# The Pool School vs WebMAP Onc

The clearest difference is update cadence: The Pool School at every 2 months against WebMAP Onc's every 4 months. WebMAP Onc's advantage is iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The Pool School ships an update every 2 months, WebMAP Onc every 4 months. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | The Pool School | WebMAP Onc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 70 MB | 208 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Pool School](https://appshunter.io/developer/1708473740) | [Seattle Children's Hospital](https://appshunter.io/developer/575737934) |

## What reviewers say

### The Pool School

[App page](https://appshunter.io/ios/app/the-pool-school/id6467268934)

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

**In-app purchases:** none


### WebMAP Onc

[App page](https://appshunter.io/ios/app/webmap-onc/id6475694382)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Pool School free?

The Pool School is free to download, with no in-app purchases.

### Is WebMAP Onc free?

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

### Do The Pool School or WebMAP Onc have ads?

Neither The Pool School nor WebMAP Onc shows ads.

### Which is updated more often, The Pool School or WebMAP Onc?

The Pool School ships an update every 2 months, and WebMAP Onc every 4 months. Most recently, The Pool School was updated on September 13, 2026 and WebMAP Onc on September 15, 2026.

---

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