# IS RT

> IS RT (iPhone/iPad app by Institut de Soudure.)

- Source: https://appshunter.io/ios/app/is-rt/id6479296879 (this page in markdown: same URL + `.md`)
- Developer: [Institut de Soudure](https://appshunter.io/developer/1735474226)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 17+
- Requires: iOS 15.6 · 28 MB
- Languages: American English
- Released: 2024-06-04
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/is-rt/id6479296879/reviews.md

## What is IS RT?

IS RT vous permet d’accéder à plusieurs fonctionnalités, dont :
- Calcul de temps de pose en Ir192 et Se75
- Estimation de la distance focale mini
- Estimation du flou géométrique
- Prise en compte des matériaux
- Prise en compte des coefficients de rapidité des films

IS RT provides access to several features, including:
- Exposure time calculation for Ir192 and Se75 sources
- Estimation of source-film minimal distance
- Estimation of geometric unsharpness
- Consideration of material types
- Consideration of film speed coefficients (R-factor)


## Version history (last 4 releases)

### 1.1.0 — 2026-03-16

Mise à jour de l’application en français/anglais
Application update in French/English.

### 1.0.2 — 2024-11-07

Mise à jour de sécurité et correctif mineur

### 1.0.1 — 2024-06-18

- Désactive les redimensionnements via les paramètres d'accessibilité
- Ajout d'une mention légale
- Ajout d'un nouvel indicateur pour le coefficient de film

### 1.0 — 2024-06-04

No release notes.

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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.*