# Jetty Study vs Braintree World School

The clearest difference is ads: Braintree World School at none against Jetty Study's shown. Braintree World School also leads on update cadence (every 9 days vs every 2 months). Jetty Study's advantage is iOS requirement (12.0 vs 15.6). On price, 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.

Jetty Study ships an update every 2 months, Braintree World School every 9 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Jetty Study | Braintree World School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 43 MB | 89 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gurjeet Singh](https://appshunter.io/developer/1555022419) | [Zimong Software Private Limited](https://appshunter.io/developer/1362538796) |

## What reviewers say

### Jetty Study

[App page](https://appshunter.io/ios/app/jetty-study/id6473020073)

**Features:** macOS Compatibility

**In-app purchases:** none


### Braintree World School

[App page](https://appshunter.io/ios/app/braintree-world-school/id6760758244)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jetty Study free?

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

### Is Braintree World School free?

Braintree World School is free to download, with no in-app purchases.

### Do Jetty Study or Braintree World School have ads?

Jetty Study shows ads; Braintree World School does not.

### Which is updated more often, Jetty Study or Braintree World School?

Jetty Study ships an update every 2 months, and Braintree World School every 9 days. Most recently, Jetty Study was updated on October 3, 2026 and Braintree World School on October 7, 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.*