Technical Pocket Guide (STT) vs DAIG Bookshelf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Technical Pocket Guide (STT)
This mobile reference guide offers essential technical knowledge for students, engineers, and technicians. It features a comprehensive search function, customizable bookmarks, and offline access, making it a convenient tool for daily work.
- Mobile technical reference
- Full-text search
- Table of contents with links
- Customizable bookmarks and notes
- Email content sharing
- Offline functionality
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Schaeffler’s Technical Pocket Guide in a new edition! Schaeffler's Technical Pocket Guide provides students of technical degree programs, engineers, and technicians alike a compact and mobile reference work to help them in their day-to-day work. Several chapters have been updated in the new edition and the chapters about tolerances and design elements have been expanded. An overview of the individual features is given below: - You can read the STT on your mobile device - Full-text search function - Table of contents with links to the chapters - Individual bookmarks and notes can be saved - Content can be sent quickly and easily by e-mail - Full offline functionality and contact with Schaeffler Get hold of this technical knowledge as a reference work on your mobile device now!
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.
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Verdict
The clearest difference is rating: Technical Pocket Guide (STT) at 5.0 against DAIG Bookshelf's 3.3. Technical Pocket Guide (STT) also leads on review sentiment (55% vs 25%). DAIG Bookshelf's advantage is update cadence (every 5 weeks vs every 9 months) and ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model 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.
Technical Pocket Guide (STT) holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: DAIG Bookshelf has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of Technical Pocket Guide (STT)'s written reviews are positive against 25% of DAIG Bookshelf's.
Technical Pocket Guide (STT) ships an update every 9 months, DAIG Bookshelf every 5 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | Technical Pocket Guide (STT) | DAIG Bookshelf |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.3 (7 ratings) |
| Positive reviews | 55.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 402 MB |
| Age rating | 4+ | 4+ |
| Developer | Schaeffler Technologies GmbH & Co. KG | TRADOC Mobile |
Customer experience
Technical Pocket Guide (STT)
DAIG Bookshelf
In-app purchases
Technical Pocket Guide (STT)
No in-app purchases
DAIG Bookshelf
No in-app purchases
