# Memo vs Schema

The clearest difference is update cadence: Schema at every 9 days against Memo's every 2 weeks. Memo's advantage is ratings volume (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Memo sells 2 in-app purchases, starting at $19.99 per month 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.

On the App Store both sit at effectively the same score — 5.0 for Memo against 5.0 for Schema. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Memo ships an update every 2 weeks, Schema every 9 days. The most recent releases landed on August 12, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Memo | Schema |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/memo-memory-and-brain-training/id6448979543/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/schema-knowledge-compounding/id6747011799/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 50 MB | 165 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siarhei Keller](https://appshunter.io/developer/1687258851) | [Infinity Labs AG](https://appshunter.io/developer/1818442467) |

## What reviewers say

### Memo

[App page](https://appshunter.io/ios/app/memo-memory-and-brain-training/id6448979543)

Engage in quick, daily brain training with memory games and math puzzles designed to sharpen focus and mental agility. Perfect for busy schedules, it offers personalized challenges and progress tracking for all ages.

**Highlights:** Quick daily sessions under 5 minutes, Diverse game collection (math, memory, color, focus), Personalized difficulty adjustment, Detailed progress tracking and reports, Streak tracking for habit building, Family-friendly with multiple profiles

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo Premium +30d Free | $19.99 | per month |
| Memo Premium +30d Free | $79.99 | per year |


### 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 Memo free?

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

### Is Schema free?

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

### Which has better reviews, Memo or Schema?

Memo and Schema are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Memo or Schema have ads?

Neither Memo nor Schema shows ads.

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

Memo ships an update every 2 weeks, and Schema every 9 days. Most recently, Memo was updated on August 12, 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.*