# Gas Engine Magazine vs Mindgem

The clearest difference is rating: Mindgem at 4.9 against Gas Engine Magazine's 3.9. Mindgem also leads on in-app purchases (none vs 11). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Gas Engine Magazine sells 11 in-app purchases, starting at $2.99 per month. Mindgem asks for nothing beyond the download.

Mindgem holds the better App Store score, 4.9 against 3.9. Both are backed by a comparable volume of ratings — 12 and 24 respectively.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 16, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Gas Engine Magazine | Mindgem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (12 ratings)](https://appshunter.io/ios/app/gas-engine-magazine/id878048300/reviews) | **[4.9 (24 ratings)](https://appshunter.io/ios/app/mindgem/id1503349712/reviews)** |
| Number of ratings | 12 | **24** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 41 MB | 40 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ogden Publications, Inc.](https://appshunter.io/developer/450808661) | [GEORGIA MEDITATION CIRCLE INC](https://appshunter.io/developer/1503349711) |

## What reviewers say

### Gas Engine Magazine

[App page](https://appshunter.io/ios/app/gas-engine-magazine/id878048300)

This publication offers in-depth information for tractor and stationary gas engine enthusiasts. Discover restoration stories, company histories, technical advice, and connect with a community of collectors. Search for parts and get your engine inquiries answered.

**Highlights:** Tractor and stationary gas engine information, Restoration stories, Company histories, Technical advice, Community connection, Parts search, Engine inquiries answered

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gas Engine Magazine | $2.99 | per month |
| Gas Engine Magazine | $32.99 | per year |
| October/November 2013 | $6.99 | one-time |
| February/March 2016 | $6.99 | one-time |
| April/May 2016 | $6.99 | one-time |
| June/July 2016 | $6.99 | one-time |
| December/January 2017 | $6.99 | one-time |
| February/March 2017 | $6.99 | one-time |
| April/May 2019 | $6.99 | one-time |
| GasEngineMag Feed 5 | $6.99 | one-time |
| GasEngineMag Feed 31 | $6.99 | one-time |


### Mindgem

[App page](https://appshunter.io/ios/app/mindgem/id1503349712)

Engage in guided meditation sessions led by experienced Buddhist monks. Connect with a supportive community focused on sharing wisdom and personal growth.

**Highlights:** Guided meditation sessions, Led by Buddhist monks, Community forum, Wisdom sharing, Personal growth focus

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

**In-app purchases:** none


## Frequently asked questions

### Is Gas Engine Magazine free?

Gas Engine Magazine is free to download, with in-app purchases available.

### Is Mindgem free?

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

### Which has better reviews, Gas Engine Magazine or Mindgem?

Mindgem is rated higher. Gas Engine Magazine averages 3.9 out of 5 from 12 ratings, while Mindgem averages 4.9 from 24 ratings.

### Do Gas Engine Magazine or Mindgem have ads?

Both Gas Engine Magazine and Mindgem show ads.

### Which is updated more often, Gas Engine Magazine or Mindgem?

Gas Engine Magazine ships an update every 4 months, and Mindgem every 4 months. Most recently, Gas Engine Magazine was updated on September 16, 2026 and Mindgem on July 28, 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.*