# Microwave Journal Magazine vs GrainCheck

The clearest difference is in-app purchases: Microwave Journal Magazine at none against GrainCheck's 2. Microwave Journal Magazine also leads on iOS requirement (12.2 vs 15.0). GrainCheck's advantage is update cadence (every 6 weeks vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. GrainCheck sells 2 in-app purchases, starting at $0.99 per month. Microwave Journal Magazine asks for nothing beyond the download.

Microwave Journal Magazine ships an update every 8 months, GrainCheck every 6 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Microwave Journal Magazine | GrainCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/microwave-journal-magazine/id580173063/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 69 MB | 11 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Horizon House Publications, Inc.](https://appshunter.io/developer/580173066) | [Softinform TOV](https://appshunter.io/developer/1329902448) |

## What reviewers say

### Microwave Journal Magazine

[App page](https://appshunter.io/ios/app/microwave-journal-magazine/id580173063)

Access the latest RF and microwave technology news, design techniques, and industry insights. This publication offers peer-reviewed technical articles, market reports, and event information for professionals in the field.

**Highlights:** RF and microwave technology articles, Peer-reviewed technical features, Industry news and market reports, Event listings, New product information, Global reach

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

**In-app purchases:** none


### GrainCheck

[App page](https://appshunter.io/ios/app/graincheck/id6761753467)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrainCheck Pro Monthly | $0.99 | per month |
| GrainCheck Pro Annual | $9.99 | per year |


## Frequently asked questions

### Is Microwave Journal Magazine free?

Microwave Journal Magazine is free to download, with no in-app purchases.

### Is GrainCheck free?

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

### Do Microwave Journal Magazine or GrainCheck have ads?

Neither Microwave Journal Magazine nor GrainCheck shows ads.

### Which is updated more often, Microwave Journal Magazine or GrainCheck?

Microwave Journal Magazine ships an update every 8 months, and GrainCheck every 6 weeks. Most recently, Microwave Journal Magazine was updated on November 1, 2026 and GrainCheck on November 5, 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.*