# Memory Palace Builder vs Topos

The clearest difference is ads: Topos at none against Memory Palace Builder's shown. Topos also leads on update cadence (every 5 days vs every 3 months). Memory Palace Builder's advantage is iOS requirement (16.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Memory Palace Builder sells 5 in-app purchases, starting at $1.39 per month and Topos sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Memory Palace Builder ships an update every 3 months, Topos every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Memory Palace Builder | Topos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/topos-ai-memory-palace/id6758406420/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 120 MB | 8 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marvin Perzi](https://appshunter.io/developer/1895391663) | [Anthem Labs](https://appshunter.io/developer/1883829488) |

## What reviewers say

### Memory Palace Builder

[App page](https://appshunter.io/ios/app/memory-palace-builder/id6755954161)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium – 1 Month | $1.39 | per month |
| Premium – 1 Year | $14.49 | per year |
| Just Coffee | $0.99 | one-time |
| Pro Version & Coffee | $4.99 | one-time |
| Pro Version! | $28.49 | one-time |


### Topos

[App page](https://appshunter.io/ios/app/topos-ai-memory-palace/id6758406420)

This app helps you retain information long-term by combining AI-powered flashcard generation with ancient memory techniques like the Memory Palace and spaced repetition. It offers a distraction-free learning environment designed for efficient, permanent understanding.

**Highlights:** AI flashcard generation from text, Memory Palace technique for spatial recall, Spaced repetition (SM-2 algorithm), Customizable memory palaces, Offline study capabilities, Distraction-free design, Progress tracking and statistics

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| topos Pro | $5.99 | per month |
| topos Pro | $49.99 | per year |


## Frequently asked questions

### Is Memory Palace Builder free?

Memory Palace Builder is free to download, with in-app purchases available.

### Is Topos free?

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

### Do Memory Palace Builder or Topos have ads?

Memory Palace Builder shows ads; Topos does not.

### Which is updated more often, Memory Palace Builder or Topos?

Memory Palace Builder ships an update every 3 months, and Topos every 5 days. Most recently, Memory Palace Builder was updated on October 24, 2026 and Topos on October 28, 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.*