# FormateHub — All your favourite calculators

> All your favourite calculators (iPhone/iPad app by Sinomine Specialty Fluids Ltd.)

- Source: https://appshunter.io/ios/app/formatehub/id6736763133 (this page in markdown: same URL + `.md`)
- Developer: [Sinomine Specialty Fluids Ltd](https://appshunter.io/developer/1629560259)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 34 MB
- Languages: English
- Released: 2025-01-07
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/formatehub/id6736763133/reviews.md

## What is FormateHub?

Your favourite calculators now in the palm of your hand! Download and use DensiCalc, PVTCalc and BufferCalc now free of charge. The same calculators you use and love but even better.


## Version history (last 5 releases)

### 1.0.6 — 2026-04-24

1. Polished Buffer Calc to correctly validate the Original PH field
2. And changed Buffer Calc to work as a single sample calculator, improving the user experience

### 1.0.5 — 2026-03-19

This version introduces BufferCalc and general bug fixes.

### 1.0.4 — 2025-11-25

BUG FIXES:
- Now default units are applied only for the current well and for new ones. Existing wells remains unaffected upon default unit changes.

### 1.0.3 — 2025-11-19

This version introduces the following fixes:
- (DensiCalc tab) Fix well sharing
- (DensiCalc tab) Fix option to apply default units

### 1.0.2 — 2025-01-22

Fix PVT Calc to accept comma as a decimal delimiter in countries where it is used as such.

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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 2026-05-17.*