# Pi Masters vs Memory Palace Builder

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

Both are free to download. Memory Palace Builder sells 5 in-app purchases, starting at $1.39 per month. Pi Masters asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Pi Masters | Memory Palace Builder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Size | 2 MB | 120 MB |
| Requires iOS | 17.5 | **16.0** |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dave Poirier](https://appshunter.io/developer/757241910) | [Marvin Perzi](https://appshunter.io/developer/1895391663) |

## What reviewers say

### Pi Masters

[App page](https://appshunter.io/ios/app/pi-masters/id6504531645)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Pi Masters free?

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

### Is Memory Palace Builder free?

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

### Do Pi Masters or Memory Palace Builder have ads?

Memory Palace Builder shows ads; Pi Masters does not.

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

Pi Masters ships an update every 3 months, and Memory Palace Builder every 3 months. Most recently, Pi Masters was updated on October 4, 2026 and Memory Palace Builder on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*