Comparison

Forney vs Instrument Toolbox

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

Head to head
About

Forney

This utility app provides real-time monitoring of combustion processes via a connected hardware detector. It clearly indicates flame status and offers detailed insights into flame intensity across IR and UV spectrums. The app is designed for safety monitoring and fault diagnosis.

Highlights
  • Flame on/off status indication
  • Flame intensity details (IR/UV)
  • Flame discrimination settings
  • System fault display
  • Bluetooth connectivity
Features
Read full description

Forney HD Flame Detector mobile app. Use this free app to monitor your combustion process. Clear indication of flame on and flame off status. This app requires the Forney HD Flame detector hardware. This product is available by calling 800-356-7740. When a bluetooth connection is established between your iPhone or iPad and the Forney HD Flame Detector this app indicates the presence of a flame for safety monitoring. The user is also able to see details of flame intensity across a range of frequencies in both the IR and UV spectrums. The app will display settings for flame discrimination (when multiple burners are present). The Forney HD Flame detector is agency approved for use in a wide range of industries. Any system faults are clearly displayed in the app for easy diagnosis by the user. The free app does not allow the user to modify any of the system settings. The Forney HD Pro app is required to tune the system for specific site conditions.

About

Instrument Toolbox

A professional calculator designed for industrial control, automation, and instrumentation engineers. It offers quick conversions and calculations for gas concentration, units, steam properties, flange levels, and pipeline flow. Ideal for both field debugging and engineering design.

Highlights
  • PPM to mg/m³ conversion with compensation
  • Industrial unit conversion (pressure, volume, temp, etc.)
  • Saturated steam pressure and density calculator
  • Flange level migration calculations
  • Pipeline flow and velocity calculator
  • Real-time calculation results
Features
Read full description

Industrial Control & Instrumentation Toolbox - Your Smart Industrial Calculator A professional calculation toolbox designed for industrial control, automation, and instrumentation engineers. Whether for field debugging or engineering design, it helps you quickly complete various professional calculations. Core Features: PPM to mg/m³ Converter: Gas concentration unit conversion, supports custom molecular weight, built-in quick selection of common gas molecular weights, with environmental temperature and pressure compensation Unit Converter: Covers easy conversion of industrial measurement units including: Pressure (8 units including MPa, kPa, bar, psi, etc.) Volume Temperature Length Mass Saturated Steam Calculator: Input temperature to obtain saturated steam pressure, or input pressure to calculate saturated steam density, meeting steam system design requirements Flange Level Migration: Supports single/dual flange level calculations, with inputs for medium density, flange distance, and other parameters for precise level measurement calibration Pipeline Flow & Velocity Calculator: Applicable for both gas and liquid media, integrates velocity calculation, flow calculation, and diameter calculation, incorporating temperature, pressure, and other operating conditions Key Features: Clean and intuitive interface, easy operation Real-time calculation results Supports standard and operating condition conversions Built-in reference values like standard atmospheric pressure Suitable for both field engineering and design office scenarios This app is an essential professional tool for industrial automation, significantly improving engineering calculation efficiency. Target Users: Automation Engineers, Instrumentation Engineers, Process Engineers, Equipment Engineers, and other industrial control professionals.

Screenshots

Forney4 screens
Instrument Toolbox4 screens

Verdict

The call

The clearest difference is price: Forney at Free against Instrument Toolbox's $1.99. Instrument Toolbox's advantage is update cadence (weekly vs every 8 months). On ads, in-app purchases, device support and iOS requirement 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

Forney is free to download; Instrument Toolbox costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Forney ships an update every 8 months, Instrument Toolbox weekly. The most recent releases landed on September 12, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
Forney versus Instrument Toolbox: the parameters behind the verdict, then further details
ParameterForneyInstrument Toolbox
PriceFree — better$1.99
Rating5.0 (2 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 8 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size14 MB8 MB
Age rating4+4+
DeveloperForney Corporation立娜 王

Customer experience

Forney

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Instrument Toolbox

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Forney

No in-app purchases

None

Instrument Toolbox

No in-app purchases

Questions

Is Forney free?
Forney is free to download, with no in-app purchases.
Is Instrument Toolbox free?
Instrument Toolbox costs $1.99, with no in-app purchases.
Do Forney or Instrument Toolbox have ads?
Neither Forney nor Instrument Toolbox shows ads.
Which is updated more often, Forney or Instrument Toolbox?
Forney ships an update every 8 months, and Instrument Toolbox weekly. Most recently, Forney was updated on September 12, 2026 and Instrument Toolbox on September 23, 2026.

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