# Pecora Calculator vs SpecChem App

The clearest difference is update cadence: SpecChem App at monthly against Pecora Calculator's every 10 months. SpecChem App also leads on rating (5.0 vs 4.8). Pecora Calculator's advantage is iOS requirement (12.0 vs 14.0). 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.

SpecChem App holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

Pecora Calculator ships an update every 10 months, SpecChem App monthly. The most recent releases landed on June 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Pecora Calculator | SpecChem App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/pecora-calculator/id1035535549/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/specchem-app/id6745465354/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Free | Free |
| Size | 29 MB | 34 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pecora Corporation](https://appshunter.io/developer/1035535548) | [SpecChem, LLC](https://appshunter.io/developer/613706994) |

## What reviewers say

### Pecora Calculator

[App page](https://appshunter.io/ios/app/pecora-calculator/id1035535549)

This mobile tool simplifies estimating sealant and coating quantities for projects. Save and access project details easily with the 'My Projects' feature, keeping your data readily available.

**Highlights:** Estimate sealant and coating quantities, Save and review project data, Mobile project management, Fast and simple calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### SpecChem App

[App page](https://appshunter.io/ios/app/specchem-app/id6745465354)

This app provides concrete construction professionals with instant access to product technical data, safety documents, and sales information. It features offline product search, rep lookup, and compliance filtering for VOCs and DOT approvals, streamlining jobsite operations.

**Highlights:** Access product technical data, SDS, and sell sheets, Geolocation-based sales rep lookup, Filter VOC-compliant products by state, Browse DOT-approved products by jurisdiction, Offline product search, Push notifications for updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Pecora Calculator free?

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

### Is SpecChem App free?

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

### Which has better reviews, Pecora Calculator or SpecChem App?

SpecChem App is rated higher. Pecora Calculator averages 4.8 out of 5 from 5 ratings, while SpecChem App averages 5.0 from 4 ratings.

### Do Pecora Calculator or SpecChem App have ads?

Neither Pecora Calculator nor SpecChem App shows ads.

### Which is updated more often, Pecora Calculator or SpecChem App?

Pecora Calculator ships an update every 10 months, and SpecChem App monthly. Most recently, Pecora Calculator was updated on June 11, 2026 and SpecChem App on September 10, 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.*