# Free42 vs SimpleLawn

The clearest difference is update cadence: Free42 at every 9 days against SimpleLawn's every 3 months. Free42 also leads on ratings volume (287 vs 2). SimpleLawn's advantage is rating (5.0 vs 4.8). On price, review sentiment, 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.

SimpleLawn holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Free42 has 287 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 94% of Free42's written reviews are positive against 100% of SimpleLawn's.

Free42 ships an update every 9 days, SimpleLawn every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Free42 | SimpleLawn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (287 ratings)](https://appshunter.io/ios/app/free42/id337692629/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simplelawn/id6759928923/reviews)** |
| Number of ratings | **287** | 2 |
| Positive reviews | 94.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 9 MB | 63 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Okken](https://appshunter.io/developer/337692632) | [Andrew Pace](https://appshunter.io/developer/1881692590) |

## What reviewers say

### Free42

[App page](https://appshunter.io/ios/app/free42/id337692629)

This application is a faithful re-implementation of the HP-42S scientific calculator and its associated printer. It offers full functionality without requiring original HP ROM images and is an open-source project.

**Highlights:** HP-42S calculator simulation, HP-82240 printer simulation, Open source project, No HP ROM required, Complete rewrite

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Faithful reproduction of HP42S
- 👍 Identical to physical calculator
- 👍 Runs all original programs
- 👍 Convenient to have on phone
- 👍 Haptic feedback on button presses

**What reviewers complain about**

- 🐛 Screen not filling entire display on newer devices
- 🔇 Configurable key click sound missing
- 🔇 Lack of loud click sound feedback

**Reported bugs**

- Occasional issues with Solver function
- Store and Recall functions not working properly

**Requested features**

- Display all registers (X, Y, Z, T, Last X) simultaneously
- Ability to share/transfer programs between devices
- Improved use of screen real estate on larger displays


### SimpleLawn

[App page](https://appshunter.io/ios/app/simplelawn/id6759928923)

This app helps homeowners measure, map, and calculate lawn care treatments. It allows you to create zones, track product applications, and maintain a history of treatments for each area. Stay organized and simplify your lawn maintenance routine.

**Highlights:** Lawn mapping and zone creation, Square footage measurement, Treatment calculations, Lawn care log, Zone-specific treatment history, Support for multiple lawns and zones

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Free42 free?

Free42 is free to download, with no in-app purchases.

### Is SimpleLawn free?

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

### Which has better reviews, Free42 or SimpleLawn?

SimpleLawn is rated higher. Free42 averages 4.8 out of 5 from 287 ratings, while SimpleLawn averages 5.0 from 2 ratings.

### Do Free42 or SimpleLawn have ads?

Neither Free42 nor SimpleLawn shows ads.

### Which is updated more often, Free42 or SimpleLawn?

Free42 ships an update every 9 days, and SimpleLawn every 3 months. Most recently, Free42 was updated on October 26, 2026 and SimpleLawn on October 24, 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.*