Comparison

Stealth Hydro Data vs DR Chemical

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stealth Hydro Data

Features
Read full description

Stealth Application for pressure testing sections of pipe with a digital pressure gauge. All data is stored digitally and test reports are created for our customer with date/time stamp.

About

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.

Highlights
  • DrillRite Chem product information
  • Reference materials
  • Calculators for drilling crews
  • HDD, mining, and water well drilling focus
  • Job efficiency and safety enhancement
Read full description

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.

Screenshots

Stealth Hydro Data3 screens
DR Chemical4 screens

Verdict

The call

The clearest difference is update cadence: DR Chemical at every 2 weeks against Stealth Hydro Data's every 41 months. Stealth Hydro Data's advantage is iOS requirement (12.0 vs 16.6). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Stealth Hydro Data ships an update every 41 months, DR Chemical every 2 weeks. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 7 level
Stealth Hydro Data versus DR Chemical: the parameters behind the verdict, then further details
ParameterStealth Hydro DataDR Chemical
PriceFreeFree
Rating—4.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 41 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size8 MB36 MB
Age rating9+4+
DeveloperJM Test Systems Inc.GROUP M7, INC.

In-app purchases

None

Stealth Hydro Data

No in-app purchases

None

DR Chemical

No in-app purchases

Questions

Is Stealth Hydro Data free?
Stealth Hydro Data is free to download, with no in-app purchases.
Is DR Chemical free?
DR Chemical is free to download, with no in-app purchases.
Do Stealth Hydro Data or DR Chemical have ads?
Neither Stealth Hydro Data nor DR Chemical shows ads.
Which is updated more often, Stealth Hydro Data or DR Chemical?
Stealth Hydro Data ships an update every 41 months, and DR Chemical every 2 weeks. Most recently, Stealth Hydro Data was updated on October 18, 2026 and DR Chemical on October 21, 2026.

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