Comparison

One Plus Two = 3 vs Diagnosis Queen

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

Head to head
About

One Plus Two = 3

Engage your mind with a unique puzzle game that blends numbers and letters. Solve challenges by translating numerical values into descriptive phrases using a given set of letters. Earn power-ups as you progress through increasingly complex mathematical and linguistic riddles.

Highlights
  • Number to phrase translation
  • Mathematical operations integration
  • Use all provided letters
  • Result must match target number
  • Power-up rewards
  • Hidden gameplay hints
Features
Read full description

This is the new type of puzzle which involves spelling and math. You see a number. You have a set of letters, which describe this numbers. You start from such simple tasks as 1 = one to such phrases as 14 = three times four plus two There is a pure math fun in solving them. There are several types of hints, which can help you become an ultimate problem solver: - you should always use all the letters to fill in the blank spaces - the result of the phrase should be equal to the number atop of the screen - you'll know what math operations are involved in phrase building - after several successful answers you'll earn "open a random word" powerup - there is also one more hidden hint, which you'll notice after some time of playing. One Plus Two = 3 is a great way of spending time solving puzzles.

About

Diagnosis Queen

Test your medical knowledge by quickly matching symptoms to diagnoses. Advance your career from intern to Chief of Medicine in this fast-paced game. Utilize helpful tools to beat the clock and become the ultimate Diagnosis Queen.

Highlights
  • Match symptoms to diagnoses
  • Career progression system
  • In-game power-ups
  • Game Center integration
  • Playful learning for medical professionals
Features
Read full description

In Diagnosis Queen, you combine medical knowledge with speed. Find the matching pairs of symptoms and diagnoses before time runs out! Do you have what it takes to become the Diagnosis Queen? The Challenge: Match classic symptoms and clinical findings with the correct medical conditions. What do you do with a "unilaterally swollen leg"? That's right – deep vein thrombosis! But watch out: the clock is ticking, and the cases are getting trickier. Your Career Ladder: Start in your pre-clinical years and work your way up! Through clinical rotations and your internship, your path leads all the way to Chief of Medicine. Will you achieve the ultimate status of Diagnosis Queen? Your Equipment: Stethoscope: Highlights the first tile of a matching pair. Lollipop: Instantly solves the next pair. Coffee: Grants you 10 extra seconds of time. Features: Playful Learning: Perfect for medical students, nurses, and amateur diagnosticians. Game Center Integration: Compete with friends and colleagues worldwide. Beautiful Design: Lovingly crafted characters and smooth gameplay. Are you ready for your first shift? Download Diagnosis Queen now and kickstart your career!

Screenshots

One Plus Two = 34 screens
Diagnosis Queen4 screens

Verdict

The call

The clearest difference is review sentiment: Diagnosis Queen at 100% against One Plus Two = 3's 60%. Diagnosis Queen also leads on update cadence (every 9 days vs every 2 months). One Plus Two = 3's advantage is device support (3 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. One Plus Two = 3 sells 2 one-off in-app purchases and Diagnosis Queen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

One Plus Two = 3 ships an update every 2 months, Diagnosis Queen every 9 days. The most recent releases landed on October 8, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
One Plus Two = 3 versus Diagnosis Queen: the parameters behind the verdict, then further details
ParameterOne Plus Two = 3Diagnosis Queen
PriceFreeFree
Rating3.0 (4 ratings) — better—
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size27 MB135 MB
Age rating4+17+
DeveloperAlexey IzvalovSven Rothsching

Customer experience

One Plus Two = 3

All ratings4 ratings
Positive25.0%
Neutral50.0%
Negative25.0%
Written reviews5 reviews
Positive60.0%
Neutral40.0%
Negative0.0%

Diagnosis Queen

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

One Plus Two = 3

One-time2
  • 100 Hint Bulbs$0.99
  • 1000 Hint Bulbs$4.99
1 purchases

Diagnosis Queen

One-time1
  • Diagnosis Queen Gold$0.49

Questions

Is One Plus Two = 3 free?
One Plus Two = 3 is free to download, with in-app purchases available.
Is Diagnosis Queen free?
Diagnosis Queen is free to download, with in-app purchases available.
Do One Plus Two = 3 or Diagnosis Queen have ads?
Both One Plus Two = 3 and Diagnosis Queen show ads.
Which is updated more often, One Plus Two = 3 or Diagnosis Queen?
One Plus Two = 3 ships an update every 2 months, and Diagnosis Queen every 9 days. Most recently, One Plus Two = 3 was updated on October 8, 2026 and Diagnosis Queen on October 28, 2026.

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