CSS NRTC vs TH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CSS NRTC
Access Navy training courses and study manuals for administrative and supply ratings. Learn on the go, with or without internet, and submit completion for your Electronic Training Jacket.
- Rate training courses for administrative ratings
- Rate training courses for supply ratings
- General skills and training manuals
- Offline access to courses and study tools
- Submit course completion to ETJ
- Preparation for specialty positions
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The Center for Service Support Non-Resident Training Course (CSS NRTC) mobile application offers rate training courses for Administrative and Supply community ratings. The app also offers general skills and training manuals for Sailors working in Customer Service, Enlisted Aides, Educational Services Officers and all Navy Instructors. Sailors can take courses and use study tools wherever they are, with or without an internet connection. Sailors who achieve a minimum passing score can submit course completion information and have it posted in their Electronic Training Jacket (ETJ) in two to four business days. While most NRTCs focus on Sailors taking advancement exams, non-rating-specific training manuals are ideal for Sailors preparing to move into specialty positions such as Navy Instructor, Educational Services Officer, or Enlisted Aide. Whether you are an experienced Sailor studying for an advancement exam, a new recruit getting a head start on your future career, or a Sailor simply refreshing your knowledge of your field, the CSS NRTC app has what you need to get the job done! KEY FEATURES The CSS NRTC app provides non-resident training courses for: -- Eight administration Community ratings: Educational Services Officer (ESO), Legalman (LN), Mass Communication Specialist (MC), Musician (MU), Navy Counselor Supervisory, Personnel Specialist (PS), Religious Program Specialist (RP), Yeoman/Yeoman Submarine (YNS) -- Five supply Community ratings: Command Official Mail, Culinary Specialist (CS) / Culinary Specialist Submarine (CSS), Logistics Specialist (LS), Navy Postal Operations and Retail Services Specialist (RS) -- Other training courses: - Culinary Specialist Executive Services Program (CS ESP) Handbook - Navy Customer Service Manual - Navy Instructional Theory Manual
TH
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TH-73A Pocket Guide TH-73A Pocket Guide is a fast, focused study tool designed for Navy and Marine Corps helicopter students who need immediate access to aircraft knowledge—anytime, anywhere. With over 490 flashcards covering 22 different TH-73A aircraft systems, this app puts critical information at your fingertips for quick review, chair-flying, and targeted study sessions. KEY FEATURES Instant Access Learning Jump straight into more than 490 flashcards covering all major TH-73A aircraft systems, without menus or delays. Operating Limitations & Emergency Procedures A dedicated Learning section provides structured access to Operating Limitations and Emergency Procedures, making it easy to review high-priority material. Blur Mode for Active Recall Enable Blur Mode to hide critical values. Mentally state the limitation or parameter first, then tap the card to reveal the answer—perfect for reinforcing memory and improving recall under pressure. Custom Emergency Procedure Focus Choose from 13 selectable Emergency Procedure topics to create a custom study deck tailored to your current area of concentration. Notes, Cautions, and Warnings Control Customize your cards by selecting whether Notes, Cautions, or Warnings are included, allowing you to scale study intensity based on your training phase. Intuitive Card Interaction Swipe right to remove a mastered card from the deck. Swipe left to add a card back for continued review. This keeps study sessions efficient and adaptive. Built for Aviation Students Designed specifically for military flight training workflows, with fast navigation, clear presentation, and no distractions. Whether preparing for events, reinforcing systems knowledge, or sharpening emergency procedures, TH-73A Pocket Guide delivers focused, effective learning—exactly when you need it. Train smarter. Review faster. Fly prepared.
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Verdict
The clearest difference is price: CSS NRTC at Free against TH's $12.99. CSS NRTC also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.7). On ads and in-app purchases 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
CSS NRTC is free to download; TH costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CSS NRTC | TH |
|---|---|---|
| Price | Free — better | $12.99 |
| Rating | 3.5 (8 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 8 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.7 |
| Further details — not scored | ||
| Size | 89 MB | 11 MB |
| Age rating | 12+ | 4+ |
| Developer | Program Executive Office for Enterprise Information Systems, Sea Warrior Program | David Spicer |
In-app purchases
CSS NRTC
No in-app purchases
TH
No in-app purchases









