DAIG Bookshelf vs My CarsMaster VIP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DAIG Bookshelf
Access a local library of commonly used, publicly available Army Inspector General publications. This app is designed for offline use, saving you time and providing essential documents when disconnected.
- Local copy of publications
- Publicly available IG documents
- Time-saving access
- Disconnected use
- Reference material
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The DAIG (Department of the ARMY Inspector General) bookshelf is a time-saving application that provides a local copy of commonly used publicly available IG publications. These are intended for disconnected use.
My CarsMaster VIP
This application allows users to register and communicate directly with the service for an enhanced car buying experience. Receive updates via push notifications and in-app messages. Users can also leave reviews after purchasing a new vehicle.
- User registration
- In-app messaging
- Push notifications
- Vehicle purchase reviews
- Car buying experience enhancement
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My CarsMaster VIP is a free app available for anyone to download and is used for those that want to communicate with My CarsMaster VIP. It is as simple as downloading the App and register as a user. Once registered, you can begin communicating right away. We will reach out to you via push notifications and in-app messaging to improve your overall car buying experience. Once you purchase your new vehicle, feel free to write a review. We appreciate your business. .
Screenshots
Verdict
The clearest difference is rating: My CarsMaster VIP at 4.2 against DAIG Bookshelf's 3.3. DAIG Bookshelf's advantage is update cadence (every 5 weeks vs every 25 months) and iOS requirement (8.0 vs 13.0). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
My CarsMaster VIP holds the better App Store score, 4.2 against 3.3. Both are backed by a comparable volume of ratings — 7 and 5 respectively.
DAIG Bookshelf ships an update every 5 weeks, My CarsMaster VIP every 25 months. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.
| Parameter | DAIG Bookshelf | My CarsMaster VIP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) | 4.2 (5 ratings) — better |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 7 — better | 5 |
| Update frequency | Every 5 weeks — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 402 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | TRADOC Mobile | Pacific Deals |
Customer experience
DAIG Bookshelf
My CarsMaster VIP
In-app purchases
DAIG Bookshelf
No in-app purchases
My CarsMaster VIP
No in-app purchases
