Comparison

e Sign vs ScholarPlot

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

Head to head
About

e Sign

Features
Read full description

E Sign documents anywhere PDF Signer is a fast, simple, and secure way to sign documents, add an e sign, and create legally valid pdf signatures directly on your iPhone or iPad. Whether you need to sign PDF contracts, agreements, forms, or invoices, PDF Signer gives you everything you need in one powerful signing app — no printing, no scanning, no hassle. --- Sign PDFs with ease * Sign PDF files using your finger or Apple Pencil * Create a reusable electronic signature * Add handwritten or drawn signatures in seconds * Place signatures exactly where you want --- Professional document signing * Sign documents on the go * Perfect for contracts, legal forms, business paperwork, and approvals * Reliable pdf signer for personal and professional use * Clean, professional pdf signature output --- Secure and private * Your files stay on your device * No forced uploads, no unnecessary data sharing * Built for privacy and security --- Designed for speed * Open any PDF and sign pdf files instantly * Intuitive interface with no learning curve * Lightweight, fast, and efficient signing app --- One app. Full control. PDF Signer is the easiest way to handle e sign workflows and electronic signature needs directly from your phone or tablet. If you need to sign documents, approve PDFs, or add a quick pdf sign, PDF Signer is built for you. Download PDF Signer today and take control of your documents — anytime, anywhere. Premium access is available through auto-renewable subscriptions: ● Yearly – $12.99 ● Weekly – $2.99 (includes 3-day free trial) Subscriptions are charged to your Apple ID and can be managed or canceled in your App Store settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://apps.wizarddynamics.com/privacy

About

ScholarPlot

Generate publication-quality scientific figures, charts, and diagrams on your mobile device. Describe your data or concept in text, and AI will create visualizations, with options for mechanism diagrams, graphical abstracts, and batch generation for multiple figures. Seamless cloud sync allows for on-the-go drafting and desktop refinement.

Highlights
  • AI-generated scientific figures and charts
  • Mechanism and pathway diagram creation
  • Graphical abstract generation
  • Text-to-figure with over 50 chart types
  • Batch generation for multiple figures
  • Cloud sync for cross-device workflows
  • Export in PNG, JPG, and WebP formats
Features
Read full description

ScholarPlot — AI Scientific Figures & Research Materials, Now in Your Pocket. Between lab meetings, literature reviews, and late-night revision rounds, you shouldn't need a desktop to fix Figure ScholarPlot on iPhone and iPad brings the full power of AI scientific visualization wherever you are — generate, iterate, and export publication-quality charts, mechanism diagrams, and academic materials on the go. --- WHY SCHOLARPLOT ON iOS --- • SAME POWERFUL AI AS MAC — Full figure generation engine optimized for touch & mobile workflows. Not a stripped-down companion app. • DRAFT ON THE TRAIN, POLISH ON YOUR MAC — Seamless cloud sync means you can sketch ideas on iPhone and refine on desktop. • NO DESIGN DEGREE REQUIRED — Describe it in English or Chinese → AI generates it → export and submit. That simple. • CREDITS NEVER EXPIRE — No monthly subscription pressure. Buy credits when you need them, use them whenever. --- GENERATE ANY SCIENTIFIC FIGURE IN MINUTES --- • Text-to-Figure — Bar charts, line plots, scatter, heatmaps, forest plots, volcano plots, survival curves, box/violin plots, PCA, and 50+ more chart types. • Mechanism & Pathway Diagrams — Complex biological pathways, chemical schemes, neural circuits — all from a text prompt. • Graphical Abstracts — Create eye-catching TOC graphics and visual abstracts that make your paper stand out. • Smart Templates + Auto Chart Selection — Describe your data, AI picks the best visualization. • Region Iteration — Tap a region, describe the change, regenerate just that part. No starting over. • Version History — Compare drafts side-by-side before choosing the one for submission. • Prompt Optimizer + Google Search Grounding — Better prompts, more accurate figures. • Export PNG / JPG / WebP — Journal-ready resolution for manuscripts, slides, and posters. --- BATCH ACADEMIC MATERIALS --- • Multi-Prompt Generation — Create Figure 1 through Figure 6 in one batch run. • Global Style Lock — Every panel matches. No inconsistency headaches. • Reference Images — Upload a style reference, generate a consistent series. • Custom Resolutions — From thumbnails to 4K poster panels. --- FOR EVERY STAGE OF RESEARCH --- Thesis chapters · Grant Specific Aims · Conference posters · Group meeting slides · Preprint figures · Revision rounds · Graphical abstracts · Supplementary figures · Cover art proposals ScholarPlot keeps pace with your research — whether you're at your desk or on the subway. --- BETTER THAN THE ALTERNATIVES --- More specialized than Canva. More flexible than BioRender. More accessible than Prism or Origin. More scientific than Midjourney. ScholarPlot is the only AI tool built specifically for researchers who publish. Join thousands of researchers who stopped rebuilding figures from scratch. Download ScholarPlot — your next breakthrough deserves a figure that looks like one. TERMS & PRIVACY EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://figure.thirdme.com/terms Privacy Policy: https://figure.thirdme.com/privacy

Screenshots

e Sign4 screens
ScholarPlot4 screens

Verdict

The call

e Sign and ScholarPlot are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. e Sign sells 2 in-app purchases, starting at $2.99 per 7 days and ScholarPlot sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
e Sign versus ScholarPlot: the parameters behind the verdict, then further details
Parametere SignScholarPlot
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily—
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.013.0
Further details — not scored
Size30 MB47 MB
Age rating4+4+
DeveloperManuel Worlitzer培 周

In-app purchases

2 purchases

e Sign

Subscriptions2
  • PDF Signer Premium3 Days trial$2.997 Days
  • PDF Signer Premium$12.991 Year
4 purchases

ScholarPlot

One-time4
  • 10 Credits Pack$6.99
  • 100 Credits Pack$41.99
  • 300 Credits Pack$104.99
Show 1 more
  • 500 Credits Pack$139.99

Questions

Is e Sign free?
e Sign is free to download, with in-app purchases available.
Is ScholarPlot free?
ScholarPlot is free to download, with in-app purchases available.
Do e Sign or ScholarPlot have ads?
Neither e Sign nor ScholarPlot shows ads.

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