# Sena +Mesh vs STS Position Size Calculator

The clearest difference is price: Sena +Mesh at Free against STS Position Size Calculator's $12.99. STS Position Size Calculator's advantage is update cadence (fortnightly vs every 50 months) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Sena +Mesh is free to download; STS Position Size Calculator costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sena +Mesh ships an update every 50 months, STS Position Size Calculator fortnightly. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sena +Mesh | STS Position Size Calculator |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[1.0 (6 ratings)](https://appshunter.io/ios/app/sena-plus-mesh/id1560792031/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 4 MB | 46 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Sena Technologies](https://appshunter.io/developer/888785841) | [Smart Trading Software ltd](https://appshunter.io/developer/1706120455) |

## What reviewers say

### Sena +Mesh

[App page](https://appshunter.io/ios/app/sena-plus-mesh/id1560792031)

Control your +Mesh device directly from your smartphone. Easily manage settings, toggle Mesh Intercom, and switch between channels. Stay updated with firmware notifications and access the Quick Start Guide.

**Highlights:** Manage Mesh Intercom channels, Volume control, Firmware update notifications, Download Quick Start Guide, Bluetooth pairing

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

**In-app purchases:** none


### STS Position Size Calculator

[App page](https://appshunter.io/ios/app/sts-position-size-calculator/id6465696183)

**In-app purchases:** none


## Frequently asked questions

### Is Sena +Mesh free?

Sena +Mesh is free to download, with no in-app purchases.

### Is STS Position Size Calculator free?

STS Position Size Calculator costs $12.99, with no in-app purchases.

### Do Sena +Mesh or STS Position Size Calculator have ads?

Neither Sena +Mesh nor STS Position Size Calculator shows ads.

### Which is updated more often, Sena +Mesh or STS Position Size Calculator?

Sena +Mesh ships an update every 50 months, and STS Position Size Calculator fortnightly. Most recently, Sena +Mesh was updated on October 20, 2026 and STS Position Size Calculator on October 14, 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.*