Comparison

Surveying Leveling Field Notes vs iHP48

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

Head to head
About

Surveying Leveling Field Notes

This app automates calculations and checks for the Height of Instrument method in surveying. Users can customize column titles and easily share their field notes as CSV files.

Highlights
  • Height of Instrument method calculation
  • Automatic checking of calculations
  • Editable column titles
  • Share as CSV file
Features
Read full description

Supports automatic calculation and checking of the Height of Instrument method. You can edit column titles. You can share your document as a '.csv' file.

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.

Screenshots

Surveying Leveling Field Notes4 screens
iHP484 screens

Verdict

The call

The clearest difference is in-app purchases: iHP48 at none against Surveying Leveling Field Notes's 1. iHP48 also leads on ads (none vs shown) and update cadence (monthly vs every 5 months). Surveying Leveling Field Notes's advantage is review sentiment (100% vs 88%). On price, rating, 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. Surveying Leveling Field Notes sells 1 one-off in-app purchase. iHP48 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Surveying Leveling Field Notes against 4.6 for iHP48. That said, the two scores are not equally well evidenced: iHP48 has 302 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 100% of Surveying Leveling Field Notes's written reviews are positive against 88% of iHP48's.

UpkeepUpdate frequency

Surveying Leveling Field Notes ships an update every 5 months, iHP48 monthly. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Surveying Leveling Field Notes versus iHP48: the parameters behind the verdict, then further details
ParameterSurveying Leveling Field NotesiHP48
PriceFreeFree
Rating4.6 (5 ratings)4.6 (302 ratings) — better
Positive reviews100.0% of reviews — better88.3% of reviews
Number of ratings5302 — better
Update frequencyEvery 5 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size52 MB6 MB
Age rating4+4+
DeveloperHFX LabAlexis Lorca

Customer experience

Surveying Leveling Field Notes

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

iHP48

All ratings270 ratings
Positive90.7%
Neutral3.0%
Negative6.3%
Written reviews196 reviews
Positive88.3%
Neutral4.1%
Negative7.7%

Bugs and requests

Surveying Leveling Field Notes

Not enough reviews yet to summarise bugs or 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

In-app purchases

1 purchases

Surveying Leveling Field Notes

One-time1
  • Premium$2.99
None

iHP48

No in-app purchases

Questions

Is Surveying Leveling Field Notes free?
Surveying Leveling Field Notes is free to download, with in-app purchases available.
Is iHP48 free?
iHP48 is free to download, with no in-app purchases.
Which has better reviews, Surveying Leveling Field Notes or iHP48?
iHP48 is rated higher. Surveying Leveling Field Notes averages 4.6 out of 5 from 5 ratings, while iHP48 averages 4.6 from 302 ratings.
Do Surveying Leveling Field Notes or iHP48 have ads?
Surveying Leveling Field Notes shows ads; iHP48 does not.
Which is updated more often, Surveying Leveling Field Notes or iHP48?
Surveying Leveling Field Notes ships an update every 5 months, and iHP48 monthly. Most recently, Surveying Leveling Field Notes was updated on November 3, 2026 and iHP48 on November 3, 2026.

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