# Shift Calendar for Oilfield vs Workstrings

The clearest difference is review sentiment: Workstrings at 100% against Shift Calendar for Oilfield's 0%. Workstrings also leads on price (Free vs $0.99) and rating (5.0 vs 1.0). On ads, in-app purchases and device support there is nothing between them.

Workstrings is free to download; Shift Calendar for Oilfield costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Workstrings holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Workstrings has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Shift Calendar for Oilfield's written reviews are positive against 100% of Workstrings's.

Shift Calendar for Oilfield ships an update every 63 months, Workstrings every 8 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Shift Calendar for Oilfield | Workstrings |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/shift-calendar-for-oilfield/id894353734/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/workstrings/id6740924535/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 135 MB |
| Requires iOS | 16.0 | **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

### Shift Calendar for Oilfield

[App page](https://appshunter.io/ios/app/shift-calendar-for-oilfield/id894353734)

Manage your oilfield work schedule with this intuitive hitch planner. Track days on and off, including holidays and birthdays, and coordinate team schedules. Plan your shifts effectively for better work-life balance.

**Highlights:** Customizable hitch schedule setup, Track days ON/OFF, holidays, birthdays, Manage personnel schedules, User-friendly interface, Plan work-life balance

**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 Shift Calendar for Oilfield free?

Shift Calendar for Oilfield costs $0.99, with no in-app purchases.

### Is Workstrings free?

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

### Which has better reviews, Shift Calendar for Oilfield or Workstrings?

Workstrings is rated higher. Shift Calendar for Oilfield averages 1.0 out of 5 from 1 ratings, while Workstrings averages 5.0 from 14 ratings.

### Do Shift Calendar for Oilfield or Workstrings have ads?

Neither Shift Calendar for Oilfield nor Workstrings shows ads.

### Which is updated more often, Shift Calendar for Oilfield or Workstrings?

Shift Calendar for Oilfield ships an update every 63 months, and Workstrings every 8 days. Most recently, Shift Calendar for Oilfield was updated on November 1, 2026 and Workstrings on October 30, 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.*