# QSpec vs StashIQ

The clearest difference is rating: QSpec at 4.0 against StashIQ's 1.0. QSpec also leads on in-app purchases (none vs 3) and ads (none vs shown). StashIQ's advantage is update cadence (fortnightly vs every 15 months) and iOS requirement (15.1 vs 18.0). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. StashIQ sells 3 in-app purchases, starting at $0.99 per month. QSpec asks for nothing beyond the download.

QSpec holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

QSpec ships an update every 15 months, StashIQ fortnightly. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | QSpec | StashIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/qspec/id1155111447/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/stashiq-scale-model-tracker/id6785612066/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 53 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Linde GmbH](https://appshunter.io/developer/657403417) | [CHRISTOPHER BRYAN DECKER](https://appshunter.io/developer/6783391617) |

## What reviewers say

### QSpec

[App page](https://appshunter.io/ios/app/qspec/id1155111447)

This app helps manage gas cylinder inventory, track blend components, and monitor expiration dates for optimal process performance. It simplifies cylinder tracking and provides on-demand electronic Certificates of Analysis.

**Highlights:** Scan and store cylinder information, Track blend expiration dates, Set expiration alerts, Retrieve and email ECOAs, Create and email reorder lists, Assign cylinders to locations

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

**In-app purchases:** none


### StashIQ

[App page](https://appshunter.io/ios/app/stashiq-scale-model-tracker/id6785612066)

This app helps scale model builders and collectors catalog their kits, manage wish lists, and avoid duplicate purchases. It features a large database of kits, barcode scanning for instant identification, and price comparison tools.

**Highlights:** Catalog owned kits, Build want lists, Search 88,000+ kits, Barcode scanning, Compare retailer prices, Avoid duplicate purchases

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StashIQ Collector | $0.99 | per month |
| StashIQ Trader | $2.99 | per month |
| StashIQ Professional | $4.99 | per month |


## Frequently asked questions

### Is QSpec free?

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

### Is StashIQ free?

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

### Which has better reviews, QSpec or StashIQ?

QSpec is rated higher. QSpec averages 4.0 out of 5 from 6 ratings, while StashIQ averages 1.0 from 3 ratings.

### Do QSpec or StashIQ have ads?

StashIQ shows ads; QSpec does not.

### Which is updated more often, QSpec or StashIQ?

QSpec ships an update every 15 months, and StashIQ fortnightly. Most recently, QSpec was updated on October 15, 2026 and StashIQ on October 8, 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.*