# One Key By Caruma vs SDProg Tools

The clearest difference is iOS requirement: One Key By Caruma at 12.0 against SDProg Tools's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

One Key By Caruma ships an update every 2 months, SDProg Tools monthly. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | One Key By Caruma | SDProg Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 33 MB | 24 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Caruma Sp. z o.o.](https://appshunter.io/developer/1604187796) | [NexDiag Sp z o. o.](https://appshunter.io/developer/1316943345) |

## What reviewers say

### One Key By Caruma

[App page](https://appshunter.io/ios/app/one-key-by-caruma/id1604196352)

**In-app purchases:** none


### SDProg Tools

[App page](https://appshunter.io/ios/app/sdprog-tools/id6741516445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Key By Caruma free?

One Key By Caruma is free to download, with no in-app purchases.

### Is SDProg Tools free?

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

### Do One Key By Caruma or SDProg Tools have ads?

Neither One Key By Caruma nor SDProg Tools shows ads.

### Which is updated more often, One Key By Caruma or SDProg Tools?

One Key By Caruma ships an update every 2 months, and SDProg Tools monthly. Most recently, One Key By Caruma was updated on September 27, 2026 and SDProg Tools on October 6, 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.*