# Moore Dictionary vs PERIS SCHOOL

The clearest difference is update cadence: PERIS SCHOOL at monthly against Moore Dictionary's every 28 months. Moore Dictionary's advantage is iOS requirement (12.2 vs 15.0). 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.

Moore Dictionary ships an update every 28 months, PERIS SCHOOL monthly. The most recent releases landed on September 12, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Moore Dictionary | PERIS SCHOOL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Monthly** |
| Size | 188 MB | 120 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Urs Niggli](https://appshunter.io/developer/1594414816) | [DATA 24](https://appshunter.io/developer/1488686535) |

## What reviewers say

### Moore Dictionary

[App page](https://appshunter.io/ios/app/moore-dictionary/id1594419407)

**Features:** macOS Compatibility

**In-app purchases:** none


### PERIS SCHOOL

[App page](https://appshunter.io/ios/app/peris-school/id6467809255)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moore Dictionary free?

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

### Is PERIS SCHOOL free?

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

### Do Moore Dictionary or PERIS SCHOOL have ads?

Neither Moore Dictionary nor PERIS SCHOOL shows ads.

### Which is updated more often, Moore Dictionary or PERIS SCHOOL?

Moore Dictionary ships an update every 28 months, and PERIS SCHOOL monthly. Most recently, Moore Dictionary was updated on September 12, 2026 and PERIS SCHOOL on September 7, 2026.

---

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