# Fix Spiro vs Prime Resins Toolbox

The clearest difference is rating: Prime Resins Toolbox at 5.0 against Fix Spiro's 2.3. Prime Resins Toolbox also leads on update cadence (every 3 weeks vs every 14 months) and iOS requirement (12.4 vs 15.0). Fix Spiro's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prime Resins Toolbox holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Fix Spiro ships an update every 14 months, Prime Resins Toolbox every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Fix Spiro | Prime Resins Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/fix-spiro/id1298621362/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prime-resins-toolbox/id6476712546/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 12 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIR Medical International Research](https://appshunter.io/developer/1010662698) | [RPM International Inc.](https://appshunter.io/developer/431077419) |

## What reviewers say

### Fix Spiro

[App page](https://appshunter.io/ios/app/fix-spiro/id1298621362)

This app helps you manage and update the firmware for your smart spirometry and peak flow meter devices. It automatically checks for and applies necessary Bluetooth and internal software updates.

**Highlights:** Automatic firmware updates, Bluetooth device management, Internal software updates, Smart spirometry support, Peak flow meter support

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

**In-app purchases:** none


### Prime Resins Toolbox

[App page](https://appshunter.io/ios/app/prime-resins-toolbox/id6476712546)

This app helps contractors and specialists accurately calculate material needs for various structural repair and sealing projects. It provides job totals for quoting and planning, estimating requirements by slab, gallons, or pounds.

**Highlights:** Calculate product requirements, Estimate by slab, gallons, or pounds, Generate job totals for quoting, Support for structural repair, Support for leak sealing, Support for coating/lining

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fix Spiro free?

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

### Is Prime Resins Toolbox free?

Prime Resins Toolbox is free to download, with no in-app purchases.

### Which has better reviews, Fix Spiro or Prime Resins Toolbox?

Prime Resins Toolbox is rated higher. Fix Spiro averages 2.3 out of 5 from 3 ratings, while Prime Resins Toolbox averages 5.0 from 1 ratings.

### Do Fix Spiro or Prime Resins Toolbox have ads?

Neither Fix Spiro nor Prime Resins Toolbox shows ads.

### Which is updated more often, Fix Spiro or Prime Resins Toolbox?

Fix Spiro ships an update every 14 months, and Prime Resins Toolbox every 3 weeks. Most recently, Fix Spiro was updated on November 3, 2026 and Prime Resins Toolbox on November 4, 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.*