# Worldly Wisdom vs Deep Digest AI

The clearest difference is update cadence: Deep Digest AI at every 5 days against Worldly Wisdom's monthly. Deep Digest AI also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Worldly Wisdom sells 3 in-app purchases, starting at $3.99 per 7 days and Deep Digest AI sells 1 in-app purchase, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Worldly Wisdom ships an update monthly, Deep Digest AI every 5 days. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Worldly Wisdom | Deep Digest AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/worldly-wisdom-ai-learning/id6738609054/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 17 MB | 23 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Ilya Mudry](https://appshunter.io/developer/1689885963) |

## What reviewers say

### Worldly Wisdom

[App page](https://appshunter.io/ios/app/worldly-wisdom-ai-learning/id6738609054)

Instantly generate AI-powered books on any subject, with options to read or listen. Save time by digesting complex information quickly and access content offline. Highlight key insights and share summaries with others.

**Highlights:** AI-powered book generation, Text-to-speech narration, Offline access, Highlight key insights, Shareable summaries, Hands-free learning

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowledge Unlock Weekly | $3.99 | per 7 days |
| Knowledge Unlock Monthly | $4.99 | per month |
| Knowledge Unlock Yearly | $28.99 | per year |


### Deep Digest AI

[App page](https://appshunter.io/ios/app/deep-digest-ai/id6756983287)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Sub | $4.99 | per 7 days |


## Frequently asked questions

### Is Worldly Wisdom free?

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

### Is Deep Digest AI free?

Deep Digest AI is free to download, with in-app purchases available.

### Do Worldly Wisdom or Deep Digest AI have ads?

Neither Worldly Wisdom nor Deep Digest AI shows ads.

### Which is updated more often, Worldly Wisdom or Deep Digest AI?

Worldly Wisdom ships an update monthly, and Deep Digest AI every 5 days. Most recently, Worldly Wisdom was updated on October 26, 2026 and Deep Digest AI on October 7, 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.*