Comparison

Graylight vs VA Math Buster

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

Head to head
About

Graylight

This educational app offers comprehensive courses and field-tested techniques for bowhunting mule deer. Learn habitat, scouting, stalking, and bow tuning strategies directly from an experienced hunter. Connect with a community of users and access exclusive content to improve your hunting success.

Highlights
  • Mule deer bowhunting courses
  • Habitat and scouting strategies
  • Glassing and stalking techniques
  • Bow tuning lessons
  • Field-recorded insights
  • Community sharing and Q&A
Features
Read full description

The Gray Light App is the very first educational outdoors, woodsman based bowhunting app made mindfully for Mule Deer hunters! With consistent and fresh content designed to drive results across the many different aspects of the hunt in order to become a knowledgeable and successful bowhunter. Each course will build proficiencies in their respective categories by drilling down on specific habitat and species related subject matter through repetition. FASTRACK. Your learning experience with The Gray Light App and its many different courses pertaining to the hunt: Habitat, Scouting, Glassing, Stalking, Bow Tuning, Terrain as well as many others. All content is recorded straight from the field to give users a raw learning experience of useful incites and techniques proven to be successful and relevant to today’s hard-working woodsman. LEARN. Techniques and tactics mindfully created into course lessons, broken down based upon terrain type and sub species. Directly related to understanding the interworking’s of connecting the dots during any hunt out West relating to Mule Deer. COMMUNITY. Share and celebrate your success stories with other users. You will find updates on new and exclusive courses available. Ask the questions on your mind and Marlon hand picks your FAQ for new content lessons. WINNING. With the Pro Hunter Subscription as Marlon Holden, a renown DIY Western, Spot and Stalk Bowhunter shows you the Realtime ins and outs of in field hunting tactics. With a proven track record of success spanning beyond the last fifteen years, Marlon has the skillset and the credit to apply his knowledge in a way like no other can. With well over sixty Mule Deer bow kills to his credit over many different varied terrain types, Marlon can help shorten your learning curve to becoming a better and more successful woodsman! While Marlon cannot gift you with instinct, he can absolutely provide you the essential knowledge necessary for a credible roadmap which leads to successful hunts no matter where you hunt. With this App you will have the ultimate tool to aide you in your quest to become the ultimate bowhunter, filling more tags and creating lasting memories afield! Readout full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy

About

VA Math Buster

Features
Read full description

VA Math Buster helps veterans estimate combined disability ratings and plan monthly VA compensation in one focused calculator. CALCULATE VA RATINGS • Combine multiple disability ratings using VA math • Review the step-by-step combination math • Account for paired arms and legs with bilateral support • Save and revisit rating scenarios PLAN COMPENSATION WITH PRO • View monthly compensation using published 2026 VA rates • Add a spouse, dependent parents, children, school-age children ages 18–23, and qualifying disabled adult children • Include primary Special Monthly Compensation awards and SMC-K add-ons • Compare current monthly compensation with an adjustable expected COLA projection • Unlock Pro and remove ads with one $5.99 purchase The original VA ratings calculator remains available. The Pro upgrade is optional, and eligible purchases can be restored from the Pro screen. VA Math Buster is an independent educational planning tool. It is not affiliated with, endorsed by, or operated by the U.S. Department of Veterans Affairs. Results are estimates and are not legal, medical, financial, or claims advice. Verify benefit amounts and eligibility with VA.gov or an accredited representative.

Screenshots

Graylight4 screens
VA Math Buster1 screens

Verdict

The call

The clearest difference is in-app purchases: VA Math Buster at none against Graylight's 2. VA Math Buster also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 7 months). On price, device support and iOS requirement 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. Graylight sells 1 in-app purchase, starting at $9.99 per month. VA Math Buster asks for nothing beyond the download.

UpkeepUpdate frequency

Graylight ships an update every 7 months, VA Math Buster every 4 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Graylight versus VA Math Buster: the parameters behind the verdict, then further details
ParameterGraylightVA Math Buster
PriceFreeFree
Rating4.5 (39 ratings) — better—
Positive reviews89.5% of reviews—
Number of ratings39 — better—
Update frequencyEvery 7 monthsEvery 4 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size91 MB38 MB
Age rating4+4+
DeveloperMarlon HoldenKevin Kessler

In-app purchases

1 purchases

Graylight

Subscriptions1
  • Subscription2 variants$9.991 Month
None

VA Math Buster

No in-app purchases

Questions

Is Graylight free?
Graylight is free to download, with in-app purchases available.
Is VA Math Buster free?
VA Math Buster is free to download, with no in-app purchases.
Do Graylight or VA Math Buster have ads?
Graylight shows ads; VA Math Buster does not.
Which is updated more often, Graylight or VA Math Buster?
Graylight ships an update every 7 months, and VA Math Buster every 4 weeks. Most recently, Graylight was updated on November 3, 2026 and VA Math Buster on October 31, 2026.

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