Comparison

FUEL DENSITY vs TC

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

Head to head
About

FUEL DENSITY

Features
Read full description

CORRECTION OF FUEL DENSITY

About

TC

This utility app provides quick and accurate conversions between resistance, potential, and temperature for various thermocouples and RTDs. It supports offline use, temperature recording with export, and offers an intuitive interface for field technicians and engineers.

Highlights
  • Thermocouple and RTD conversion
  • Supports multiple sensor types
  • Offline functionality
  • Temperature recording and charting
  • Export data to Excel
  • Intuitive user interface
Features
Read full description

This software is a user-friendly, efficient, and comprehensive tool designed for field technicians, engineers, and programmers. It allows for quick and easy conversion between resistance potential and temperature, suitable for various common temperature sensors. This application simplifies the temperature measurement process, providing a practical solution for professionals. Data support: Supports thermocouple types B, E, J, K, N, R, S, T, C, D, G with all voltages measured in millivolts (mV). The conversion formulas used are derived from NIST thermocouple tables and coefficients. Supports bi-directional query for PT1000, PT100, PT500, PT800, PT10, CU50, CU100, Ni100, Ni120, Ni1000 RTDs (ITS-90). Temperature recording: Supports temperature recording and temperature curve display, with one-click export of records and charts to Excel, facilitating on-site data entry and analysis. Fast and accurate: Instantly obtain the temperature coefficients and performance curves you need. Offline availability: Can be queried in field environments without network access. Intuitive interface: Clean design, easy to operate. Regular updates: Always maintains the latest industry standards. Whether you're an industrial automation engineer, process control expert, factory instrument engineer, or a student of temperature measurement, TC-RTD is an indispensable assistant for you.

Screenshots

FUEL DENSITY2 screens
TC4 screens

Verdict

The call

The clearest difference is update cadence: FUEL DENSITY at every 5 days against TC's every 3 months. TC's advantage is price ($1.99 vs $2.99) and iOS requirement (13.0 vs 15.2). On 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

FUEL DENSITY costs $2.99 and TC $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FUEL DENSITY ships an update every 5 days, TC every 3 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
FUEL DENSITY versus TC: the parameters behind the verdict, then further details
ParameterFUEL DENSITYTC
Price$2.99$1.99 — better
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 days — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.213.0 — better
Further details — not scored
Size2 MB12 MB
Age rating17+4+
DeveloperOleksii Nezhalskyi立娜 王

In-app purchases

None

FUEL DENSITY

No in-app purchases

None

TC

No in-app purchases

Questions

Is FUEL DENSITY free?
FUEL DENSITY costs $2.99, with no in-app purchases.
Is TC free?
TC costs $1.99, with no in-app purchases.
Do FUEL DENSITY or TC have ads?
Neither FUEL DENSITY nor TC shows ads.
Which is updated more often, FUEL DENSITY or TC?
FUEL DENSITY ships an update every 5 days, and TC every 3 months. Most recently, FUEL DENSITY was updated on October 8, 2026 and TC on October 2, 2026.

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