# JTR Calcs vs RaceMG Manager

The clearest difference is in-app purchases: JTR Calcs at none against RaceMG Manager's 1. RaceMG Manager's advantage is update cadence (monthly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RaceMG Manager sells 1 in-app purchase, starting at $14.99 per month. JTR Calcs asks for nothing beyond the download.

JTR Calcs ships an update every 9 months, RaceMG Manager monthly. The most recent releases landed on September 14, 2026 and July 10, 2026 respectively.

## The numbers

| Metric | JTR Calcs | RaceMG Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/racemg-manager/id6758647764/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rex Harris](https://appshunter.io/developer/1709578578) | [Jackson Gray](https://appshunter.io/developer/1874180715) |

## What reviewers say

### JTR Calcs

[App page](https://appshunter.io/ios/app/jtr-calcs/id6468682017)

**Features:** macOS Compatibility

**In-app purchases:** none


### RaceMG Manager

[App page](https://appshunter.io/ios/app/racemg-manager/id6758647764)

Manage all aspects of motorsports operations, from race planning and vehicle setups to team tasks and financial tracking. This app helps racers and teams stay organized with expense logging, budget creation, and detailed financial reports.

**Highlights:** Race weekend planning and tracking, Vehicle setups and configurations, Parts inventory and maintenance logs, Expense and income tracking, Budget creation and management, Sponsor contribution logging, Financial report generation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Premium | $14.99 | per month |


## Frequently asked questions

### Is JTR Calcs free?

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

### Is RaceMG Manager free?

RaceMG Manager is free to download, with in-app purchases available.

### Do JTR Calcs or RaceMG Manager have ads?

Neither JTR Calcs nor RaceMG Manager shows ads.

### Which is updated more often, JTR Calcs or RaceMG Manager?

JTR Calcs ships an update every 9 months, and RaceMG Manager monthly. Most recently, JTR Calcs was updated on September 14, 2026 and RaceMG Manager on July 10, 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.*