# Eternal Knowledge Portal vs Schema

The clearest difference is update cadence: Schema at every 9 days against Eternal Knowledge Portal's every 2 months. Eternal Knowledge Portal's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Eternal Knowledge Portal sells 1 one-off in-app purchase and Schema sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Eternal Knowledge Portal ships an update every 2 months, Schema every 9 days. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Eternal Knowledge Portal | Schema |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/schema-knowledge-compounding/id6747011799/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 53 MB | 165 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [Infinity Labs AG](https://appshunter.io/developer/1818442467) |

## What reviewers say

### Eternal Knowledge Portal

[App page](https://appshunter.io/ios/app/eternal-knowledge-portal/id6738376948)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowledge Economy Blueprint | $0.99 | one-time |


### Schema

[App page](https://appshunter.io/ios/app/schema-knowledge-compounding/id6747011799)

This AI-powered learning companion helps you capture, summarize, and retain important ideas. It uses smart review intervals to ensure knowledge sticks, fostering deeper understanding for lifelong learners. Turn consumed information into lasting comprehension.

**Highlights:** Capture and organize key ideas, AI summarization, Spaced repetition reviews, Smart practice for retention, Build compounding mental leverage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schema Pro Monthly | $14.99 | per month |
| Schema Pro Yearly | $149.99 | per year |


## Frequently asked questions

### Is Eternal Knowledge Portal free?

Eternal Knowledge Portal is free to download, with in-app purchases available.

### Is Schema free?

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

### Do Eternal Knowledge Portal or Schema have ads?

Neither Eternal Knowledge Portal nor Schema shows ads.

### Which is updated more often, Eternal Knowledge Portal or Schema?

Eternal Knowledge Portal ships an update every 2 months, and Schema every 9 days. Most recently, Eternal Knowledge Portal was updated on September 30, 2026 and Schema on September 23, 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.*