DoD Systems Engineering vs ETS RF Quick Reference
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.
ETS RF Quick Reference
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The ETS RF Quick Reference contains handy offline references for calculations, conversions, searching, and in pocket guides for various topics in the palm of your hand. Topics currently included are Radio Frequency (RF), Wi-Fi, and Linux Networking Commands. Included Converters, Calculators, and Databases in V1.0: dBm to Watts Converter Antenna Length Calculator PSK Calculator OUI Lookup Port Lookup
Screenshots
Verdict
The clearest difference is iOS requirement: ETS RF Quick Reference at 14.0 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, ETS RF Quick Reference every 7 months. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.
| Parameter | DoD Systems Engineering | ETS RF Quick Reference |
|---|---|---|
| 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 — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 26.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Russell Shannon | Emerging Technology Support, LLC |
In-app purchases
DoD Systems Engineering
No in-app purchases
ETS RF Quick Reference
No in-app purchases
