# iHP48 vs Surface Tech AI

The clearest difference is ratings volume: iHP48 at 270 against Surface Tech AI's 1. Surface Tech AI's advantage is rating (5.0 vs 4.7) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Surface Tech AI holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: iHP48 has 270 ratings behind it against 1, so its average is the more settled of the two.

iHP48 ships an update monthly, Surface Tech AI every 3 weeks. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | iHP48 | Surface Tech AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (270 ratings)](https://appshunter.io/ios/app/ihp48/id1549608953/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surface-tech-ai/id6756556487/reviews)** |
| Number of ratings | **270** | 1 |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexis Lorca](https://appshunter.io/developer/1549608955) | [SURFACE TECH LLC](https://appshunter.io/developer/1359208725) |

## 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


### Surface Tech AI

[App page](https://appshunter.io/ios/app/surface-tech-ai/id6756556487)

This AI-powered workspace consolidates conversations, documents, and business tools into a secure platform. It allows users to ask questions in natural language and receive instant, accurate answers, while also generating professional content and integrating with CRM systems.

**Highlights:** AI-powered natural language queries, Document intelligence and semantic search, Automated content generation (emails, reports), CRM system integration, Knowledge base creation from conversations, Secure, role-based access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iHP48 free?

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

### Is Surface Tech AI free?

Surface Tech AI is free to download, with no in-app purchases.

### Which has better reviews, iHP48 or Surface Tech AI?

Surface Tech AI is rated higher. iHP48 averages 4.7 out of 5 from 270 ratings, while Surface Tech AI averages 5.0 from 1 ratings.

### Do iHP48 or Surface Tech AI have ads?

Neither iHP48 nor Surface Tech AI shows ads.

### Which is updated more often, iHP48 or Surface Tech AI?

iHP48 ships an update monthly, and Surface Tech AI every 3 weeks. Most recently, iHP48 was updated on September 19, 2026 and Surface Tech AI on September 10, 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.*