Comparison

Unit Converter Simple vs TMdrive

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

Head to head
About

Unit Converter Simple

Features
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A free app that easily converts units such as length and weight into other units. You can easily convert meters to kilometers, grams to kilograms, and so on. In addition, the converted values ​​are displayed in a list, so you can check them immediately. You can hide the units you don't need, so you can see only the units you want to see. It corresponds to various units. [Unit List] Length, Weight, Area, Volume, Angle, Time, Speed, Temperature, Force, Pressure, Acceleration, Energy [Each Unit] Length: Metre, Foot, Inch, etc. Weight: Gram, Kilogram, Pound, etc. Area: Square metre, Square foot, Hectare, etc. Volume: Litre, Cubic centimetre, Gallon, etc. Angle: Degree, Minute, Radian, etc. Time: Second, Hour, Day, etc. Speed: Metre per second, Mile per hour, Knot, etc. Temperature: Celsius, Fahrenheit, Kelvin, etc. Force: Kilogram-force, Newton, Poundal, etc. Pressure: Pascal, Hectopascal, Bar, etc. Acceleration: Metre per second squared, Gal, etc. Energy: Joule, Erg, Foot-poundal, etc.

About

TMdrive

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Document list ・ Instruction manuals for respective models can be browsed. Troubleshooting and support ・ Products can be recognized by reading the QR code marked on the driver unit. (QR codes will be marked on units one after the other.) ・ Users can check details and countermeasures for failures by selecting the model and the F1 code displayed on the drive-unit panel surface. ・ Log data handled by customers can be sent to TMEIC. Precautions and requests concerning use of the Application: - Communication fees may be required to download the Application. - The camera function is used to read QR codes. - The dial function is used when contacting customer support. - The content and functions are subject to change or termination without notice. - The Application is provided β€œas is” without any warranty. Toshiba Mitsubishi Electric Industry Systems Corporation (TMEIC) will not be held responsible for any damage caused to customers by using the Application. - TMdrive is a trademark owned by TMEIC.

Screenshots

Unit Converter Simple4 screens
TMdrive1 screens

Verdict

The call

The clearest difference is ads: TMdrive at none against Unit Converter Simple's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Unit Converter Simple ships an update every 10 months, TMdrive every 20 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

Scorecard1 real difference Β· 5 level
Unit Converter Simple versus TMdrive: the parameters behind the verdict, then further details
ParameterUnit Converter SimpleTMdrive
PriceFreeFree
Update frequencyEvery 10 months β€” betterEvery 20 months
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.2 β€” better
Further details β€” not scored
Size18 MB105 MB
Age rating4+4+
DeveloperKouji Yamauchiζ±θŠδΈ‰θ±ι›»ζ©Ÿη”£ζ₯­γ‚·γ‚Ήγƒ†γƒ ζ ͺ式会瀾(TMEIC)

In-app purchases

None

Unit Converter Simple

No in-app purchases

None

TMdrive

No in-app purchases

Questions

Is Unit Converter Simple free?
Unit Converter Simple is free to download, with no in-app purchases.
Is TMdrive free?
TMdrive is free to download, with no in-app purchases.
Do Unit Converter Simple or TMdrive have ads?
Unit Converter Simple shows ads; TMdrive does not.
Which is updated more often, Unit Converter Simple or TMdrive?
Unit Converter Simple ships an update every 10 months, and TMdrive every 20 months. Most recently, Unit Converter Simple was updated on October 8, 2026 and TMdrive on October 3, 2026.

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