Comparison

Gas Engine Magazine vs SE Oklahoma Library System

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gas Engine Magazine

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
Read full description

Gas Engine Magazine is your best source for tractor and stationary gas engine information. Subscribe and connect with thousands of other gas engine collectors and build your knowledge, share your passion, and search for parts in the publication written by and for gas engine enthusiasts! Gas Engine Magazine brings you restoration stories, company histories, and technical advice. Plus our Flywheel Forum column helps answer your engine inquiries! Gas Engine Magazine Pricing: • Subscription 1 Month - USD 2.99* • Subscription 1 Year - USD 32.99* * For non-US app stores, the equivalent currency charges will apply. Please note: App subscriptions do not include access to subscription-only content on our website. Additional Subscription Information: • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • No cancellation of the current subscription is allowed during active subscription period. Privacy Policy - https://bit.ly/2J5Ujfh Terms of Use - https://bit.ly/2J1YZqL • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

About

SE Oklahoma Library System

Features
Read full description

Check out what’s here! With the SEOLS app, you can access any of our libraries in Southeastern Oklahoma at any time! Search our catalog, place holds, renew your material, find your local branch and discover upcoming events and programs for all ages. You can also download our eBook/eAudio collection, use the Library’s digital resources and even stream movies and videos directly from your device. Check the online calendar to view events by location, date or topic, and find detailed information about our neighborhood libraries.

Screenshots

Gas Engine Magazine1 screens
SE Oklahoma Library System4 screens

Verdict

The call

The clearest difference is in-app purchases: SE Oklahoma Library System at none against Gas Engine Magazine's 10. SE Oklahoma Library System also leads on ads (none vs shown). Gas Engine Magazine's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gas Engine Magazine sells 10 in-app purchases, starting at $2.99 per month. SE Oklahoma Library System asks for nothing beyond the download.

UpkeepUpdate frequency

Gas Engine Magazine ships an update every 4 months, SE Oklahoma Library System every 3 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 6 level
Gas Engine Magazine versus SE Oklahoma Library System: the parameters behind the verdict, then further details
ParameterGas Engine MagazineSE Oklahoma Library System
PriceFreeFree
Rating3.9 (12 ratings) — better—
Number of ratings12 — better—
Update frequencyEvery 4 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size41 MB50 MB
Age rating4+17+
DeveloperOgden Publications, Inc.Southeast Oklahoma Library System

In-app purchases

10 purchases

Gas Engine Magazine

Subscriptions2
  • Gas Engine Magazine$2.991 Month
  • Gas Engine Magazine$32.991 Year
One-time8
  • October/November 2013$6.99
  • February/March 2016$6.99
  • June/July 2016$6.99
Show 5 more
  • December/January 2017$6.99
  • February/March 2017$6.99
  • April/May 2019$6.99
  • GasEngineMag Feed 5$6.99
  • GasEngineMag Feed 31$6.99
None

SE Oklahoma Library System

No in-app purchases

Questions

Is Gas Engine Magazine free?
Gas Engine Magazine is free to download, with in-app purchases available.
Is SE Oklahoma Library System free?
SE Oklahoma Library System is free to download, with no in-app purchases.
Do Gas Engine Magazine or SE Oklahoma Library System have ads?
Gas Engine Magazine shows ads; SE Oklahoma Library System does not.
Which is updated more often, Gas Engine Magazine or SE Oklahoma Library System?
Gas Engine Magazine ships an update every 4 months, and SE Oklahoma Library System every 3 months. Most recently, Gas Engine Magazine was updated on November 3, 2026 and SE Oklahoma Library System on November 3, 2026.

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