Comparison

DoD Systems Engineering vs RDS 81346

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

RDS 81346

Features
Read full description

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

DoD Systems Engineering4 screens
RDS 813464 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
DoD Systems Engineering versus RDS 81346: the parameters behind the verdict, then further details
ParameterDoD Systems EngineeringRDS 81346
PriceFreeFree
Rating3.8 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS26.016.4 — better
Further details — not scored
Size10 MB42 MB
Age rating4+4+
DeveloperRussell ShannonSystem Engineering AS

In-app purchases

None

DoD Systems Engineering

No in-app purchases

None

RDS 81346

No in-app purchases

Questions

Is DoD Systems Engineering free?
DoD Systems Engineering is free to download, with no in-app purchases.
Is RDS 81346 free?
RDS 81346 is free to download, with no in-app purchases.
Do DoD Systems Engineering or RDS 81346 have ads?
Neither DoD Systems Engineering nor RDS 81346 shows ads.
Which is updated more often, DoD Systems Engineering or RDS 81346?
DoD Systems Engineering ships an update every 5 months, and RDS 81346 every 3 months. Most recently, DoD Systems Engineering was updated on October 14, 2026 and RDS 81346 on October 9, 2026.

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