Comparison

UnitConverter byNSDev vs Logitec EXtorage Link

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

Head to head
About

UnitConverter byNSDev

This tool converts between 26 different types of units, displaying conversion rates and allowing you to specify decimal places. It supports a vast array of units across categories like length, mass, volume, and more.

Highlights
  • Converts 26 types of units
  • Displays conversion rates
  • Customizable decimal places
  • Supports numerous units in various categories
  • User-submitted unit requests
Features
Read full description

Tool to convert each of 26 types of units. When you select a unit of value that you enter, you create a table to calculate all the other units. It also displays the conversion rate. You can also specify the number of decimal places. 23 units in Length 18 units in Area 31 units in Volume 15 units in Mass 5 units in Angle 4 units in Temperature 7 units in Time 3 units in Frequency 5 units in Force 17 units in Pressure 6 units in Energy 6 units in Power rate 13 units in Speed 14 units in Acceleration 2 units in Dynamic viscosity 4 units in Kinematic viscosity 3 units in Magnetic flux density 2 units in Magnetic flux 7 units in Luminance 4 units in Illuminance 3 units in Radiation - source activity 2 units in Radiation - absorbed dose 2 units in Radiation - equivalent dose 2 units in Radiation - exposure 7 units in Infomation 7 units in Resolution Because we want to support units around the world, We will wait for the name and unit conversion information. Please enter your review.

About

Logitec EXtorage Link

Manage your files effortlessly by connecting external USB storage to your device. Back up and transfer music, photos, documents, and more without needing a computer or internet connection. This app simplifies file management and ensures your data is safe.

Highlights
  • External USB storage connection
  • File backup and management
  • Transfer files between iOS and PC
  • Direct photo saving to USB
  • Contact backup
  • Supports various file types
Read full description

Extorage Linkは、あなたのファイルを管理する画期的なアプリケーションです。 対応する外部ストレージ(USBメモリ)と同時に使うことで、クラウド、ケーブルやインターネットを使わずに音楽・写真・書類などのファイルのバックアップや管理を簡単に行うことができます。 外部ストレージ(USBメモリ)を介して、iOS端末とPC間でのファイル交換を行うことができます。 Logitec製の対応機器:USBメモリ(LMF-LGU3Aシリーズ) パソコンが無くても連絡先をバックアップでき、スマートフォンの買い替え時や故障・紛失など、万が一の時にも安心です。 スマートフォンに保存した写真・動画をUSBメモリへ直接コピー/移動ができるため、クラウドやパソコンを使わずにバックアップが可能です。 アプリ内のカメラを使えば撮影した写真を直接USBメモリへ保存することができ、スマートフォンやタブレットの空き容量がなくても写真撮影が可能です。 音楽やドキュメントなど、豊富なファイルを外部ストレージやスマホ/タブレットへ保存することができます。 □対応ファイル 写真:BMP/JPG/PNG/GIF/HEIC※1 動画:mov/mp4 (MPEG4 AVC) 音楽:WAV/MP3/AIFF/ALAC/AAC 文書:pdf/doc/xls/ppt/txt/csv    その他iOSがサポートする形式全て ※環境によっては、正しく表示されない場合があります。  ※1 HEICは、端末がHEIC対応のみ、当社アプリでも対応となります。

Screenshots

UnitConverter byNSDev3 screens
Logitec EXtorage Link3 screens

Verdict

The call

The clearest difference is review sentiment: UnitConverter byNSDev at 20% against Logitec EXtorage Link's 2%. On price, update cadence, ads and in-app purchases 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

UnitConverter byNSDev ships an update every 5 months, Logitec EXtorage Link every 3 months. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.

Scorecard1 real difference · 7 level
UnitConverter byNSDev versus Logitec EXtorage Link: the parameters behind the verdict, then further details
ParameterUnitConverter byNSDevLogitec EXtorage Link
PriceFreeFree
Positive reviews20.0% of reviews — better2.0% of reviews
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.2 — better
Further details — not scored
Size4 MB8 MB
Age rating4+4+
DeveloperNIHON SYSTEM DEVELOPER CORPORATIONLOGITEC INA SOLUTIONS CO.,LTD.

Customer experience

UnitConverter byNSDev

Written reviews20 reviews
Positive20.0%
Neutral35.0%
Negative45.0%

Logitec EXtorage Link

Written reviews50 reviews
Positive2.0%
Neutral8.0%
Negative90.0%

In-app purchases

None

UnitConverter byNSDev

No in-app purchases

None

Logitec EXtorage Link

No in-app purchases

Questions

Is UnitConverter byNSDev free?
UnitConverter byNSDev is free to download, with no in-app purchases.
Is Logitec EXtorage Link free?
Logitec EXtorage Link is free to download, with no in-app purchases.
Do UnitConverter byNSDev or Logitec EXtorage Link have ads?
Neither UnitConverter byNSDev nor Logitec EXtorage Link shows ads.
Which is updated more often, UnitConverter byNSDev or Logitec EXtorage Link?
UnitConverter byNSDev ships an update every 5 months, and Logitec EXtorage Link every 3 months. Most recently, UnitConverter byNSDev was updated on November 2, 2026 and Logitec EXtorage Link on November 13, 2026.

Other comparisons