DR Chemical vs PRIME _
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DR Chemical
This reference guide provides essential information, formulas, and calculators for HDD, mining, and water well drilling professionals. It simplifies job tasks, enhancing efficiency and safety by offering easy access to product details and calculations.
- DrillRite Chem product information
- Reference materials
- Calculators for drilling crews
- HDD, mining, and water well drilling focus
- Job efficiency and safety enhancement
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A reference guide app that shows DrillRite Chem products, reference materials, and calculators that HDD, mining, and water well drilling crews need to do their jobs easier, faster, and safer.
PRIME _
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The PRIME app expands the setting options beyond what the PRIME control panel provides. This application brings functions that allow for customization and extended control (timer, door switch mode, summer-heating mode, chaining, etc.).
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Verdict
The clearest difference is update cadence: DR Chemical at every 2 weeks against PRIME _'s every 4 months. On price, ads, in-app purchases and device support 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.
DR Chemical ships an update every 2 weeks, PRIME _ every 4 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | DR Chemical | PRIME _ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 90 MB |
| Age rating | 4+ | 17+ |
| Developer | GROUP M7, INC. | Lukas Mirejovsky |
In-app purchases
DR Chemical
No in-app purchases
PRIME _
No in-app purchases
Questions
Is DR Chemical free?
Is PRIME _ free?
Do DR Chemical or PRIME _ have ads?
Which is updated more often, DR Chemical or PRIME _?
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