# Prêt simulator vs Compound Interest Calculator !

The clearest difference is in-app purchases: Prêt simulator at none against Compound Interest Calculator !'s 4. Compound Interest Calculator !'s advantage is update cadence (monthly vs every 7 months) and iOS requirement (16.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Compound Interest Calculator ! sells 4 in-app purchases, starting at $0.99 per month. Prêt simulator asks for nothing beyond the download.

Prêt simulator ships an update every 7 months, Compound Interest Calculator ! monthly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Prêt simulator | Compound Interest Calculator ! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Size | 1 MB | 36 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [damien guiche](https://appshunter.io/developer/1465389091) | [seunghyun shin](https://appshunter.io/developer/1505190308) |

## What reviewers say

### Prêt simulator

[App page](https://appshunter.io/ios/app/pret-simulator/id1465389092)

**Features:** macOS Compatibility

**In-app purchases:** none


### Compound Interest Calculator !

[App page](https://appshunter.io/ios/app/compound-interest-calculator/id6449872832)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| one month subscription | $0.99 | per month |
| one year subscription | $4.99 | per year |
| free forever discount | $4.99 | one-time |
| free forever | $7.99 | one-time |


## Frequently asked questions

### Is Prêt simulator free?

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

### Is Compound Interest Calculator ! free?

Compound Interest Calculator ! is free to download, with in-app purchases available.

### Which is updated more often, Prêt simulator or Compound Interest Calculator !?

Prêt simulator ships an update every 7 months, and Compound Interest Calculator ! monthly. Most recently, Prêt simulator was updated on October 3, 2026 and Compound Interest Calculator ! on September 29, 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.*