Comparison

Serval vs PDF Studio Forge

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

Head to head
About

Serval

This app provides a native iOS client for accessing and interacting with open-source Large Language Models (LLMs) hosted on your own Ollama server. It offers a private, local-first experience with advanced features like chain-of-thought prompting and image recognition.

Highlights
  • Native iOS companion for Ollama
  • Access open-source LLMs on the go
  • Sync conversations and settings across Apple devices
  • Chain-of-thought prompting
  • Integrated image recognition
  • LaTeX rendering for equations
  • Local-first, privacy-focused
Features
Read full description

Servals: Your Pocket AI Powerhouse Unlock the full potential of cutting-edge open-source Large Language Models (LLMs) anytime, anywhere with ChatOllama, your native iOS companion for Ollama. Ollama in Your Pocket: Access state-of-the-art open-source LLMs on the go. Enjoy a seamless experience, syncing your conversations and settings across all your Apple devices. Powerful & Elegant Client: Experience Ollama like never before. Our beautifully designed client offers a refined interface with advanced features, including support for chain-of-thought prompting, integrated image recognition, and crystal-clear LaTeX rendering for complex equations and formulas. Local First, Privacy First: Your conversations and data remain securely on your device, communicating directly with your self-hosted Ollama server. No cloud servers, no tracking, ever. Your privacy is paramount. Free & Unlimited: Engage in limitless conversations and explore the vast capabilities of open-source AI without restrictions. As long as your Ollama server is running, your access is boundless. Download Servals today and carry the power of open-source AI in your pocket!

About

PDF Studio Forge

Features
Read full description

PDF Studio Forge is the ultimate offline PDF toolkit for iPhone and iPad. Convert, edit, organize, and secure your PDF files — all without uploading anything to the cloud. No uploads. No cloud. Your files stay on your device. FEATURES: Convert to PDF • Text to PDF — type or paste text, convert instantly • Image to PDF — JPG, PNG, HEIC, WEBP supported • TXT to PDF — convert plain text files • Markdown to PDF — render and export .md files Edit & Organize • Merge PDFs — combine multiple PDFs into one • Split PDF — split by page range or individual pages • Compress PDF — reduce file size without losing quality • Reorder Pages — drag and drop to rearrange • Rotate Pages — rotate any page 90°, 180°, or 270° Smart Tools • PDF Scanner — scan documents with your camera • OCR — extract text from images and PDFs using Apple Vision • PDF Reader — built-in reader with zoom, search, bookmarks • PDF Annotation — highlight, underline, draw, and add notes • PDF Signature — draw and save your signature • Form Filling — fill and save PDF forms Security • Password Protection — encrypt PDFs with a password • Watermark — add text or image watermarks Privacy First • 100% offline — no internet required • No account needed • No data collection • No file uploads ever Premium Features Unlock everything with PDF Studio Forge Premium: • Unlimited operations • All smart tools • Native iPad layout Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://selahattinbzt.github.io/privacy-policy-/

Screenshots

Serval4 screens
PDF Studio Forge4 screens

Verdict

The call

Serval and PDF Studio Forge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Serval ships an update every 8 days, PDF Studio Forge weekly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

ScorecardNo meaningful differences
Serval versus PDF Studio Forge: the parameters behind the verdict, then further details
ParameterServalPDF Studio Forge
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 8 daysWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size32 MB28 MB
Age rating17+4+
Developer骙 林Selahattin Bozat

In-app purchases

None

Serval

No in-app purchases

None

PDF Studio Forge

No in-app purchases

Questions

Is Serval free?
Serval is free to download, with no in-app purchases.
Is PDF Studio Forge free?
PDF Studio Forge is free to download, with no in-app purchases.
Do Serval or PDF Studio Forge have ads?
Neither Serval nor PDF Studio Forge shows ads.
Which is updated more often, Serval or PDF Studio Forge?
Serval ships an update every 8 days, and PDF Studio Forge weekly. Most recently, Serval was updated on October 15, 2026 and PDF Studio Forge on October 16, 2026.

Other comparisons