# SimpleFFT vs 龙嘉SCM供应商

The clearest difference is in-app purchases: 龙嘉SCM供应商 at none against SimpleFFT's 1. 龙嘉SCM供应商 also leads on ads (none vs shown) and update cadence (every 4 months vs every 18 months). On price and device support there is nothing between them.

Both are free to download. SimpleFFT sells 1 one-off in-app purchase. 龙嘉SCM供应商 asks for nothing beyond the download.

SimpleFFT ships an update every 18 months, 龙嘉SCM供应商 every 4 months. The most recent releases landed on August 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SimpleFFT | 龙嘉SCM供应商 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 4 months** |
| Size | 5 MB | 35 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIROFUMI MARUO](https://appshunter.io/developer/667820705) | [文朗 梁](https://appshunter.io/developer/1293631579) |

## 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 |


### 龙嘉SCM供应商

[App page](https://appshunter.io/ios/app/scm/id1459545200)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SimpleFFT free?

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

### Is 龙嘉SCM供应商 free?

龙嘉SCM供应商 is free to download, with no in-app purchases.

### Do SimpleFFT or 龙嘉SCM供应商 have ads?

SimpleFFT shows ads; 龙嘉SCM供应商 does not.

### Which is updated more often, SimpleFFT or 龙嘉SCM供应商?

SimpleFFT ships an update every 18 months, and 龙嘉SCM供应商 every 4 months. Most recently, SimpleFFT was updated on August 28, 2026 and 龙嘉SCM供应商 on September 17, 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.*