Comparison

iHP48 vs TaguchiLab

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

Head to head
About

iHP48

This app brings the powerful HP48 calculator experience to your mobile device. It offers enhanced performance, seamless file management, and a customizable interface with support for various HP calculator models. Enjoy a familiar and convenient calculator solution without needing extra hardware.

Highlights
  • Supports HP38, HP39, HP48, HP49, HP50 calculators
  • Haptic feedback and customizable zoom options
  • Seamless file transfer via iTunes and Files app
  • Cloud storage integration (iCloud, OneDrive, Dropbox)
  • Object saving/loading and copy/paste functionality
  • Access to calculator packages, skins, and ROMs
  • Internal file manager and extensible settings
Features
Read full description

Introducing iHP48 - Your Ultimate Calculator Companion iHP48 emerges from the necessity to revive the unparalleled calculator experience cherished by university students and engineers across various disciplines. Reviving the legacy of the original calculator, iHP48 delivers enhanced performance without the burden of carrying an additional device in your bag. Experience the simplicity and convenience of having the powerful HP48 at your fingertips once again. Key Features: Wide Compatibility: iHP48 supports HP38, HP39, HP48, HP49, and HP50 calculators. Easily configure your preferred calculator with the Fetch options. Enhanced User Experience: Enjoy Haptic feedback on keypress and customizable haptic styles via Settings. Zoom options tailored to your iPhone and preferences, including a new lift zoom for XS devices. Seamless File Management: Transfer files effortlessly from your computer using iTunes on both PC's and MacOS. Access iHP48 files directly from your device using the Files app and share them with any compatible iOS app. Copy files to and from your favorite cloud providers supported by the Files app, such as iCloud Drive, OneDrive, and Dropbox. Convenient Object Handling: Save or Load objects to/from your device using Files, ensuring your favorite .lib is readily available on your iHP48 stack. Copy and Paste supported objects seamlessly between iOS and the iHP48 Stack. Comprehensive Library: Access a rich library of Calculator Packages, Skin Collections, ROM's, and useful libraries like Meta Kernel and QPI. Intuitive Interface: Benefit from an internal File Manager for simplified file management and an extensible Settings administration accessible directly from the Settings app or via a shortcut from the iHP48 menu. Customizable Experience: Save your current calculator configuration for easy access. Explore special features embedded in various skins, including screen swipes, sounds, and orientation options. No Hidden Costs: iHP48 is completely free, devoid of any enterprise, professional, plus, or ultimate versions. There are no hidden features or payments required. We greatly appreciate any support you offer as we continue to enhance and refine iHP48. For additional information, visit https://www.thinkchile.com/iHP48. Experience the power of the legendary HP48, reinvented for the modern era with iHP48.

About

TaguchiLab

Features
Read full description

TaguchiLab turns the Taguchi method into a guided, step-by-step workflow so you can plan, run and analyze robust experiments in minutes. PLAN • Define up to 15 factors with 2 or 3 levels each • TaguchiLab picks the right orthogonal array automatically (L4, L8, L9, L16, L18, L27) • Live validation warns you about duplicate levels, empty names and array limits RUN • A clean run matrix shows every trial and its factor settings • Enter one response per run, or add replicates and multiple weighted responses • Choose your goal — Larger-is-better, Smaller-is-better or Nominal-is-best — and S/N ratios update instantly ANALYZE • Main effects table with delta, rank and best level for each factor • Predicted optimal configuration at a glance • Main-effect plots for S/N ratio or raw response • ANOVA with degrees of freedom, sum of squares, F and p values, plus confidence intervals at 90 / 95 / 99 % LEARN • Built-in example designs (ceramic tile, French fries, coffee brewing, 3D printing, injection molding, bread baking) with real data you can explore and modify • In-app help covering Taguchi fundamentals, orthogonal arrays and how to read ANOVA results SHARE • Export the run matrix, level means, factor ranking and optimal setup as CSV to any app DESIGNED FOR IPAD AND IPHONE • Full-width tables and cards on iPad; focused, card-based navigation on iPhone • Dark mode first, with a light theme that keeps the same look TAGUCHILAB PREMIUM (optional annual subscription) • Design Library: save unlimited experiments and sync them across your devices • Keep different versions of a design and pick up where you left off • Analysis and ANOVA unlocked for every design Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Privacy Policy: https://taguchilabios.gonzodev.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iHP484 screens
TaguchiLab4 screens

Verdict

The call

The clearest difference is in-app purchases: iHP48 at none against TaguchiLab's 1. TaguchiLab's advantage is update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement 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. TaguchiLab sells 1 in-app purchase, starting at $29.99 per year. iHP48 asks for nothing beyond the download.

UpkeepUpdate frequency

iHP48 ships an update monthly, TaguchiLab every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
iHP48 versus TaguchiLab: the parameters behind the verdict, then further details
ParameteriHP48TaguchiLab
PriceFreeFree
Rating4.6 (302 ratings) — better—
Positive reviews88.3% of reviews—
Number of ratings302 — better—
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better16.0
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperAlexis LorcaAntonio de Jesus Gonzalez Preciado

Bugs and requests

iHP48

Reported bugs

3 issues
  • Crashes on startup
  • Inability to save state across sessions
  • Incompatibility with certain iOS devices

Requested features

4 requests
  • Dark mode option
  • Ability to disable haptic feedback
  • Support for HP50G emulation
  • Improved keyboard mapping and arrow key functionality

TaguchiLab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iHP48

No in-app purchases

1 purchases

TaguchiLab

Subscriptions1
  • TaguchiLab Premium7 Days trial$29.991 Year

Questions

Is iHP48 free?
iHP48 is free to download, with no in-app purchases.
Is TaguchiLab free?
TaguchiLab is free to download, with in-app purchases available.
Do iHP48 or TaguchiLab have ads?
Neither iHP48 nor TaguchiLab shows ads.
Which is updated more often, iHP48 or TaguchiLab?
iHP48 ships an update monthly, and TaguchiLab every 3 days. Most recently, iHP48 was updated on November 3, 2026 and TaguchiLab on October 30, 2026.

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