Comparison

NAPMobile vs Yellow Book Reference

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

Head to head
About

NAPMobile

Learn parliamentary procedure and Robert's Rules of Order with this official app. It serves as a reference for general knowledge and preparation for professional certification exams. Includes quiz questions and a vote/ballot calculator.

Highlights
  • Parliamentary procedure reference
  • Robert's Rules of Order
  • Exam preparation
  • Quiz questions
  • Vote/ballot calculator
Features
Read full description

Become more knowledgable about parliamentary procedure and Robert’s Rules of Order with the official app of the National Association of Parliamentarians. Use the app as a reference for general parliamentary procedure knowledge and as practice for the NAP membership exam and Registered Parliamentarian exam. Features: Quiz questions Vote/ballot calculator

About

Yellow Book Reference

Features
Currently charting
Read full description

Yellow Book Reference gives you fast, searchable access to the hazard classification data found in the U.S. Army Defense Ammunition Center's Yellow Book, Revision 19 (February 2021). Look up hazard classes and DODIC-related classification information for U.S. military explosives and munitions, all from an offline app built for field and warehouse use. Key features: - Full offline access -- no internet connection required once installed - Fast search across hazard classification data - Clean, mobile-friendly layout for quick field reference - No ads, no account required, no data collection This app is an independent reference tool for ammunition surveillance personnel, safety officers, and logistics staff who need quick access to hazard classification information. It reproduces publicly available reference data for informational purposes only and is not affiliated with, endorsed by, or sponsored by the Department of Defense, U.S. Army, or the Defense Ammunition Center. Always confirm current classifications against official published sources before making operational or safety decisions.

Screenshots

NAPMobile2 screens
Yellow Book Reference4 screens

Verdict

The call

The clearest difference is price: NAPMobile at Free against Yellow Book Reference's $9.99. NAPMobile also leads on iOS requirement (11.0 vs 15.0). Yellow Book Reference's advantage is chart position (#181 vs unranked). On ads, in-app purchases 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

NAPMobile is free to download; Yellow Book Reference costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 8 level
NAPMobile versus Yellow Book Reference: the parameters behind the verdict, then further details
ParameterNAPMobileYellow Book Reference
PriceFree — better$9.99
Rating2.6 (8 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank—#181 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size21 MB3 MB
Age rating4+4+
DeveloperCerenimbusArmando Archuleta

In-app purchases

None

NAPMobile

No in-app purchases

None

Yellow Book Reference

No in-app purchases

Questions

Is NAPMobile free?
NAPMobile is free to download, with no in-app purchases.
Is Yellow Book Reference free?
Yellow Book Reference costs $9.99, with no in-app purchases.
Do NAPMobile or Yellow Book Reference have ads?
Neither NAPMobile nor Yellow Book Reference shows ads.

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