# 3.14 Master Pi vs PiMemory

The clearest difference is in-app purchases: PiMemory at none against 3.14 Master Pi's 5. PiMemory also leads on update cadence (fortnightly vs every 2 months). 3.14 Master Pi's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 3.14 Master Pi sells 5 one-off in-app purchases. PiMemory asks for nothing beyond the download.

3.14 Master Pi ships an update every 2 months, PiMemory fortnightly. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 3.14 Master Pi | PiMemory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 47 MB | 11 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Brown](https://appshunter.io/developer/1848509879) | [Younghan Kim](https://appshunter.io/developer/1859100256) |

## What reviewers say

### 3.14 Master Pi

[App page](https://appshunter.io/ios/app/314-master-pi/id6754499094)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summation Supporter | $2.99 | one-time |
| Premium (Lifetime) | $4.99 | one-time |
| Radical Patron | $9.99 | one-time |
| Infinite Supporter | $29.99 | one-time |
| Pi Master | $99.99 | one-time |


### PiMemory

[App page](https://appshunter.io/ios/app/pimemory/id6756199880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3.14 Master Pi free?

3.14 Master Pi is free to download, with in-app purchases available.

### Is PiMemory free?

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

### Do 3.14 Master Pi or PiMemory have ads?

PiMemory shows ads; 3.14 Master Pi does not.

### Which is updated more often, 3.14 Master Pi or PiMemory?

3.14 Master Pi ships an update every 2 months, and PiMemory fortnightly. Most recently, 3.14 Master Pi was updated on October 10, 2026 and PiMemory on October 17, 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.*