# Polymath vs Screenbox

The clearest difference is in-app purchases: Polymath at none against Screenbox's 2. Polymath also leads on update cadence (every 3 weeks vs every 4 months) and device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Screenbox sells 2 in-app purchases, starting at $1.99 per month. Polymath asks for nothing beyond the download.

Polymath ships an update every 3 weeks, Screenbox every 4 months. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Polymath | Screenbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 11 MB | 120 MB |
| Requires iOS | 26.1 | **26.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Divyansh Divyansh](https://appshunter.io/developer/1870395698) | [FERRAN FERNANDEZ GARRIDO](https://appshunter.io/developer/1875850761) |

## What reviewers say

### Polymath

[App page](https://appshunter.io/ios/app/polymath-think-plan-do/id6758142607)

**In-app purchases:** none


### Screenbox

[App page](https://appshunter.io/ios/app/screenbox/id6758933659)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Screenbox Premium | $1.99 | per month |
| Screenbox Premium | $11.99 | per year |


## Frequently asked questions

### Is Polymath free?

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

### Is Screenbox free?

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

### Do Polymath or Screenbox have ads?

Neither Polymath nor Screenbox shows ads.

### Which is updated more often, Polymath or Screenbox?

Polymath ships an update every 3 weeks, and Screenbox every 4 months. Most recently, Polymath was updated on September 18, 2026 and Screenbox on September 20, 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.*