# SimpleFFT vs FOOT COMPARE

The clearest difference is in-app purchases: FOOT COMPARE at none against SimpleFFT's 1. FOOT COMPARE also leads on update cadence (every 5 months vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SimpleFFT sells 1 one-off in-app purchase. FOOT COMPARE asks for nothing beyond the download.

SimpleFFT ships an update every 18 months, FOOT COMPARE every 5 months. The most recent releases landed on August 28, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SimpleFFT | FOOT COMPARE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Every 5 months** |
| Size | 5 MB | 72 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIROFUMI MARUO](https://appshunter.io/developer/667820705) | [VO MAI TRINH](https://appshunter.io/developer/1528110969) |

## What reviewers say

### SimpleFFT

[App page](https://appshunter.io/ios/app/simplefft/id1239257017)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Functions | $0.49 | one-time |


### FOOT COMPARE

[App page](https://appshunter.io/ios/app/foot-compare/id6756397147)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SimpleFFT free?

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

### Is FOOT COMPARE free?

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

### Do SimpleFFT or FOOT COMPARE have ads?

Both SimpleFFT and FOOT COMPARE show ads.

### Which is updated more often, SimpleFFT or FOOT COMPARE?

SimpleFFT ships an update every 18 months, and FOOT COMPARE every 5 months. Most recently, SimpleFFT was updated on August 28, 2026 and FOOT COMPARE on September 12, 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.*