# Rafter Help vs Chippy Tools

The clearest difference is price: Chippy Tools at Free against Rafter Help's $1.99. Chippy Tools also leads on update cadence (every 8 days vs every 5 months) and review sentiment (55% vs 40%). Rafter Help's advantage is in-app purchases (none vs 10) and iOS requirement (10.0 vs 16.0). On rating, ads and device support there is nothing between them.

Chippy Tools is free to download; Rafter Help costs $1.99 up front. Chippy Tools sells 9 in-app purchases, starting at $2.99 per 7 days. Rafter Help asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Rafter Help against 4.5 for Chippy Tools. Both are backed by a comparable volume of ratings — 214 and 905 respectively. Written reviews are what separate them: 40% of Rafter Help's written reviews are positive against 55% of Chippy Tools's.

Rafter Help ships an update every 5 months, Chippy Tools every 8 days. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Rafter Help | Chippy Tools |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (214 ratings)](https://appshunter.io/ios/app/rafter-help/id1006188060/reviews)** | [4.5 (905 ratings)](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717/reviews) |
| Number of ratings | 214 | **905** |
| Positive reviews | 40.0% of reviews | **55.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 46 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Peth Pty Ltd](https://appshunter.io/developer/662891650) |

## What reviewers say

### Rafter Help

[App page](https://appshunter.io/ios/app/rafter-help/id1006188060)

This app simplifies roof construction by calculating rafter lengths and related measurements. It supports various input formats for pitch and length, offering both quick calculations for gable roofs and advanced control for more complex needs.

**Highlights:** Calculate rafter length and associated values, Determine roof pitch, rafter lengths, and ridge height, Supports gable roofs, Advanced calculation options, Multiple input formats for pitch (radians, degrees, DMS, rise/run), Flexible length units (mm, cm, inches, feet), Customizable decimal places

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to understand
- 👍 Accurate measurements
- 👍 Gives rafter length with deduction
- 👍 Useful for setting out measurements
- 👍 First class, use it all the time

**What reviewers complain about**

- 👎 Cannot add 1/4 inch
- 👎 Inaccurate and unconvincing
- 👎 Really limited functionality
- 👎 Doesn’t give cut angles, only lengths
- 👎 Doesn’t give necessary measurements for rafters

**Reported bugs**

- Cannot add 1/4 inch
- Missing decimal point on keypad
- Major error in basic gable drawing
- App won't open, says 'waiting'

**Requested features**

- Add 1/4 inch input
- Provide cut angles
- Include decimal point on keypad
- Support hip rafters
- Correct drawing error for basic gable


### Chippy Tools

[App page](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717)

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

**Highlights:** Baluster spacing calculator, Flat run attached baluster calculator, Square calculator, Concrete calculator, Stair calculator, Supports millimeters, feet, and inches

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chippy Tools Pro - Weekly | $2.99 | per 7 days |
| Chippy Tools Pro - Weekly | $3.99 | per 7 days |
| Chippy Tools Pro - Quarterly | $4.99 | per 3 months |
| Chippy Tools Pro - Monthly | $5.99 | per month |
| Chippy Tools Pro - Monthly | $5.99 | per month |
| Chippy Tools Pro - Annual | $19.99 | per year |
| Chippy Tools Pro - Annual | $19.99 | per year |
| Chippy Tools Pro - Annual | $19.99 | per year |
| One Time Purchase | $85.00 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Useful construction tools
- 🙌 Great for DIY projects

**What reviewers complain about**

- 🤔 Confusing interface
- 💰 Expensive subscription
- 🐛 Inaccurate calculations
- 🔒 Difficult to cancel subscription

**Reported bugs**

- Square check feature not working
- Measurements disappear after partial use

**Requested features**

- Add more construction-related calculators
- Improve stair and rafter tools
- Include material quantity estimations
- Add support for metric and imperial units


## Frequently asked questions

### Is Rafter Help free?

Rafter Help costs $1.99, with no in-app purchases.

### Is Chippy Tools free?

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

### Which has better reviews, Rafter Help or Chippy Tools?

Rafter Help is rated higher. Rafter Help averages 4.5 out of 5 from 214 ratings, while Chippy Tools averages 4.5 from 905 ratings.

### Do Rafter Help or Chippy Tools have ads?

Neither Rafter Help nor Chippy Tools shows ads.

### Which is updated more often, Rafter Help or Chippy Tools?

Rafter Help ships an update every 5 months, and Chippy Tools every 8 days. Most recently, Rafter Help was updated on October 22, 2026 and Chippy Tools 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.*