# Tally Diamond

> Field support app for oil and gas professionals estimating plunger lift system performance. (iPhone/iPad app by Tally Production Systems, LLC.)

- Source: https://appshunter.io/ios/app/tally-diamond/id6785636714 (this page in markdown: same URL + `.md`)
- Developer: [Tally Production Systems, LLC](https://appshunter.io/developer/6785636716)
- Category: Business, Utilities
- Price: Free
- Rating: 5.00/5 from 6 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 22 MB
- Languages: American English
- Released: 2026-07-12
- Data updated: 2026-08-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/tally-diamond/id6785636714/reviews.md

## What is Tally Diamond?

Tally Diamond is a field support app designed for oil and gas professionals who work with plunger lift systems, well performance, and production operations.

The app provides a quick way to estimate plunger fall rate and time to bottom using selected plunger data and static pressure values. Users can select tubing size, plunger part description, Tally part number, and static pressure to calculate an estimated velocity rate. Users may also enter bottom hole spring depth to estimate minimum time to bottom.

Key features include:

• Plunger fall rate calculator
• Velocity rate estimate based on selected plunger and pressure
• Time-to-bottom estimate using bottom hole spring depth
• Tally part number reference
• Sales representative lookup by location or manual region selection
• Contact options for Tally Diamond support

Tally Diamond is intended for informational and field support purposes. Results are estimates and should not be treated as final engineering recommendations. Well environments may vary, and results should be reviewed by qualified personnel or other industry professionals as appropriate.

Location access is optional and is used only when a user chooses to find the appropriate Tally representative based on current location. Users may also select their region manually.

## Key features

- Plunger fall rate calculator
- Velocity rate estimation
- Time-to-bottom estimation
- Tally part number reference
- Sales representative lookup
- Support contact options


## Frequently asked questions about Tally Diamond

### What is Tally Diamond used for?

Tally Diamond is a field support app for oil and gas professionals. It helps estimate plunger fall rate and time to bottom for plunger lift systems using selected plunger data and static pressure values.

### Does Tally Diamond provide exact engineering recommendations?

No, Tally Diamond is intended for informational and field support purposes. The results are estimates and should not be treated as final engineering recommendations. Qualified personnel should review the results.

### How does Tally Diamond calculate plunger fall rate?

Users can select tubing size, plunger part description, Tally part number, and static pressure to calculate an estimated velocity rate, which is the plunger fall rate.

### Can Tally Diamond estimate time to bottom?

Yes, users can enter the bottom hole spring depth to estimate the minimum time to bottom for the plunger.

### Does Tally Diamond require location access?

Location access is optional and is used only when a user chooses to find the appropriate Tally representative based on their current location. Users can also select their region manually.

### What devices is Tally Diamond available on?

Tally Diamond is supported on iPhone, iPad, and iPod devices.

### How often is Tally Diamond updated?

The latest version is 1.0.3, and it was last updated on August 3, 2026. This indicates a recent update frequency.

### What is the user rating for Tally Diamond?

Tally Diamond has a high rating of 5.0 stars based on 3 ratings, suggesting strong user satisfaction.

## Version history (last 5 releases)

### 1.0.5 — 2026-08-25

Updated dynamic text settings to ensure all text is clean and visible.

### 1.0.3 — 2026-08-03

Updated field representative contact information.

### 1.0.2 — 2026-07-20

Updated app experience with a new landing page, improved calculator usability, and improved layout handling across device display settings. Login and account creation are no longer required to access the app.

### 1.0.1 — 2026-07-19

Updated app experience with a new landing page, improved calculator usability, and improved layout handling across device display settings. Login and account creation are no longer required to access the app.

### 1.0.0 — 2026-07-13

No release notes.

## Related topics

[roscoe moss calculator app](https://appshunter.io/ios/topics/roscoe-moss-calculator-app) · [roscoe moss](https://appshunter.io/ios/topics/roscoe-moss)

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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 2026-08-26.*