# StimRouter Plus vs ALPHA

The clearest difference is update cadence: ALPHA at every 4 months against StimRouter Plus's every 13 months. ALPHA also leads on iOS requirement (12.4 vs 15.6). 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.

StimRouter Plus ships an update every 13 months, ALPHA every 4 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | StimRouter Plus | ALPHA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stimrouter-plus/id1480455034/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 6 MB | 18 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Bioventus LLC](https://appshunter.io/developer/887605153) | [Snapiot](https://appshunter.io/developer/1457387084) |

## What reviewers say

### StimRouter Plus

[App page](https://appshunter.io/ios/app/stimrouter-plus/id1480455034)

Control neuromodulation devices with this app. Select stimulation programs and adjust levels for connected devices individually. A compatible device is required for operation.

**Highlights:** Control stimulation programs, Adjust stimulation levels, Manage individual devices, Connect to StimRouter Plus system

**Features:** Vision Pro support

**In-app purchases:** none


### ALPHA

[App page](https://appshunter.io/ios/app/alpha-solar/id6474357614)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StimRouter Plus free?

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

### Is ALPHA free?

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

### Do StimRouter Plus or ALPHA have ads?

Neither StimRouter Plus nor ALPHA shows ads.

### Which is updated more often, StimRouter Plus or ALPHA?

StimRouter Plus ships an update every 13 months, and ALPHA every 4 months. Most recently, StimRouter Plus was updated on September 24, 2026 and ALPHA on September 18, 2026.

---

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