# Carpentry Formulator vs NoteNow

The clearest difference is rating: Carpentry Formulator at 3.8 against NoteNow's 3.0. Carpentry Formulator also leads on update cadence (every 2 months vs every 4 months). NoteNow's advantage is in-app purchases (none vs 1) and review sentiment (57% vs 25%). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Carpentry Formulator sells 1 one-off in-app purchase. NoteNow asks for nothing beyond the download.

Carpentry Formulator holds the better App Store score, 3.8 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 25% of Carpentry Formulator's written reviews are positive against 57% of NoteNow's, so the app with the better star average is not the one people write more warmly about.

Carpentry Formulator ships an update every 2 months, NoteNow every 4 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Carpentry Formulator | NoteNow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/carpentry-formulator/id305583131/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/notenow/id306209404/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 25.0% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 23 MB | 14 MB |
| Requires iOS | 18.6 | **7.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [manolo Sanudo](https://appshunter.io/developer/303477234) |

## What reviewers say

### Carpentry Formulator

[App page](https://appshunter.io/ios/app/carpentry-formulator/id305583131)

This app provides over 150 formulas and dozens of conversions for carpenters and builders. It calculates loads on walls and headers, material quantities for projects, and dimensions for roofing and stairs. It also includes area and volume calculations for various shapes.

**Highlights:** Load calculations for walls and headers, Material quantity estimation (joists, studs, concrete), Roofing and stair dimension calculations, Area and volume formulas for geometric shapes, Dozens of unit conversion tools, Shareable calculation results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Features | $2.99 | one-time |


### NoteNow

[App page](https://appshunter.io/ios/app/notenow/id306209404)

This app allows you to create notes directly on your iPhone's lock screen. Simply write your note, take a screenshot, and set it as your wallpaper to keep important information at a glance.

**Highlights:** Lock screen note creation, Screenshot functionality, Set notes as wallpaper, Swipe navigation for notes, Customizable app appearance

**In-app purchases:** none


## Frequently asked questions

### Is Carpentry Formulator free?

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

### Is NoteNow free?

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

### Which has better reviews, Carpentry Formulator or NoteNow?

Carpentry Formulator is rated higher. Carpentry Formulator averages 3.8 out of 5 from 4 ratings, while NoteNow averages 3.0 from 2 ratings.

### Do Carpentry Formulator or NoteNow have ads?

Neither Carpentry Formulator nor NoteNow shows ads.

### Which is updated more often, Carpentry Formulator or NoteNow?

Carpentry Formulator ships an update every 2 months, and NoteNow every 4 months. Most recently, Carpentry Formulator was updated on October 6, 2026 and NoteNow on October 7, 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.*