Comparison

USB Stick with Viewers vs BareBolus

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

Head to head
About

USB Stick with Viewers

Transform your iOS device into a portable storage solution. Easily transfer files to and from your computer via iTunes, and access your Dropbox files offline. Annotate documents, sign faxes, and organize your files with optional local storage folders.

Highlights
  • File transfer via iTunes
  • Dropbox file caching and offline viewing
  • Document annotation and signing
  • Local folder organization
  • Support for various document types
  • PDF and FAX pre-rendering
  • Print, email, and PDF creation
Features
Read full description

Your iOS device IS a USB Stick. Our USB Stick app lets you copy data to/from your desktop computer via iTunes, and lets you download and cache items from your DropBox Account. Now with annotation capability, you can write on or sign your faxes. Add notes, make corrections or complete a contract with your actual signature. For dropbox we can passively cache your files so you can download and view them later without network connectivity! Optional support for local storage Folders to help organize your files. Using Apple's preview technology we can display many document types, or you can expand USB Stick's capabilities by adding extra features via in-app purchases, tap the "In-App Purchase Items" option from the main screen. Most notable is the ability to add accelerated PDF or FAX file pre-rendering so USB Stick can manage both your Fax files and your PDF documents, or add the ability to read and display many different file types, or work with wall size Maps. In-app purchases enable all the functionality you need. Lastly we have the ability to print, email, or create a PDF from most image file types, when you purchase our accelerated readers.

About

BareBolus

Features
Read full description

This calculator displays a list of any blood sugar values to the left - and the corresponding insulin to the right. Drag the blue apple to set your carb estimate. Easily edit your favourite personal factors in the settings and choose between them from the main screen. It is a simple and convenient tool without hidden mathematics or advanced algorithms. Once you know your blood sugar, you can look up your insulin with a glance at the screen. Designed by the father of a diabetic who refused to wear a pump. It turns out to be very useful for all people with diabetes. Seek a doctor's advice in addition to using this app and before making any medical decisions.

Screenshots

USB Stick with Viewers4 screens
BareBolus4 screens

Verdict

The call

The clearest difference is price: BareBolus at Free against USB Stick with Viewers's $1.99. BareBolus also leads on in-app purchases (none vs 9). On update cadence, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

BareBolus is free to download; USB Stick with Viewers costs $1.99 up front. USB Stick with Viewers sells 9 one-off in-app purchases. BareBolus asks for nothing beyond the download.

UpkeepUpdate frequency

USB Stick with Viewers ships an update every 6 weeks, BareBolus every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard2 real differences ยท 6 level
USB Stick with Viewers versus BareBolus: the parameters behind the verdict, then further details
ParameterUSB Stick with ViewersBareBolus
Price$1.99Free โ€” better
Positive reviews33.3% of reviewsโ€”
Update frequencyEvery 6 weeks โ€” betterEvery 2 months
AdsNoNo
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS14.0 โ€” better15.6
Further details โ€” not scored
Size33 MB11 MB
Age rating4+4+
DeveloperCorporate Smalltalk Consulting LtdDiaBolus AS

In-app purchases

9 purchases

USB Stick with Viewers

One-time9
  • No iAds$0.99
  • Folders$0.99
  • Accelerated PDF viewing$1.99
Show 6 more
  • Extra Image Types$2.99
  • Large Format Pages$3.99
  • Enable Signature and Annotation$3.99
  • Enable Cloud Server$4.99
  • Read Fax files$5.99
  • Everything$9.99
None

BareBolus

No in-app purchases

Questions

Is USB Stick with Viewers free?
USB Stick with Viewers costs $1.99, and also offers in-app purchases.
Is BareBolus free?
BareBolus is free to download, with no in-app purchases.
Do USB Stick with Viewers or BareBolus have ads?
Neither USB Stick with Viewers nor BareBolus shows ads.
Which is updated more often, USB Stick with Viewers or BareBolus?
USB Stick with Viewers ships an update every 6 weeks, and BareBolus every 2 months. Most recently, USB Stick with Viewers was updated on November 1, 2026 and BareBolus on November 3, 2026.

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