Hydraulic Engineer vs FSharing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hydraulic Engineer
This comprehensive calculator app offers over 1,000 hydraulic engineering formulas across 13 categories. It includes temperature conversions, reference tables, and the ability to save and share calculations. Works offline and supports both US Customary and SI Metric units.
- Over 1,000 hydraulic formulas
- 13 specialized calculator categories
- Temperature scale converters
- Professional reference tables
- Save and share calculations
- Works offline
- US Customary and SI Metric units
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HYDRAULIC ENGINEER is the most comprehensive hydraulic engineering calculator available on the App Store, featuring over 1,000 formulas across 13 specialized calculator categories, 8 temperature scale converters, and 8 professional reference tables. CALCULATOR CATEGORIES - Actuator Formulas — cylinder force, stroke, speed, and rod calculations - Fluid Power — pressure, flow, horsepower, and torque calculations - Pump Laws — affinity laws for speed, flow, pressure, and power - Vehicle Drive — drive speed, tractive effort, gradeability, and drawbar pull - Hydraulic Tubing — wall thickness, burst pressure, and working pressure - Cylinder Calculations — extend/retract speed, rod end area, and cycle times - Thermal Hydraulics — heat generation, reservoir cooling, heat exchangers, and energy to heat fluid - Oil Velocity & Pressure Loss — pipe velocity, pressure drop per foot, and total system losses - Pipe Flow — Reynolds number, Darcy-Weisbach head loss, laminar friction, and orifice flow - Accumulator Sizing — discharge volume, precharge pressure, adiabatic and isothermal gas volumes - Reservoir Sizing — open/closed circuit sizing, cylinder-based sizing, and oil weight calculations - AC/DC Electrical — Ohm's law, power, resistance, inductance, and motor selection - Area Formulas — 60 geometric area calculations for every common shape 700+ CONVERSION FORMULAS Pressure, horsepower, BTU, flow rates, linear measure, square measure, cubic measure, liquid measure, weights, watts, power, HVAC, metric, sand-to-volume, and fraction conversions. 8 TEMPERATURE SCALES Convert between Celsius, Fahrenheit, Kelvin, Rankine, Reaumur, Newton, Delisle, and Romer — 56 conversion formulas covering every combination. 8 PROFESSIONAL REFERENCE TABLES - Pipe Schedule (Schedule 40 & 80) - ISO Viscosity Grades - Recommended Flow Velocities - Hydraulic Hose Sizing (SAE) - JIC Thread Sizes - Pipe Roughness Values - O-Ring Sizes (AS568) - Wire Rope Working Load Limits KEY FEATURES - Save and share any calculation result - Share reference tables - Calculation history - Favorites for quick access to your most-used formulas - Switch between US Customary and SI Metric units - Dual-unit display shows both US and metric values simultaneously - Dark mode optimized interface - Works offline — no internet connection required PREMIUM UPGRADE Unlock sharing, advanced calculator sections, and unlimited history with a one-time lifetime purchase — no subscriptions. HYDRAULIC ENGINEER is designed for working hydraulic engineers, technicians, maintenance professionals, and engineering students. If there are formulas or reference tables you'd like to see added, just use the built-in feedback feature to let us know.
FSharing
This app is a versatile file manager for iOS that allows seamless file transfers between your device and PC/laptops without cables. It also integrates cloud storage and remote servers, offering robust file organization and playback capabilities.
- Wireless file transfer to PC/laptops
- SMB/CIFS protocol support
- Cloud storage integration (Dropbox, Google Drive, etc.)
- Remote server access (FTP, SFTP, WebDAV)
- Built-in music and video player
- ZIP file creation and extraction
- File sharing via Wi-Fi/hotspot
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FSharing is a unique and exclusive file manager for iOS devices, It's the first app on the App Store to give you flexibilities to transfer files from iOS devices to PC, laptops and vice versa easily. It overcomes the complexities when you want to transfer files with iOS devices, It achieves this flexibility by employing the popular file transfer protocol SMB/CIFS that's is available in most popular operating systems. FSharing changes the way users normally use to transfer files with iOS devices, it removes USB cable completely, with this app installed on devices you don't need to use USB cable any more. FSharing turns your iOS devices into a Wi-Fi shared drive, make it visible and accessible from your local network. Other devices can discover and access it, transfer files is extremely fast. FSharing is a powerful file manager, a unified UI help you easily manage your files offline (on device) or online (cloud or remote drives), manage files in the same way when you access your local files, cloud drives (Dropbox, Google Drive, Microsoft OneDrive, Box) or remote drives (Windows SMB, FTP, SFTP, WebDAV). FSharing has a powerful music player and video player, they can play any music or video formats and supports streaming on any cloud servers. FSharing comes with add-ons, they provide more advanced functionalities. Each add-ons has a different role but they are deeply integrated with the app and they make FSharing more powerful. Let’s explore FSharing main features. FILE SHARING • Share files instantly with other devices via Wi-Fi or in the same hotspot • It doesn't require any third party apps installed on PC or laptops to transfer files • Share Photo Library • Share iPod Library • Share with Readonly mode that don't allow users to change files in your device • Share with Login Account that don't allow anonymous users to access your device • Sharing works in background • Automatically detect shared drives in local network ACCESS CLOUD SERVICES AND REMOTE SERVERS • Access popular remote servers FTP, SFTP, WebDAV and Windows SMB • Access popular cloud services Dropbox, Google Drive, Microsoft OneDrive, Box • Open files directly from cloud or remote servers without downloading them • Copy or move files or folders between cloud or remote servers directly • Show file thumbnails • Search for files and folders FILE MANAGER • Copy/Move/Rename/Delete files • Create ZIP files • Create and organize folders • Send emails with attachments • Export files to other apps • Copy or move files or folders to cloud services and remote servers (FTP, SFTP, WebDAV, Windows SMB) • Unzip many formats ZIP, 7Z, A, CPIO, TAR, ISO, XAR, SHAR, USTAR, RAR, CAB, JAR, RPM, GZ, BZ2, Z, XZ • Show file thumbnails • Search for files and folders • View in Grid or List modes • Sorting and Filtering MUSIC PLAYER • Play around 60 audio formats AAC, AIFF, AIF, AIFC, AU, FLAC, M4A, MP2, MP3, OGA, OGG, OPUS, TTA, WAV, WMA, WV, CAF, ADX, AC3, AMR, MMF, etc. • Play music in a playlist • Play music directly on clouds or remote servers • Play music in background • Play with shuttle and no shuttle modes VIDEO PLAYER • Play around 65 video formats MKV, FLV, VOB, OGV, GIF, AVI, MTS, M2TS, MOV, WMV, ASF, MP4, MPG, MPEG, M2V, MXF, SWF, WEBM, 3GP, 3G2, TS, etc. • Play streaming videos on cloud servers • Play back and next videos IMAGE VIEWER • View around 70 image formats AAI, ART, AVS, BMP, CIN, CUR, DDS, DCX, DIB, DPX, FAX, FITS, FTS, G3, etc. • View images directly on clouds or remote servers DOCUMENT VIEWER • View PDF files • View Office documents • View text files • View other iOS compatible files WEB BROWSER AND DOWNLOADER • Surf web easily • Download files on the Internet • Save pages to PDF, WebArchive or HTML • Bookmark favorites sites • Download files in background
Screenshots
Verdict
The clearest difference is review sentiment: FSharing at 76% against Hydraulic Engineer's 25%. FSharing also leads on price (Free vs $4.99) and update cadence (weekly vs every 6 months). On ads, 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
FSharing is free to download; Hydraulic Engineer costs $4.99 up front. Hydraulic Engineer sells 1 one-off in-app purchase and FSharing sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
FSharing holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: FSharing has 888 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of Hydraulic Engineer's written reviews are positive against 76% of FSharing's.
Hydraulic Engineer ships an update every 6 months, FSharing weekly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | Hydraulic Engineer | FSharing |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.0 (1 ratings) | 4.4 (888 ratings) — better |
| Positive reviews | 25.0% of reviews | 76.0% of reviews — better |
| Number of ratings | 1 | 888 — better |
| Update frequency | Every 6 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 10 — better |
| Further details — not scored | ||
| Size | 19 MB | 119 MB |
| Age rating | 4+ | 17+ |
| Developer | Historycentral.com | Ngan Tran |
Customer experience
Hydraulic Engineer
FSharing
Bugs and requests
Hydraulic Engineer
Not enough reviews yet to summarise bugs or requests.
FSharing
Reported bugs
3 issues- Server stops unexpectedly
- Purchased features not working as expected
- Inconsistent behavior when transferring files
Requested features
4 requests- Add support for more file formats
- Improve playlist management for music
- Integrate with cloud storage services
- Enhance file explorer functionality
In-app purchases
Hydraulic Engineer
- Hydraulic Pro$3.99
FSharing
- Video DownloaderFree
- Photo Duplicate Cleaner$2.99
- Image Optimizer$2.99
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- Image Converter$2.99
- Media Converter$4.99
- PRO Version$9.99
Questions
Is Hydraulic Engineer free?
Is FSharing free?
Which has better reviews, Hydraulic Engineer or FSharing?
Do Hydraulic Engineer or FSharing have ads?
Which is updated more often, Hydraulic Engineer or FSharing?
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