# Gas Engine Magazine vs StudentService

The clearest difference is in-app purchases: StudentService at none against Gas Engine Magazine's 11. StudentService also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Gas Engine Magazine ships an update every 4 months, StudentService every 7 months. The most recent releases landed on October 24, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Gas Engine Magazine | StudentService |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (12 ratings)](https://appshunter.io/ios/app/gas-engine-magazine/id878048300/reviews)** | — |
| Number of ratings | **12** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ogden Publications, Inc.](https://appshunter.io/developer/450808661) | [Mutaz Alzuod](https://appshunter.io/developer/1618479827) |

## 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 |


### StudentService

[App page](https://appshunter.io/ios/app/studentservice/id1638447224)

**Features:** macOS Compatibility

**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 StudentService free?

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

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

Gas Engine Magazine shows ads; StudentService does not.

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

Gas Engine Magazine ships an update every 4 months, and StudentService every 7 months. Most recently, Gas Engine Magazine was updated on October 24, 2026 and StudentService on May 16, 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.*