# GEN GST vs Chippy Tools

The clearest difference is in-app purchases: GEN GST at none against Chippy Tools's 10. GEN GST also leads on iOS requirement (11.0 vs 16.0). Chippy Tools's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Chippy Tools sells 9 in-app purchases, starting at $2.99 per 7 days. GEN GST asks for nothing beyond the download.

GEN GST ships an update every 3 weeks, Chippy Tools every 8 days. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | GEN GST | Chippy Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (905 ratings)](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717/reviews)** |
| Number of ratings | — | **905** |
| Positive reviews | — | 55.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 232 MB | 46 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sag Infotech Private limited](https://appshunter.io/developer/574363251) | [Peth Pty Ltd](https://appshunter.io/developer/662891650) |

## What reviewers say

### GEN GST

[App page](https://appshunter.io/ios/app/gen-gst/id1194020042)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 GEN GST free?

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

### Is Chippy Tools free?

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

### Do GEN GST or Chippy Tools have ads?

Neither GEN GST nor Chippy Tools shows ads.

### Which is updated more often, GEN GST or Chippy Tools?

GEN GST ships an update every 3 weeks, and Chippy Tools every 8 days. Most recently, GEN GST was updated on September 27, 2026 and Chippy Tools on September 29, 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.*