PDF Reader vs Serviin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.
- Liquid Mode for optimized mobile reading
- Annotation tools (pencil, text, highlighting)
- Handwritten signature insertion
- File management (move, merge, copy, delete)
- Cloud service integration (Wondershare, iCloud)
- Create blank PDFs and folders
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PDFelement - PDF Reader is a PDF reader using the latest technology. The newly connected Liquid Mode function allows you to enjoy the best reading experience. In addition, there are various annotation tools, file management, signature, Various functions such as cloud services can meet your PDF needs in work and study. PDF VIEWER • Liquid Mode gives you the best PDF reading experience • Star files to find them quickly • Easily locate recently accessed files in the "Recent" list. • Enter the page number to navigate to the desired page for viewing LIQUID MODE • Get the best PDF Reading experience with Liquid Mode • PDF document fully fits the mobile phone screen, no need to zoom in and out repeatedly. • Easily adjust brightness, font size,style, and spacing. ANNOTATE • Using Pencil to annotate like writing on the paper • Add text annotations, freely modify the text and background, border colors, choose the appropriate font and font size. • Supports many annotating tools like highlighting, underlining, squiggly lines, or strikethroughs. MANAGE • Move, merge, copy or delete files SIGNATURE • Enables handwritten signatures to be inserted anywhere within the document, while also offering the ability to zoom in and out for greater flexibility. • Built-in commonly used stamps CREATE • Quickly create completely blank PDF documents • Creat blank folders. SHARE • Sharing document content with others is just a click away with capture feature. • Select sentence(s) or pragraph(s) to share CLOUD SERVICE • PDF Reader supports uploading or downloading docs via computer, Wondershare document cloud and iCloud. Please note that this app only supports editing native PDF files. It does not support editing scanned or raster PDF. If you find you cannot edit text in PDF, please check if it is scanned PDF. Thank you! ---------------------------------------------------------------------------------------- Need HELP? Please contact us! We'll feedback to you ASAP. Email: pdfelement@wondershare.com Support Center： http://support.wondershare.com Forum： http://forum.pdf.wondershare.com Official Website： https://pdf.wondershare.com If you think this App helps you, your positive review in the App Store would be much appreciated.
Serviin
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A app Serviin ajuda as pessoas surdas ou com dificuldades de audição a comunicar com a sociedade ouvinte através de um serviço online de interpretação em LGP. A App Serviin faz a ponte entre a pessoa surda e o ouvinte, permitindo comunicar em LGP com os parceiros assim como chamar um táxi, as autoridades ou comunicar com o seu empregador, entre outros. A necessidade da presença física de um intérprete é substituída pelo acesso online a um intérprete LGP através de uma videochamada. Principais funções e características: - Interpretação online profissional em Língua Gestual Portuguesa por intérpretes profissionais através de vídeo-chamada. - Acesso a um intérprete sem a necessidade de reservar ou marcação. - Possibilidade de ligação ao call center dos nossos parceiros sem barreiras através de intérprete em LGP. - Possibilidade de comunicar em LGP com familiares e amigos ouvintes a partir do smartphone. - Lista de parceiros, serviços e contactos na App. A aplicação Serviin requer uma ligação à Internet.
Screenshots
Verdict
PDF Reader and Serviin 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and September 11, 2026 respectively.
| Parameter | PDF Reader | Serviin |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3.9K ratings) — better | — |
| Positive reviews | 76.7% of reviews | — |
| Number of ratings | 3.9K — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 173 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Wondershare Technology (Hunan) Co.,Ltd. | Tiche spojeni, s.r.o. |
Bugs and requests
PDF Reader
Reported bugs
4 issues- Text boxes appearing randomly
- Inability to select/edit text in some PDFs
- Scrolling issues and page loading delays
- Incompatibility with certain PDF formats
Requested features
5 requests- Ability to edit text formatting (font, size, color)
- Support for multiple open documents
- Improved Apple Pencil integration
- Bookmark/favorite feature for frequently used PDFs
- Expanded cloud storage integration (OneDrive, Google Drive, etc.)
Serviin
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader
No in-app purchases
Serviin
No in-app purchases
