Air~Select vs Deep Dive Drill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Air~Select
This utility helps users select the appropriate air compressor based on critical technical specifications. It considers factors such as operating pressure and required airflow to guide your choice.
- Compressor selection tool
- Technical specification input
- Operating pressure consideration
- Airflow requirement calculation
- Guided selection process
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The APP enables right compressor selection based on technical considerations like Operating Pressure, Air Flow required and so on
Deep Dive Drill
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Identify Minerals in the Field Walk through a structured identification workflow based on the Mohs hardness scale and standard mineralogical criteria. No equipment beyond what you carry. No guesswork. No internet connection. Build Your Personal Collection Save identified specimens with photos, location notes, collection date, and custom descriptions. Filter and sort your collection by mineral class, match quality, or date. Every specimen stays on your device — no account needed. Browse the Reference Database Explore a comprehensive mineral database with detailed entries covering chemical formula, crystal system, specific gravity, associated minerals, and occurrence contexts. Filter by luster, color, hardness, class, and more. Track Your Session History Review every identification session with a full recap of your answers and top candidates. See your monthly activity, overall confidence rate, and your most frequently encountered minerals.
Screenshots
Verdict
The clearest difference is update cadence: Deep Dive Drill at every 4 days against Air~Select's every 6 months. Air~Select's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Air~Select ships an update every 6 months, Deep Dive Drill every 4 days. The most recent releases landed on September 25, 2026 and October 4, 2026 respectively.
| Parameter | Air~Select | Deep Dive Drill |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 31 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Subodh Nair | Alex Ortega |
In-app purchases
Air~Select
No in-app purchases
Deep Dive Drill
No in-app purchases
