# Soliton KeyManager vs SDM Agent

The clearest difference is iOS requirement: SDM Agent at 10.0 against Soliton KeyManager's 13.0. 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.

Soliton KeyManager ships an update every 6 months, SDM Agent every 4 months. The most recent releases landed on January 26, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Soliton KeyManager | SDM Agent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Size | 6 MB | 10 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soliton Systems K.K.](https://appshunter.io/developer/400872810) | [ISB Corporation](https://appshunter.io/developer/318273730) |

## What reviewers say

### Soliton KeyManager

[App page](https://appshunter.io/ios/app/soliton-keymanager/id687214387)

**In-app purchases:** none


### SDM Agent

[App page](https://appshunter.io/ios/app/sdm-agent/id739028997)

**In-app purchases:** none


## Frequently asked questions

### Is Soliton KeyManager free?

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

### Is SDM Agent free?

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

### Do Soliton KeyManager or SDM Agent have ads?

Neither Soliton KeyManager nor SDM Agent shows ads.

### Which is updated more often, Soliton KeyManager or SDM Agent?

Soliton KeyManager ships an update every 6 months, and SDM Agent every 4 months. Most recently, Soliton KeyManager was updated on January 26, 2026 and SDM Agent on May 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*