Comparison

Words Collide vs Energy Transformers

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

Head to head
About

Words Collide

Engage in a clever word-building game where you arrange letters to spell words. Collaborate with friends, discover new vocabulary, and aim for high scores through strategic combos. Unlock upgrades and enjoy different game modes.

Highlights
  • Solo or cooperative play
  • Zen and Adventure modes
  • Combo construction for high scores
  • In-game dictionary for word learning
  • Letter arrangement for word spelling
  • Unlockable upgrades (letters, hints, combos)
Features
Read full description

- Play by yourself or cooperatively with friends. - Relax in Zen Mode, or challenge yourself with Adventure Mode. - Carefully construct combos to achieve high scores! - Discover and learn new words using our in game dictionary. - Arrange letters to spell words; your friends can reuse your words to spell bigger words. - Earn coins to unlock upgrades like extra letters, hints and combos. Start playing Words Collide today!

About

Energy Transformers

An educational game where players explore Australia to learn about renewable energy, air pollution, and climate solutions. Team up with a character from the future to make choices that reduce pollution and power the country sustainably.

Highlights
  • Learn about renewable energy
  • Explore Australia virtually
  • Understand climate solutions
  • Answer multiple-choice challenges
  • Collect fast facts and news nuggets
  • Make sustainable energy choices
Features
Read full description

Fly into the world of Energy Transformers, a fun, immersive and educational mobile game designed for Australian upper primary and lower secondary students. The goal? To give students a positive way to learn about renewable energy, air pollution and climate solutions – with the topics aligned with science and HASS requirements in the Australian Curriculum. Get ready for an adventure where you'll fly around Australia, seeing how the energy we use today affects our health and our environment. Meet Terra, a brilliant teen from the future. She’s come back in time to create a cleaner, healthier Australia. Your mission? To team up with Terra and choose the best ways to cut Australia’s climate pollution and create enough renewable energy to power the country. To complete the game, each player will answer multiple choice challenges, learn from fast facts, and collect news nuggets hidden across Australia. You complete your mission by choosing enough low-emission solutions that are better for our health, our planet, and our wallets. By making the right choices, you’ll also help make our homes and cities better places to live. Energy Transformers is more than a game. Built by energy experts from the Digital Grid Futures Institute, UNSW Sydney, and award-winning game designers Chaos Theory, this game will help students discover the best solutions for powering Australia. Get ready to be a change-maker in your school and community. Your teachers will love this game, and you'll have fun playing it while becoming a champion for a cleaner, healthier Australia. Let's transform the future together with Energy Transformers – the game that gives you the power to make Australia a better place to live.

Screenshots

Words Collide4 screens
Energy Transformers4 screens

Verdict

The call

The clearest difference is review sentiment: Energy Transformers at 80% against Words Collide's 38%. Energy Transformers also leads on in-app purchases (none vs 19) and ads (none vs shown). On price and device support 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. Words Collide sells 19 one-off in-app purchases. Energy Transformers asks for nothing beyond the download.

UpkeepUpdate frequency

Words Collide ships an update every 2 months, Energy Transformers every 3 days. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Words Collide versus Energy Transformers: the parameters behind the verdict, then further details
ParameterWords CollideEnergy Transformers
PriceFreeFree
Rating4.7 (299 ratings) — better—
Positive reviews37.7% of reviews80.0% of reviews — better
Number of ratings299 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size146 MB258 MB
Age rating4+4+
DeveloperLamington Games Pty LtdChaos Theory Games

Customer experience

Words Collide

All ratings299 ratings
Positive91.0%
Neutral6.0%
Negative3.0%
Written reviews106 reviews
Positive37.7%
Neutral14.2%
Negative48.1%

Energy Transformers

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

Words Collide

Reported bugs

6 issues
  • Game resets progress on app close
  • Crashes and freezes on launch
  • Inability to save progress
  • Broken co-op game invitations
  • Sound issues and muting
Show 1 more
  • Compatibility problems on certain devices

Requested features

5 requests
  • Add ability to change username
  • Improve tutorial and instructions
  • Implement cloud/account sync
  • Add more word list options
  • Improve friend/multiplayer functionality

Energy Transformers

Not enough reviews yet to summarise bugs or requests.

In-app purchases

19 purchases

Words Collide

One-time19
  • Sale Spectral Boutique Card$1.99
  • Sale Spectral Robot Card$1.99
  • Sale Spectral Wooden Card$1.99
Show 16 more
  • Sale Banded Tennis Card$1.99
  • Small Coin Pack$1.99
  • Sale Spectral Gold Bar Card$1.99
  • Sale Shiny Candle Card$1.99
  • Sale Spectral Glass Card$1.99
  • Sale Banded Robot Card$1.99
  • Sale Spectral Tennis Card$1.99
  • Classic Boutique Card$2.99
  • ClassicWooden Card$2.99
  • Classic Glass Card$2.99
  • ClassicRounded Card$2.99
  • Classic Candle Card$2.99
  • Starter Pack$3.99
  • Classic Attic Background$3.99
  • Medium Coin Pack$4.99
  • Large Coin Pack$9.99
None

Energy Transformers

No in-app purchases

Questions

Is Words Collide free?
Words Collide is free to download, with in-app purchases available.
Is Energy Transformers free?
Energy Transformers is free to download, with no in-app purchases.
Do Words Collide or Energy Transformers have ads?
Words Collide shows ads; Energy Transformers does not.
Which is updated more often, Words Collide or Energy Transformers?
Words Collide ships an update every 2 months, and Energy Transformers every 3 days. Most recently, Words Collide was updated on October 18, 2026 and Energy Transformers on October 2, 2026.

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