# SolarWriter vs ACRE Mobile

The clearest difference is rating: SolarWriter at 3.8 against ACRE Mobile's 1.0. SolarWriter also leads on ratings volume (16 vs 2). ACRE Mobile's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. SolarWriter sells 1 one-off in-app purchase. ACRE Mobile asks for nothing beyond the download.

SolarWriter holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: SolarWriter has 16 ratings behind it against 2, so its average is the more settled of the two.

SolarWriter ships an update every 5 months, ACRE Mobile every 2 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SolarWriter | ACRE Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (16 ratings)](https://appshunter.io/ios/app/solarwriter/id997410577/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/acre-mobile/id1601723686/reviews) |
| Number of ratings | **16** | 2 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 92 MB | 73 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cool S, LLC](https://appshunter.io/developer/997410576) | [U.S. General Services Administration](https://appshunter.io/developer/389585699) |

## What reviewers say

### SolarWriter

[App page](https://appshunter.io/ios/app/solarwriter/id997410577)

Transform your e-reader into a portable typewriter for outdoor writing. This app connects your keyboard to your e-reader's screen, allowing you to type comfortably on e-ink displays in bright sunlight. Save and share your work easily.

**Highlights:** E-reader integration, External keyboard support, Outdoor writing on e-ink screens, Text mirroring to e-reader, File saving and sharing, Detailed setup instructions

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolarWriter Pro | $9.99 | one-time |


### ACRE Mobile

[App page](https://appshunter.io/ios/app/acre-mobile/id1601723686)

This tool allows users to manage and update lease records offline, syncing data when connected. It supports tracking lease inspections, communications, and other COR file documentation. Additionally, it records building non-compliance findings for program oversight and best practices.

**Highlights:** Offline record access and updates, Lease inspection tracking, COR file documentation management, Building non-compliance reporting, Ad hoc inspection checklists, File management and reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarWriter free?

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

### Is ACRE Mobile free?

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

### Which has better reviews, SolarWriter or ACRE Mobile?

SolarWriter is rated higher. SolarWriter averages 3.8 out of 5 from 16 ratings, while ACRE Mobile averages 1.0 from 2 ratings.

### Do SolarWriter or ACRE Mobile have ads?

Neither SolarWriter nor ACRE Mobile shows ads.

### Which is updated more often, SolarWriter or ACRE Mobile?

SolarWriter ships an update every 5 months, and ACRE Mobile every 2 months. Most recently, SolarWriter was updated on October 24, 2026 and ACRE Mobile on October 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.*