# Unfog vs Ascent

The clearest difference is iOS requirement: Unfog at 17.0 against Ascent's 26.0. On price, update cadence, 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 Ascent sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Unfog ships an update every 2 days, Ascent every 4 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Unfog | Ascent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ascent-algebra-1/id6792160553/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [BITSEC SP. Z O.O.](https://appshunter.io/developer/1801990616) | [Jaco-Stefan Olwagen](https://appshunter.io/developer/1888374910) |

## 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 |


### Ascent

[App page](https://appshunter.io/ios/app/ascent-algebra-1/id6792160553)

This app turns learning Algebra 1 into a game, simulating a climb up Mount Everest. It breaks down the full curriculum into manageable skill-building steps with hints and progress tracking. The app works offline and prioritizes user privacy.

**Highlights:** Adaptive learning path, Step-by-step equation rewriting, Hint system for stuck users, Offline functionality, Progress tracking and certificates, Multiple climber profiles, Finger-drawn graph input

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Expedition | $7.99 | one-time |


## Frequently asked questions

### Is Unfog free?

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

### Is Ascent free?

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

### Do Unfog or Ascent have ads?

Neither Unfog nor Ascent shows ads.

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

Unfog ships an update every 2 days, and Ascent every 4 days. Most recently, Unfog was updated on October 17, 2026 and Ascent on October 11, 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.*