# iHP48 vs Post

The clearest difference is in-app purchases: iHP48 at none against Post's 1. iHP48 also leads on ratings volume (302 vs 2) and device support (3 vs 1). Post's advantage is update cadence (every 3 days vs monthly) and rating (5.0 vs 4.6). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Post sells 1 one-off in-app purchase. iHP48 asks for nothing beyond the download.

Post holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: iHP48 has 302 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 88% of iHP48's written reviews are positive against 100% of Post's.

iHP48 ships an update monthly, Post every 3 days. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iHP48 | Post |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (302 ratings)](https://appshunter.io/ios/app/ihp48/id1549608953/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/post-mission-planner/id6791026821/reviews)** |
| Number of ratings | **302** | 2 |
| Positive reviews | 88.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 57 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexis Lorca](https://appshunter.io/developer/1549608955) | [Holland Labs LLC](https://appshunter.io/developer/6784481925) |

## 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


### Post

[App page](https://appshunter.io/ios/app/post-mission-planner/id6791026821)

Organize your life after a mission with a planner that integrates calendars, goals, habits, and contacts. It works offline and offers optional full access for enhanced features like calendar syncing and partner sharing.

**Highlights:** Calendar and event planning, Goal setting with progress tracking, People list with interaction tracking, Offline functionality, Google Calendar sync, Partner calendar sharing, Map view of people and places

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is iHP48 free?

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

### Is Post free?

Post is free to download, with in-app purchases available.

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

Post is rated higher. iHP48 averages 4.6 out of 5 from 302 ratings, while Post averages 5.0 from 2 ratings.

### Do iHP48 or Post have ads?

Neither iHP48 nor Post shows ads.

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

iHP48 ships an update monthly, and Post every 3 days. Most recently, iHP48 was updated on October 22, 2026 and Post on October 20, 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.*