# BMD FieldHand vs Tally Diamond

The clearest difference is update cadence: Tally Diamond at every 10 days against BMD FieldHand's every 6 weeks. Tally Diamond also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BMD FieldHand ships an update every 6 weeks, Tally Diamond every 10 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | BMD FieldHand | Tally Diamond |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/tally-diamond/id6785636714/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 24 MB | 22 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DTMA Platforms LLC](https://appshunter.io/developer/1817548520) | [Tally Production Systems, LLC](https://appshunter.io/developer/6785636716) |

## What reviewers say

### BMD FieldHand

[App page](https://appshunter.io/ios/app/bmd-fieldhand/id6754262643)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tally Diamond

[App page](https://appshunter.io/ios/app/tally-diamond/id6785636714)

This field support app helps oil and gas professionals estimate plunger fall rates and time to bottom for plunger lift systems. It provides quick calculations based on plunger data, pressure values, and tubing size.

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

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

**In-app purchases:** none


## Frequently asked questions

### Is BMD FieldHand free?

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

### Is Tally Diamond free?

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

### Do BMD FieldHand or Tally Diamond have ads?

Neither BMD FieldHand nor Tally Diamond shows ads.

### Which is updated more often, BMD FieldHand or Tally Diamond?

BMD FieldHand ships an update every 6 weeks, and Tally Diamond every 10 days. Most recently, BMD FieldHand was updated on November 9, 2026 and Tally Diamond on November 5, 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.*