# OilField Hydrostatic Pressure. vs Workstrings

The clearest difference is price: Workstrings at Free against OilField Hydrostatic Pressure.'s $0.99. Workstrings also leads on update cadence (every 8 days vs every 38 months) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Workstrings is free to download; OilField Hydrostatic Pressure. costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OilField Hydrostatic Pressure. ships an update every 38 months, Workstrings every 8 days. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | OilField Hydrostatic Pressure. | Workstrings |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (14 ratings)](https://appshunter.io/ios/app/workstrings/id6740924535/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 1 MB | 135 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [zhandos uakanov](https://appshunter.io/developer/625286817) | [SESI Holdings, Inc.](https://appshunter.io/developer/1777501957) |

## What reviewers say

### OilField Hydrostatic Pressure.

[App page](https://appshunter.io/ios/app/oilfield-hydrostatic-pressure/id921528975)

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

**In-app purchases:** none


### Workstrings

[App page](https://appshunter.io/ios/app/workstrings/id6740924535)

Access and share detailed product specifications for a wide range of tubular goods and specialized joints. Easily search, view, and download spec sheets for items like drill pipe, landing string, and drill collars.

**Highlights:** Search product specifications, View detailed spec sheets, Download specification documents, Share product information, Browse tubular goods, Access Worktech Joints specs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OilField Hydrostatic Pressure. free?

OilField Hydrostatic Pressure. costs $0.99, with no in-app purchases.

### Is Workstrings free?

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

### Do OilField Hydrostatic Pressure. or Workstrings have ads?

Neither OilField Hydrostatic Pressure. nor Workstrings shows ads.

### Which is updated more often, OilField Hydrostatic Pressure. or Workstrings?

OilField Hydrostatic Pressure. ships an update every 38 months, and Workstrings every 8 days. Most recently, OilField Hydrostatic Pressure. was updated on September 21, 2026 and Workstrings on June 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.*