's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Unfog sells 3 in-app purchases, starting at $2.99 per 7 days and Canto Cab sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Unfog ships an update every 2 days, Canto Cab every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Unfog | Canto Cab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/canto-cab-learn-cantonese/id6792367414/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 454 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | +12 |
| Developer | [BITSEC SP. Z O.O.](https://appshunter.io/developer/1801990616) | [Spam Musubi Technologies](https://appshunter.io/developer/1698942015) |

## 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 |


### Canto Cab

[App page](https://appshunter.io/ios/app/canto-cab-learn-cantonese/id6792367414)

Learn practical Cantonese vocabulary through a fun, fast-paced driving game. Choose the correct translation to navigate through city routes and build your word recall. Reconnect with your heritage or start learning from scratch.

**Highlights:** Vocabulary game mechanics, English to Cantonese translation practice, Cantonese to English translation practice, Traditional Chinese characters with Jyutping, Spoken word and phrase pronunciation, Gamified progress tracking, Themed city routes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Full Access | $3.99 | per 7 days |
| Lifetime Full Access | $4.99 | one-time |
| Lifetime Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Unfog free?

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

### Is Canto Cab free?

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

### Do Unfog or Canto Cab have ads?

Neither Unfog nor Canto Cab shows ads.

### Which is updated more often, Unfog or Canto Cab?

Unfog ships an update every 2 days, and Canto Cab every 5 days. Most recently, Unfog was updated on October 25, 2026 and Canto Cab 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.*