Comparison

Zotero vs loadsol

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

Head to head
About

Zotero

This research tool helps you collect, organize, annotate, cite, and share your academic and professional work. Save articles, books, and webpages, add notes and highlights, and generate bibliographies in thousands of styles. Collaborate with others and sync your library across devices.

Highlights
  • Collect research from various sources
  • Organize with collections and tags
  • Annotate PDFs and webpages
  • Generate citations and bibliographies
  • Collaborate in group libraries
  • Sync across devices
Features
Read full description

Zotero is a free, easy-to-use research tool that helps you collect, organize, annotate, cite, and share your work. COLLECT • Save journal articles, newspaper articles, books, webpages, and more via the Share button in Safari and other apps • Automatically download article PDFs to read • Quickly add physical books and articles to your Zotero library by scanning book barcodes or article DOIs with your iPhone or iPad camera ORGANIZE • Use collections and tags to organize your research • View and edit bibliographic information for your research items ANNOTATE • Read PDFs, EPUBs, and webpage snapshots and add highlights and notes, or use an Apple Pencil to make freehand annotations CITE • Instantly generate citations and bibliographies in over 10,000 formats and journal styles including APA, Chicago, IEEE, MLA, Turabian, and Vancouver SHARE • Collaboratively collect sources and mark up PDFs in group libraries with your colleagues • Synchronize your personal and group research libraries to access them via Zotero’s desktop app and the Zotero website • Use the Zotero desktop app to insert your annotations into Word, LibreOffice, and Google Docs documents and automatically generate bibliographies from the sources you used Visit zotero.org to learn more about everything you can do with Zotero. Having trouble? Have an idea? Post bug reports and feature requests to the Zotero Forums at forums.zotero.org to talk directly to Zotero developers. ZOTERO AND PRIVACY Since 2006, the Zotero team has been committed to creating the best research software, and we believe that includes putting you in full control of your own work. We’re an independent, nonprofit organization, and we’ll never sell your data.

About

loadsol

Features
Read full description

loadsol® monitors the load between soft and hard surfaces. • Analyses the plantar force in static and dynamic • Displays bipedal force in time curves • Shows current load of left and right foot in bar diagrams • Counts steps, calculates average contact time and peak force • Determines average loading rate and cadence • Displays loading rate per step during walking or running • Gives feedback if loading rate is within a certain range • Computes force-time-integrals and factor of imbalance • Sound and vibration feedback given for two force levels • Time stamp allows temporal allocation of events in videos • Displays acceleration data synchronous to force data • Data can be exported in ASCII format • Usable on iPhone, iPad or iPod touch with Bluetooth LE® • Requires iOS Version 10 to 13

Screenshots

Zotero2 screens
loadsol4 screens

Verdict

The call

The clearest difference is iOS requirement: loadsol at 10.0 against Zotero's 16.6. 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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 9 level
Zotero versus loadsol: the parameters behind the verdict, then further details
ParameterZoteroloadsol
PriceFreeFree
Rating4.6 (435 ratings) — better—
Positive reviews77.9% of reviews—
Number of ratings435 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.610.0 — better
Further details — not scored
Size237 MB242 MB
Age rating4+4+
DeveloperZoteronovel GmbH Elektrische Spezialgeräte

Bugs and requests

Zotero

Reported bugs

4 issues
  • Unable to unzip PDF snapshots
  • Annotations disappearing or moving unexpectedly
  • Dark mode not working as expected
  • Inability to add citations directly from the app

Requested features

6 requests
  • Eraser tool for annotations
  • More color options for pen and highlighter
  • Ability to open PDFs in external apps
  • Bookmarking and table of contents support
  • Improved search functionality
Show 1 more
  • Offline access to downloaded PDFs

loadsol

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Zotero

No in-app purchases

None

loadsol

No in-app purchases

Questions

Is Zotero free?
Zotero is free to download, with no in-app purchases.
Is loadsol free?
loadsol is free to download, with no in-app purchases.
Do Zotero or loadsol have ads?
Neither Zotero nor loadsol shows ads.
Which is updated more often, Zotero or loadsol?
Zotero ships an update every 3 weeks, and loadsol every 3 weeks. Most recently, Zotero was updated on October 25, 2026 and loadsol on October 12, 2026.

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