# Chippy Tools vs Evap Solutions

The clearest difference is review sentiment: Evap Solutions at 100% against Chippy Tools's 55%. Evap Solutions also leads on rating (5.0 vs 4.5). Chippy Tools's advantage is monetization model (freemium vs subscription) and ratings volume (905 vs 2). On price, ads, in-app purchases 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 and Evap Solutions sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Evap Solutions holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Chippy Tools has 905 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 55% of Chippy Tools's written reviews are positive against 100% of Evap Solutions's.

Chippy Tools ships an update every 8 days, Evap Solutions every 2 weeks. The most recent releases landed on September 29, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Chippy Tools | Evap Solutions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (905 ratings)](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evap-solutions/id6754700234/reviews)** |
| Number of ratings | **905** | 2 |
| Positive reviews | 55.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | **Freemium** | Subscription |
| Size | 46 MB | 25 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Peth Pty Ltd](https://appshunter.io/developer/662891650) | [1L Concrete Solutions](https://appshunter.io/developer/1849693371) |

## What reviewers say

### 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


### Evap Solutions

[App page](https://appshunter.io/ios/app/evap-solutions/id6754700234)

This app helps concrete professionals calculate evaporation rates based on weather conditions. It provides guidance to prevent cracks and improve concrete curing for stronger, longer-lasting results. A free trial is available before subscribing.

**Highlights:** Concrete evaporation rate calculation, Crack prevention guidance, Weather-based adjustments, User-friendly interface, Moisture control and curing management

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is Chippy Tools free?

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

### Is Evap Solutions free?

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

### Which has better reviews, Chippy Tools or Evap Solutions?

Evap Solutions is rated higher. Chippy Tools averages 4.5 out of 5 from 905 ratings, while Evap Solutions averages 5.0 from 2 ratings.

### Do Chippy Tools or Evap Solutions have ads?

Neither Chippy Tools nor Evap Solutions shows ads.

### Which is updated more often, Chippy Tools or Evap Solutions?

Chippy Tools ships an update every 8 days, and Evap Solutions every 2 weeks. Most recently, Chippy Tools was updated on September 29, 2026 and Evap Solutions on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*