Comparison

One Plus Two = 3 vs Ethos Idle

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

Ethos Idle

Guide humanity's progress from its earliest discoveries to the distant future. Manage your tribe's choices, develop over 200 unique ideas, and explore the world. Advance your civilization, unlock bonuses, and enjoy a single-player, offline experience with optional ads.

Highlights
  • Develop over 200 historic ideas
  • Explore and exploit the world
  • Manage tribe choices
  • Unlock exploration bonuses and synergies
  • Prestige mechanic upgrades
  • Customizable challenge scenarios
  • Offline single-player experience
Features
Read full description

Chart the progess of Humanity through the ages, and guide their every discovery from the moment they kindle the first fire to the far future. Develop over 200 unique ideas across three different flavours of thought. Help your people to conquer or make peace with their enemies, explore and exploit the world, and develop projects to meet their needs. Manage your tribe's choices to squeeze out more strength, or sit back and idle as your clan develop on their own. Advance as far as you can take your people, and then collect bonuses to improve future runs. Select varied challenges that change the way the game plays, and combine these challenges to create your own unique scenarios with big rewards. Features: - Over 200 historic ideas to develop, across 3 flavours of thought - Dozens of exploration bonuses and synergies to unlock and exploit - Permanently power up your civilisation with prestige mechanic upgrades - Combine varied challenge conditions to create your own scenarios with powerful rewards - Optional, out-of-the-way ads won't interrupt your experience - A completely offline, single player experience - All game content is accessible for free

Screenshots

One Plus Two = 34 screens
Ethos Idle4 screens

Verdict

The call

The clearest difference is rating: Ethos Idle at 4.8 against One Plus Two = 3's 3.0. Ethos Idle also leads on review sentiment (84% vs 60%) and update cadence (fortnightly vs every 2 months). 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 Ethos Idle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ethos Idle holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Ethos Idle has 239 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 60% of One Plus Two = 3's written reviews are positive against 84% of Ethos Idle's.

UpkeepUpdate frequency

One Plus Two = 3 ships an update every 2 months, Ethos Idle fortnightly. The most recent releases landed on September 7, 2026 and September 25, 2026 respectively.

Scorecard4 real differences · 6 level
One Plus Two = 3 versus Ethos Idle: the parameters behind the verdict, then further details
ParameterOne Plus Two = 3Ethos Idle
PriceFreeFree
Rating3.0 (4 ratings)4.8 (239 ratings) — better
Positive reviews60.0% of reviews84.4% of reviews — better
Number of ratings4239 — better
Update frequencyEvery 2 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size27 MB101 MB
Age rating4+4+
DeveloperAlexey IzvalovGraham Goldstein

Customer experience

One Plus Two = 3

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

Ethos Idle

All ratings239 ratings
Positive93.7%
Neutral3.8%
Negative2.5%
Written reviews64 reviews
Positive84.4%
Neutral9.4%
Negative6.3%

Bugs and requests

One Plus Two = 3

Not enough reviews yet to summarise bugs or requests.

Ethos Idle

Reported bugs

2 issues
  • RNG for challenges is unfair and unfun
  • Unlocking buffs for inaccessible technologies

Requested features

2 requests
  • Option to remove ads entirely
  • Clarification on prestige warp gain multipliers

In-app purchases

2 purchases

One Plus Two = 3

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

Ethos Idle

One-time1
  • x2 Speed$6.99

Questions

Is One Plus Two = 3 free?
One Plus Two = 3 is free to download, with in-app purchases available.
Is Ethos Idle free?
Ethos Idle is free to download, with in-app purchases available.
Which has better reviews, One Plus Two = 3 or Ethos Idle?
Ethos Idle is rated higher. One Plus Two = 3 averages 3.0 out of 5 from 4 ratings, while Ethos Idle averages 4.8 from 239 ratings.
Do One Plus Two = 3 or Ethos Idle have ads?
Both One Plus Two = 3 and Ethos Idle show ads.
Which is updated more often, One Plus Two = 3 or Ethos Idle?
One Plus Two = 3 ships an update every 2 months, and Ethos Idle fortnightly. Most recently, One Plus Two = 3 was updated on September 7, 2026 and Ethos Idle on September 25, 2026.

Other comparisons