# Duvanz vs Fathomly

The clearest difference is in-app purchases: Duvanz at none against Fathomly's 3. Duvanz also leads on update cadence (every 6 days vs every 3 weeks). Fathomly's advantage is iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Fathomly sells 3 in-app purchases, starting at $2.99 per 7 days. Duvanz asks for nothing beyond the download.

Duvanz ships an update every 6 days, Fathomly every 3 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Duvanz | Fathomly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/fathomly-learn-by-doing/id6800842023/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 42 MB | 12 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Lautaro Pereyra](https://appshunter.io/developer/1801453745) | [jake green](https://appshunter.io/developer/1845576374) |

## What reviewers say

### Duvanz

[App page](https://appshunter.io/ios/app/duvanz/id6759009356)

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

**In-app purchases:** none


### Fathomly

[App page](https://appshunter.io/ios/app/fathomly-learn-by-doing/id6800842023)

Transform any YouTube video into an interactive learning experience. This app uses cognitive science principles like active recall and spaced repetition to help you retain information long-term. It offers AI-generated summaries, a personal takeaway gallery, and adaptive testing to master any subject.

**Highlights:** Interactive learning paths from YouTube videos, AI video summaries, Active recall and spaced repetition, Adaptive testing, Personal takeaway gallery, Topic debate feature

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fathomly Scholar | $2.99 | per 7 days |
| Fathomly Scholar | $9.99 | per month |
| Fathomly Scholar | $79.99 | per year |


## Frequently asked questions

### Is Duvanz free?

Duvanz is free to download, with no in-app purchases.

### Is Fathomly free?

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

### Do Duvanz or Fathomly have ads?

Neither Duvanz nor Fathomly shows ads.

### Which is updated more often, Duvanz or Fathomly?

Duvanz ships an update every 6 days, and Fathomly every 3 weeks. Most recently, Duvanz was updated on October 25, 2026 and Fathomly on October 29, 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.*