# Digital Engineering vs AA Grapevine

The clearest difference is rating: AA Grapevine at 4.1 against Digital Engineering's 3.0. AA Grapevine also leads on monetization model (free with in-app purchases vs subscription) and review sentiment (31% vs 0%). Digital Engineering's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Digital Engineering sells 6 one-off in-app purchases and AA Grapevine sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

AA Grapevine holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: AA Grapevine has 84 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Digital Engineering's written reviews are positive against 31% of AA Grapevine's.

Digital Engineering ships an update every 4 months, AA Grapevine every 4 weeks. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Digital Engineering | AA Grapevine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/digital-engineering/id565084519/reviews) | **[4.1 (84 ratings)](https://appshunter.io/ios/app/aa-grapevine/id6450056498/reviews)** |
| Number of ratings | 1 | **84** |
| Positive reviews | 0.0% of reviews | **31.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | — | **#54** |
| Size | 29 MB | 20 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Magzter Inc.](https://appshunter.io/developer/406791755) | [AA Grapevine, Inc.](https://appshunter.io/developer/1105305231) |

## What reviewers say

### Digital Engineering

[App page](https://appshunter.io/ios/app/digital-engineering/id565084519)

This app provides access to a specialized trade magazine focused on integrated product development in engineering. It covers innovations in drive technology, automation, electrical engineering, fluid technology, connection technology, and construction components.

**Highlights:** Engineering product development coverage, Innovation in drive technology, Automation and electrical engineering insights, Fluid and connection technology, Construction components, On-the-go reading

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Issue 3 2018 | $14.99 | one-time |
| Digital Engineer Issue 4 2021 | $14.99 | one-time |
| Digital Engineering | $14.99 | one-time |
| Digital Engineering 1, 2022 | $14.99 | one-time |
| Digital Engineering 2, 2022 | $14.99 | one-time |
| Digital Engineering 3, 2022 | $14.99 | one-time |


### AA Grapevine

[App page](https://appshunter.io/ios/app/aa-grapevine/id6450056498)

**Currently charting:** #54 Top Grossing · Magazines & Newspapers, #99 Top Free · Magazines & Newspapers (US App Store)

Access the international journal of Alcoholics Anonymous, featuring articles, a podcast, and a daily quote. Enhance your sobriety journey with a calculator, events calendar, and exclusive spiritual maintenance tools. Share your experiences and connect with a supportive community.

**Highlights:** Monthly magazine access, Article archives, Podcast player, Daily quote, Sobriety calculator, AA events calendar, Spiritual maintenance checklist

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grapevine Monthly Subscription | $2.99 | per month |
| Grapevine Annual Subscription | $29.99 | per year |


## Frequently asked questions

### Is Digital Engineering free?

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

### Is AA Grapevine free?

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

### Which has better reviews, Digital Engineering or AA Grapevine?

AA Grapevine is rated higher. Digital Engineering averages 3.0 out of 5 from 1 ratings, while AA Grapevine averages 4.1 from 84 ratings.

### Do Digital Engineering or AA Grapevine have ads?

Neither Digital Engineering nor AA Grapevine shows ads.

### Which is updated more often, Digital Engineering or AA Grapevine?

Digital Engineering ships an update every 4 months, and AA Grapevine every 4 weeks. Most recently, Digital Engineering was updated on October 2, 2026 and AA Grapevine on October 12, 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.*