# iHP48 vs DB40X

iHP48 and DB40X both sit at 4.6 stars, but that hides the real split: 88% of iHP48's written reviews are positive against 67% of DB40X's. iHP48 also leads on ratings volume (302 vs 7). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for iHP48 against 4.7 for DB40X. That said, the two scores are not equally well evidenced: iHP48 has 302 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 88% of iHP48's written reviews are positive against 67% of DB40X's.

iHP48 ships an update monthly, DB40X every 3 weeks. The most recent releases landed on October 22, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iHP48 | DB40X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (302 ratings)](https://appshunter.io/ios/app/ihp48/id1549608953/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/db40x/id6624315901/reviews)** |
| Number of ratings | **302** | 7 |
| Positive reviews | **88.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 7 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexis Lorca](https://appshunter.io/developer/1549608955) | [Christophe de Dinechin](https://appshunter.io/developer/1761608161) |

## What reviewers say

### iHP48

[App page](https://appshunter.io/ios/app/ihp48/id1549608953)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent emulation of HP48
- 👍 Familiar and nostalgic feel
- 👍 Comprehensive functionality
- 👍 Customizable skins
- 👍 Haptic feedback

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Missed keystrokes when typing quickly
- 🐛 Blank or flickering display
- 🐛 Compatibility issues with newer iOS versions

**Reported bugs**

- Crashes on startup
- Inability to save state across sessions
- Incompatibility with certain iOS devices

**Requested features**

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


### DB40X

[App page](https://appshunter.io/ios/app/db40x/id6624315901)

A high-precision scientific calculator inspired by the HP48 series, offering arbitrary precision computations, complex numbers, vectors, matrices, and graphing. It supports RPN and algebraic operations, with over 1000 built-in functions and a hyperlinked help system.

**Highlights:** Arbitrary precision computations, RPN and algebraic operations, Complex numbers, vectors, and matrices, Graphing and plotting, Engineering units and conversions, Hyperlinked help system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iHP48 free?

iHP48 is free to download, with no in-app purchases.

### Is DB40X free?

DB40X is free to download, with no in-app purchases.

### Which has better reviews, iHP48 or DB40X?

DB40X is rated higher. iHP48 averages 4.6 out of 5 from 302 ratings, while DB40X averages 4.7 from 7 ratings.

### Do iHP48 or DB40X have ads?

Neither iHP48 nor DB40X shows ads.

### Which is updated more often, iHP48 or DB40X?

iHP48 ships an update monthly, and DB40X every 3 weeks. Most recently, iHP48 was updated on October 22, 2026 and DB40X on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*