# Blue Force vs DD Allocation

The clearest difference is update cadence: DD Allocation at every 4 days against Blue Force's monthly. Blue Force's advantage is iOS requirement (11.0 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.

Blue Force ships an update monthly, DD Allocation every 4 days. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Blue Force | DD Allocation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/blue-force/id1563457554/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 31 MB | 43 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nabors Corporate Services, Inc.](https://appshunter.io/developer/1478802238) | [Mohamed Zaki](https://appshunter.io/developer/1877286929) |

## What reviewers say

### Blue Force

[App page](https://appshunter.io/ios/app/blue-force/id1563457554)

Easily browse and search for the latest motor spec sheets for directional drilling. Filter by various specifications to find the perfect motor for your job. Save favorites and share spec sheets with your team, with 24/7 expert support available.

**Highlights:** Browse and search motor spec sheets, Filter by Type, Size, Lobes, Stages, and more, Save favorite motor cards, Email spec sheets to team, 24/7 expert directional drilling support

**Features:** macOS Compatibility

**In-app purchases:** none


### DD Allocation

[App page](https://appshunter.io/ios/app/dd-allocation/id6762076848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Force free?

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

### Is DD Allocation free?

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

### Do Blue Force or DD Allocation have ads?

Neither Blue Force nor DD Allocation shows ads.

### Which is updated more often, Blue Force or DD Allocation?

Blue Force ships an update monthly, and DD Allocation every 4 days. Most recently, Blue Force was updated on October 2, 2026 and DD Allocation on October 4, 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.*