# JTR Calcs — Nitro-CR

> Nitro-CR (iPhone/iPad app by Rex Harris.)

- Source: https://appshunter.io/ios/app/jtr-calcs/id6468682017 (this page in markdown: same URL + `.md`)
- Developer: [Rex Harris](https://appshunter.io/developer/1709578578)
- Category: Utilities, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 1 MB
- Languages: English
- Released: 2024-01-09
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/jtr-calcs/id6468682017/reviews.md

## What is JTR Calcs?

Utility App for JTR


## Version history (last 3 releases)

### 2.0 — 2025-07-24

Added Belt Drive Pulley Center Distance Calculator

### 1.1 — 2024-08-25

Updated Units and Precision

### 1.0 — 2024-01-09

No release notes.

## Apps similar to JTR Calcs

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Tip++](https://appshunter.io/ios/app/tip-plus-plus/id6648754029) | — | Free | Utilities |
| [myGold Myanmar](https://appshunter.io/ios/app/mygold-myanmar/id6698863445) | — | Free | Utilities |
| [EasyCalcualtor](https://appshunter.io/ios/app/easycalcualtor/id6449998126) | — | Free | Utilities |
| [Framify - Deck Framing 3D](https://appshunter.io/ios/app/framify-deck-framing-3d/id6739312340) | 3.7 (3) | Free | Utilities |

## More apps by Rex Harris

- [NeSmith's](https://appshunter.io/ios/app/nesmiths/id6475752633)
- [AirBilly](https://appshunter.io/ios/app/airbilly/id6748755398)

All apps by Rex Harris: https://appshunter.io/developer/1709578578

## Related topics

[jtr calcs](https://appshunter.io/ios/topics/jtr-calcs)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*