# Drowning Math vs 3.14 Master Pi

The clearest difference is in-app purchases: Drowning Math at none against 3.14 Master Pi's 5. Drowning Math also leads on update cadence (every 5 days vs every 2 months). 3.14 Master Pi's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

Drowning Math ships an update every 5 days, 3.14 Master Pi every 2 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Drowning Math | 3.14 Master Pi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 67 MB | 47 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brothapps, SL](https://appshunter.io/developer/1126030162) | [David Brown](https://appshunter.io/developer/1848509879) |

## What reviewers say

### Drowning Math

[App page](https://appshunter.io/ios/app/drowning-math-mental-math/id6450683721)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Drowning Math free?

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

### Is 3.14 Master Pi free?

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

### Do Drowning Math or 3.14 Master Pi have ads?

Neither Drowning Math nor 3.14 Master Pi shows ads.

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

Drowning Math ships an update every 5 days, and 3.14 Master Pi every 2 months. Most recently, Drowning Math was updated on October 16, 2026 and 3.14 Master Pi on October 10, 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.*