Comparison

SparkPDF vs Cache

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

Head to head
About

SparkPDF

Easily scan, sign, and fill PDF documents directly from your phone. This app offers a streamlined way to manage everyday document tasks, including merging files, organizing pages, and converting images to PDF. Enjoy a simple, clean, and fast mobile PDF workflow.

Highlights
  • Scan documents to PDF
  • Add signatures and stamps
  • Fill out forms
  • Manage pages (reorder, delete)
  • Merge PDFs
  • Convert images to PDF
  • Organize files
Read full description

SparkPDF turns your phone into a document scanner, PDF filler and signing tool. Scan paper into clean PDFs, fill them in, sign them and share them — no subscription required. The core PDF tools are free. Some export, save, share and print actions may include a short ad, or you can remove ads permanently with a one-time purchase. With SparkPDF, you can: • Scan documents into clear, sharp PDFs • Fill in PDFs by adding text and dates • Sign by drawing, typing, importing — or by scanning your real signature • Scan a real stamp and place it on any page • Merge several PDFs into one, or split one into separate files • Turn photos and images into PDFs • Add, reorder and delete pages • Search inside text-based PDFs to find the right page • Organize your files into folders • Open PDFs straight from Files and other apps • Read in fullscreen, with the whole screen for your page • Export, share and print finished documents SparkPDF adds what a document needs on top of the page — your signature, text, dates and stamps — so everyday paperwork gets finished on your phone rather than at a desk. Your documents stay with you. SparkPDF processes files directly on your device wherever possible, so personal, school and work paperwork stays under your control. Download SparkPDF and get your paperwork done. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Cache

This app offers a private and secure way to manage your notes and tasks using Markdown and Git for synchronization. It prioritizes user control, speed, and offline access, ensuring your data is always yours and accessible.

Highlights
  • Private notes and tasks
  • Markdown format
  • Git synchronization
  • Version control
  • Offline access
  • Instant search
  • Task tracking
Features
Read full description

For users who value complete control over their knowledge. Powerful personal knowledge management with no vendor lock-in, no privacy compromises—just fast, portable notes synced through git. --- **Highlights & Features** ## Your Notes, Your Data You are in total control of your notes and privacy. Your notes never touch our servers - everything stays on your devices, synced through your own git server. Complete privacy. No tracking. No exceptions. ## Beautiful Markdown Your notes are stored, viewed and edited as clean portable markdown. No proprietary formats, no lock-in. Your knowledge remains accessible forever in files you own, readable in any text editor. ## Git Sync Cache is a Git client - use GitHub, GitLab, Gitea, your own server, or any Git service. Version control built-in means you never lose your work and you control who has access. ## Every Task, Tracked Every checkbox across every note, individually tracked with due dates and priorities. Cache surfaces what's overdue, due today, or coming soon — so nothing slips through the cracks. ## Lightning Fast Built around speed to get ideas out of your head quickly. Fluid touch gestures or comprehensive keyboard shortcuts, minimal interface, instant search - nothing slows you down on any device. ## Instant Search Find anything instantly across your entire knowledge base. Line-level results show context immediately and feel magical. No waiting, no indexing delays, no network requests, just results. ## First-Class Journaling Date-based notes with first-class support for effortless journaling. Browse, search, and edit your daily entries seamlessly. Journals and reference notes coexist with fully configurable categories. ## Modal Editing (Alpha) Optionally use powerful modal editing with Vim and Helix motions. For power users who want maximum efficiency, or stick with simple mode for traditional editing. ## Offline First Carry your notes with you. Your devices always have your full notes repository. Work anywhere, anytime, without depending on internet connectivity. ## Seamless on iPhone & Mac Optimized for iPhone with a minimal interface that feels right at home. Your notes sync across all your Apple devices through Git. ## Opinionated Minimalism Every feature serves one purpose: managing your markdown notes faster and better. No plugins means no bloat, no distractions, no performance compromises. Just powerful note-taking, nothing more. --- Terms of service: https://www.cachenotes.app/docs/terms-of-service/ Privacy policy: https://www.cachenotes.app/docs/privacy-policy/

Screenshots

SparkPDF4 screens
Cache4 screens

Verdict

The call

The clearest difference is review sentiment: SparkPDF at 50% against Cache's 0%. SparkPDF also leads on rating (5.0 vs 3.0) and update cadence (every 10 days vs every 3 weeks). Cache's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, in-app purchases and device support 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.

ReceptionRating · Positive reviews · Number of ratings

SparkPDF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of SparkPDF's written reviews are positive against 0% of Cache's.

UpkeepUpdate frequency

SparkPDF ships an update every 10 days, Cache every 3 weeks. Both last shipped on October 7, 2026.

Scorecard6 real differences · 4 level
SparkPDF versus Cache: the parameters behind the verdict, then further details
ParameterSparkPDFCache
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (1 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS13.0 — better16.0
Further details — not scored
Size111 MB39 MB
Age rating4+4+
DeveloperMoetez TheiriRocketware Limited

Customer experience

SparkPDF

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Cache

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

SparkPDF

No in-app purchases

None

Cache

No in-app purchases

Questions

Is SparkPDF free?
SparkPDF is free to download, with no in-app purchases.
Is Cache free?
Cache is free to download, with no in-app purchases.
Which has better reviews, SparkPDF or Cache?
SparkPDF is rated higher. SparkPDF averages 5.0 out of 5 from 2 ratings, while Cache averages 3.0 from 1 ratings.
Do SparkPDF or Cache have ads?
SparkPDF shows ads; Cache does not.
Which is updated more often, SparkPDF or Cache?
SparkPDF ships an update every 10 days, and Cache every 3 weeks. Most recently, SparkPDF was updated on October 7, 2026 and Cache on October 7, 2026.

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