# CPF TechTools vs ISAQR

The clearest difference is rating: CPF TechTools at 4.5 against ISAQR's 1.9. CPF TechTools also leads on review sentiment (55% vs 18%). ISAQR's advantage is update cadence (fortnightly vs every 2 months). On price, ratings volume, 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.

CPF TechTools holds the better App Store score, 4.5 against 1.9. Both are backed by a comparable volume of ratings — 22 and 64 respectively. Written reviews point the same way: 55% of CPF TechTools's written reviews are positive against 18% of ISAQR's.

CPF TechTools ships an update every 2 months, ISAQR fortnightly. The most recent releases landed on July 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CPF TechTools | ISAQR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/cpf-techtools/id679297384/reviews)** | [1.9 (64 ratings)](https://appshunter.io/ios/app/isaqr/id1203753432/reviews) |
| Number of ratings | 22 | **64** |
| Positive reviews | **54.5% of reviews** | 18.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 8 MB | 112 MB |
| Requires iOS | **14.0** | 15.2.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charlotte Pipe and Foundry Company](https://appshunter.io/developer/679297387) | [paras arora](https://appshunter.io/developer/1203753431) |

## What reviewers say

### CPF TechTools

[App page](https://appshunter.io/ios/app/cpf-techtools/id679297384)

This app offers essential on-the-go technical calculators for plumbing professionals. It includes tools for expansion/contraction and temperature de-rating, with more features planned for future updates.

**Highlights:** Expansion calculator, Contraction calculator, Temperature de-rating calculator, Tools for plumbing professionals, Future tool additions planned

**Features:** macOS Compatibility

**In-app purchases:** none


### ISAQR

[App page](https://appshunter.io/ios/app/isaqr/id1203753432)

Access essential data for building trades professionals and local union members. Make informed business decisions with critical information for daily work processes.

**Highlights:** Local union membership access, Contractor information, Critical data for business decisions, Online access to data, Building trades industry focus

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CPF TechTools free?

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

### Is ISAQR free?

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

### Which has better reviews, CPF TechTools or ISAQR?

CPF TechTools is rated higher. CPF TechTools averages 4.5 out of 5 from 22 ratings, while ISAQR averages 1.9 from 64 ratings.

### Do CPF TechTools or ISAQR have ads?

Neither CPF TechTools nor ISAQR shows ads.

### Which is updated more often, CPF TechTools or ISAQR?

CPF TechTools ships an update every 2 months, and ISAQR fortnightly. Most recently, CPF TechTools was updated on July 7, 2026 and ISAQR on September 21, 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.*