# Proposal Writer 4 vs LapTracker.app

The clearest difference is iOS requirement: LapTracker.app at 13.0 against Proposal Writer 4's 18.0. 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.

Proposal Writer 4 ships an update every 7 months, LapTracker.app every 4 months. The most recent releases landed on June 24, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Proposal Writer 4 | LapTracker.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proposal-writer-4/id942538207/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 3 MB | 43 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carlisle Construction Materials Incorporated](https://appshunter.io/developer/557896327) | [Willit](https://appshunter.io/developer/1563975709) |

## What reviewers say

### Proposal Writer 4

[App page](https://appshunter.io/ios/app/proposal-writer-4/id942538207)

This app helps roofing professionals conduct rooftop inspections and generate professional reports for clients. It allows for detailed documentation of roof conditions, features, and necessary repairs, streamlining the proposal process.

**Highlights:** Generate rooftop inspection reports, Capture and import photos, Import satellite imagery for site maps, Document rooftop conditions and repairs, Access suggested solutions, Include cover letters and specifications

**Features:** macOS Compatibility

**In-app purchases:** none


### LapTracker.app

[App page](https://appshunter.io/ios/app/laptrackerapp/id1563975707)

This app uses GPS to time your laps on a race track. Review your lap times after each session to track your progress and identify areas for improvement. It supports timing for multiple vehicles.

**Highlights:** GPS-based laptiming, Analyze lap times, Track performance improvement, Support for multiple vehicles, Race track session review

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Proposal Writer 4 free?

Proposal Writer 4 is free to download, with no in-app purchases.

### Is LapTracker.app free?

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

### Do Proposal Writer 4 or LapTracker.app have ads?

Neither Proposal Writer 4 nor LapTracker.app shows ads.

### Which is updated more often, Proposal Writer 4 or LapTracker.app?

Proposal Writer 4 ships an update every 7 months, and LapTracker.app every 4 months. Most recently, Proposal Writer 4 was updated on June 24, 2026 and LapTracker.app on July 5, 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.*