# Creme Education Centre vs PFD Calc

The clearest difference is ads: Creme Education Centre at none against PFD Calc's shown. PFD Calc's advantage is update cadence (every 5 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Creme Education Centre ships an update every 2 months, PFD Calc every 5 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Creme Education Centre | PFD Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 12 MB | 14 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dreamware Limited](https://appshunter.io/developer/892413586) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## What reviewers say

### Creme Education Centre

[App page](https://appshunter.io/ios/app/creme-education-centre/id1639713707)

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

**In-app purchases:** none


### PFD Calc

[App page](https://appshunter.io/ios/app/pfd-calc-prime-factorization/id6737405828)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Creme Education Centre free?

Creme Education Centre is free to download, with no in-app purchases.

### Is PFD Calc free?

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

### Do Creme Education Centre or PFD Calc have ads?

PFD Calc shows ads; Creme Education Centre does not.

### Which is updated more often, Creme Education Centre or PFD Calc?

Creme Education Centre ships an update every 2 months, and PFD Calc every 5 weeks. Most recently, Creme Education Centre was updated on October 30, 2026 and PFD Calc on November 4, 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.*