# SPP vs USB e

The clearest difference is update cadence: USB e at every 3 days against SPP's every 14 months. SPP's advantage is iOS requirement (11.0 vs 16.1). On price, ads, in-app purchases and device support there is nothing between them.

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

SPP ships an update every 14 months, USB e every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SPP | USB e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 days** |
| Size | 165 MB | 2 MB |
| Requires iOS | **11.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mustafa KOCA](https://appshunter.io/developer/1069293951) | [SAID SURUCU](https://appshunter.io/developer/1833979467) |

## What reviewers say

### SPP

[App page](https://appshunter.io/ios/app/spp/id1572831488)

**Features:** macOS Compatibility

**In-app purchases:** none


### USB e

[App page](https://appshunter.io/ios/app/usb-e-imza-girisi/id6812876309)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPP free?

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

### Is USB e free?

USB e is free to download, with no in-app purchases.

### Do SPP or USB e have ads?

Neither SPP nor USB e shows ads.

### Which is updated more often, SPP or USB e?

SPP ships an update every 14 months, and USB e every 3 days. Most recently, SPP was updated on November 3, 2026 and USB e on October 31, 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.*