DoD Systems Engineering vs RDS 81346
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DoD Systems Engineering
This app serves as a pocket reference for the Department of Defense Systems Engineering Technical Review process. It offers definitions for nearly 250 acronyms, details on Technology Readiness Levels, and in-depth information on review phases and technical processes.
- Acronym lookup (250+ definitions)
- Technology Readiness Level definitions
- Review information by phase
- Phase details (Materiel Solutions Analysis to Operations & Support)
- Technical and technical management processes
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This app provides a handy pocket reference for engineers and logisticians involved in the very complex Department of Defense Systems Engineering Technical Review process. Features include: *Acronym lookup - nearly 250 acronyms defined! *Technology Readiness Level definitions *In-depth review information sorted by phases *In-depth phase information, from Materiel Solutions Analysis through Operations and Support *Comprehensive Information on technical and technical management processes All ThinChip Software apps are now available free of charge.
RDS 81346
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The RDS 81346 app helps you to easily look up classification codes to be used in reference designations for technical systems and their documentation, based on the ISO/IEC 81346 standard series for Reference Designation Systems (RDS) for systems and the IEC 61355 standard for classification of documents. You can easily find the proper classification by searching either for letter codes, definitions or technical terms. You can also quickly find your most recently used classification. Examples of common terms from the standards and industry are available for all classes, making it possible to simply search for the name of an object you want to classify and find the proper class.
Screenshots
Verdict
The clearest difference is iOS requirement: RDS 81346 at 16.4 against DoD Systems Engineering's 26.0. On price, update cadence, 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.
DoD Systems Engineering ships an update every 5 months, RDS 81346 every 3 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.
| Parameter | DoD Systems Engineering | RDS 81346 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 10 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Russell Shannon | System Engineering AS |
In-app purchases
DoD Systems Engineering
No in-app purchases
RDS 81346
No in-app purchases







