# Fast Interest Calculator vs Loopro

The clearest difference is in-app purchases: Fast Interest Calculator at none against Loopro's 2. Fast Interest Calculator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 26.0). Loopro's advantage is update cadence (every 2 days vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. Loopro sells 2 in-app purchases, starting at $2.99 per month. Fast Interest Calculator asks for nothing beyond the download.

Fast Interest Calculator ships an update every 6 weeks, Loopro every 2 days. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Fast Interest Calculator | Loopro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 51 MB | 6 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Camilo Ortegon](https://appshunter.io/developer/993583183) | [Mateusz Michel](https://appshunter.io/developer/1882501764) |

## What reviewers say

### Fast Interest Calculator

[App page](https://appshunter.io/ios/app/fast-interest-calculator/id6475480484)

**Features:** macOS Compatibility

**In-app purchases:** none


### Loopro

[App page](https://appshunter.io/ios/app/loopro/id6760047324)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loopro Premium | $2.99 | per month |
| Loopro Premium | $29.99 | per year |


## Frequently asked questions

### Is Fast Interest Calculator free?

Fast Interest Calculator is free to download, with no in-app purchases.

### Is Loopro free?

Loopro is free to download, with in-app purchases available.

### Do Fast Interest Calculator or Loopro have ads?

Neither Fast Interest Calculator nor Loopro shows ads.

### Which is updated more often, Fast Interest Calculator or Loopro?

Fast Interest Calculator ships an update every 6 weeks, and Loopro every 2 days. Most recently, Fast Interest Calculator was updated on September 23, 2026 and Loopro on September 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.*