# Clymb vs Schema

The clearest difference is in-app purchases: Clymb at none against Schema's 2. Clymb also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). Schema's advantage is update cadence (every 9 days vs every 7 months). On price and ads there is nothing between them.

Both are free to download. Schema sells 2 in-app purchases, starting at $14.99 per month. Clymb asks for nothing beyond the download.

Clymb ships an update every 7 months, Schema every 9 days. The most recent releases landed on September 14, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Clymb | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 69 MB | 165 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Infinite Focus, Inc.](https://appshunter.io/developer/1469741888) | [Infinity Labs AG](https://appshunter.io/developer/1818442467) |

## What reviewers say

### Clymb

[App page](https://appshunter.io/ios/app/clymb/id6596743408)

**In-app purchases:** none


### 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 Clymb free?

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

### Is Schema free?

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

### Do Clymb or Schema have ads?

Neither Clymb nor Schema shows ads.

### Which is updated more often, Clymb or Schema?

Clymb ships an update every 7 months, and Schema every 9 days. Most recently, Clymb was updated on September 14, 2026 and Schema on September 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.*