# ATC Calculator vs Ultimate Speaker Toolkit Pro+

The clearest difference is in-app purchases: ATC Calculator at none against Ultimate Speaker Toolkit Pro+'s 4. ATC Calculator also leads on iOS requirement (6.0 vs 17.6). Ultimate Speaker Toolkit Pro+'s advantage is update cadence (every 6 weeks vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. Ultimate Speaker Toolkit Pro+ sells 4 in-app purchases, starting at $5.99 per 7 days. ATC Calculator asks for nothing beyond the download.

ATC Calculator ships an update every 15 months, Ultimate Speaker Toolkit Pro+ every 6 weeks. The most recent releases landed on October 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ATC Calculator | Ultimate Speaker Toolkit Pro+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/atc-calculator/id364625222/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 126 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Snowmoose Software](https://appshunter.io/developer/364625228) | [Frontetica](https://appshunter.io/developer/1874377992) |

## What reviewers say

### ATC Calculator

[App page](https://appshunter.io/ios/app/atc-calculator/id364625222)

This utility helps stage rally competitors calculate arrival times for upcoming controls. It supports time entry in minutes or a 24-hour clock format, displaying times in a large, easy-to-read display. Designed with large, separated buttons for use during rough transit.

**Highlights:** Stage rally timing utility, Calculate arrival times, Enter time in minutes, Enter time in hour:minute format (24-hour clock), Large time display, Large, separated buttons for easy use

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Speaker Toolkit Pro+

[App page](https://appshunter.io/ios/app/ultimate-speaker-toolkit-pro-plus/id6758677621)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $5.99 | per 7 days |
| Monthly Premium Access | $9.99 | per month |
| Yearly Premium (Special Price) | $9.99 | per year |
| Yearly Premium Access | $24.99 | per year |


## Frequently asked questions

### Is ATC Calculator free?

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

### Is Ultimate Speaker Toolkit Pro+ free?

Ultimate Speaker Toolkit Pro+ is free to download, with in-app purchases available.

### Do ATC Calculator or Ultimate Speaker Toolkit Pro+ have ads?

Neither ATC Calculator nor Ultimate Speaker Toolkit Pro+ shows ads.

### Which is updated more often, ATC Calculator or Ultimate Speaker Toolkit Pro+?

ATC Calculator ships an update every 15 months, and Ultimate Speaker Toolkit Pro+ every 6 weeks. Most recently, ATC Calculator was updated on October 13, 2026 and Ultimate Speaker Toolkit Pro+ on September 18, 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.*