Comparison

XQOhm vs Prometheus Mobile STO

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

Head to head
About

XQOhm

Streamline fluid diagnostics with this app. Scan fluid barcodes to order tests and capture serial numbers for faster workflows. Create new assets and manage fluid intake efficiently.

Highlights
  • Fluid diagnostic intake
  • Create new assets
  • Scan fluid barcodes
  • Order tests
  • Capture serial numbers
  • Expedite workflow
Features
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App for fluid diagnostic intake Users can now use this app to intake fluids and create new assets! Its as easy as scanning the barcode of the fluid and quickly ordering tests! You can also take a picture of the serial number to help expedite your workflow!

About

Prometheus Mobile STO

Features
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Prometheus STO Mobile is a Prometheus Group Platform that is an easy-to-use interface and framework to address shut-down, turn-around, and outages of heavy assets in various industries. Prometheus Group is the leading enterprise asset management software solution provider, covering your plant maintenance, operations, and safety needs from planning to execution and beyond.

Screenshots

XQOhm4 screens
Prometheus Mobile STO4 screens

Verdict

The call

XQOhm and Prometheus Mobile STO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

ScorecardNo meaningful differences
XQOhm versus Prometheus Mobile STO: the parameters behind the verdict, then further details
ParameterXQOhmPrometheus Mobile STO
PriceFreeFree
Rating5.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size36 MB34 MB
Age rating4+17+
DeveloperMVA Diagnostics, Inc.PROMETHEUS GROUP, INC.

In-app purchases

None

XQOhm

No in-app purchases

None

Prometheus Mobile STO

No in-app purchases

Questions

Is XQOhm free?
XQOhm is free to download, with no in-app purchases.
Is Prometheus Mobile STO free?
Prometheus Mobile STO is free to download, with no in-app purchases.
Do XQOhm or Prometheus Mobile STO have ads?
Neither XQOhm nor Prometheus Mobile STO shows ads.
Which is updated more often, XQOhm or Prometheus Mobile STO?
XQOhm ships an update every 2 months, and Prometheus Mobile STO every 2 months. Most recently, XQOhm was updated on October 9, 2026 and Prometheus Mobile STO on October 30, 2026.

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