Comparison

DoD Systems Engineering vs Queen Elizabeth II

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

Queen Elizabeth II

Explore the life and reign of Queen Elizabeth II, the longest-reigning British monarch. Discover historical events, details about her devoted public service, and insights into life in Britain during her 70-year tenure. Includes information on jubilees, prime ministers, and royal succession.

Highlights
  • Biography of Queen Elizabeth II
  • Details on Diamond and Platinum Jubilees
  • Information on UK monarchs and succession
  • Historical context of her reign
  • Lists of Prime Ministers
  • Wiki hyperlinks for further research
Features
Currently charting
Read full description

On 9 September 2015, Elizabeth II, Head of State of the UK and other Commonwealth Realms, surpassed the reign of her great-great-grandmother, Queen Victoria. Learn about this most respected of rulers - Her Royal Highness reigned for 70 years and 214 days, with a life of devotion and dignity. The year 2022 saw the Platinum Jubilee celebrations for her reign – the first British monarch to reach this milestone. This app is a tribute to Her Majesty and her life devoted to public service. It contains all sorts of interesting information about her reign. All of the information is stored locally, but there are wiki hyperlinks throughout allowing access to more detailed information. > Learn about the spectacular events that took place in the 2012 Diamond Jubilee celebrations. > Read about the life of Queen Elizabeth. > Find out about other monarchs who have celebrated Jubilees. > Discover what life was like in Britain 70 years ago. > Read about the music charts and food prices when Queen Elizabeth came to the throne. > See which 15 Prime Ministers have served under The Queen during the 70 years. > Study a list of all of the Kings and Queens who went before her. > Read the list of the next 100 people in the line of succession.

Screenshots

DoD Systems Engineering4 screens
Queen Elizabeth II4 screens

Verdict

The call

The clearest difference is price: DoD Systems Engineering at Free against Queen Elizabeth II's $0.99. Queen Elizabeth II's advantage is rating (5.0 vs 3.8) and review sentiment (75% vs 50%). On ratings volume, 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

DoD Systems Engineering is free to download; Queen Elizabeth II costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Queen Elizabeth II holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 50% of DoD Systems Engineering's written reviews are positive against 75% of Queen Elizabeth II's.

UpkeepUpdate frequency

DoD Systems Engineering ships an update every 5 months, Queen Elizabeth II every 7 months. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

Scorecard7 real differences · 4 level
DoD Systems Engineering versus Queen Elizabeth II: the parameters behind the verdict, then further details
ParameterDoD Systems EngineeringQueen Elizabeth II
PriceFree — better$0.99
Rating3.8 (4 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews75.0% of reviews — better
Number of ratings4 — better2
Update frequencyEvery 5 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#182 — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.012.0 — better
Further details — not scored
Size10 MB11 MB
Age rating4+4+
DeveloperRussell ShannonHamiltonsApps

Customer experience

DoD Systems Engineering

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Queen Elizabeth II

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

DoD Systems Engineering

No in-app purchases

None

Queen Elizabeth II

No in-app purchases

Questions

Is DoD Systems Engineering free?
DoD Systems Engineering is free to download, with no in-app purchases.
Is Queen Elizabeth II free?
Queen Elizabeth II costs $0.99, with no in-app purchases.
Which has better reviews, DoD Systems Engineering or Queen Elizabeth II?
Queen Elizabeth II is rated higher. DoD Systems Engineering averages 3.8 out of 5 from 4 ratings, while Queen Elizabeth II averages 5.0 from 2 ratings.
Do DoD Systems Engineering or Queen Elizabeth II have ads?
Neither DoD Systems Engineering nor Queen Elizabeth II shows ads.
Which is updated more often, DoD Systems Engineering or Queen Elizabeth II?
DoD Systems Engineering ships an update every 5 months, and Queen Elizabeth II every 7 months. Most recently, DoD Systems Engineering was updated on October 14, 2026 and Queen Elizabeth II on October 23, 2026.

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