# ZISPP vs Greenfield School

The clearest difference is update cadence: ZISPP at fortnightly against Greenfield School's every 2 months. ZISPP also leads on iOS requirement (15.0 vs 17.0). 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.

ZISPP ships an update fortnightly, Greenfield School every 2 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ZISPP | Greenfield School |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/zispp/id1485737377/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 65 MB | 138 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WINTECH SOFTWARE DEVELOPMENT (CAMBODIA) CO., LTD](https://appshunter.io/developer/1597112884) | [Weduc UK Ltd](https://appshunter.io/developer/1635738266) |

## What reviewers say

### ZISPP

[App page](https://appshunter.io/ios/app/zispp/id1485737377)

This educational app promotes active learning and personal integrity for students. It encourages them to discover, explore, and engage with their homeland's development.

**Highlights:** Active learning by doing, Discovery and exploration, Promotes national development, Mutual respect and integrity, Personal responsibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Greenfield School

[App page](https://appshunter.io/ios/app/greenfield-school/id1615527953)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZISPP free?

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

### Is Greenfield School free?

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

### Do ZISPP or Greenfield School have ads?

Neither ZISPP nor Greenfield School shows ads.

### Which is updated more often, ZISPP or Greenfield School?

ZISPP ships an update fortnightly, and Greenfield School every 2 months. Most recently, ZISPP was updated on October 29, 2026 and Greenfield School on October 27, 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.*