Idle Alchemy Transmutation Lab vs Critical
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Idle Alchemy Transmutation Lab
Become a medieval alchemist and discover new elements starting with air. Combine elements to upgrade your lab, create worlds, and complete planet quests. Enjoy hours of fun with unique elements and animations.
- Discover 19 unique elements
- Upgrade transmutation power
- Create your own world
- Complete 36 planet quests
- Enjoy nice animations
- Receive weekly rewards
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You are the alchemist: medieval mad scientist! All what you have at the start is Air. But then you discover, how to get other elements: Water, Earth, Slime, Rock, Fire and so on! As you alchemy laboratory grows, you can spend elements to upgrade the transmutation power or to create a whole world of you own. Once created, the world will help you boost your laboratory. The game contains: - 19 various and often unexpected elements - 36 planet quests: from atmosphere to dinosaurs - nice animations of elements transmutations and world creation - weekly rewards (check twitter.com/airapport for details) - integrated tutorial And provides hours and days of fun in the mad science and alchemy setting! Start you own idle alchemy adventure and solve the puzzles which nature beholds.
Critical
Manage a reactor to prevent it from becoming critical by delivering water. Earn money over time to unlock permanent upgrades and improve your survival capabilities. Invest wisely to extend your runs and uncover secrets.
- Reactor management
- Incremental income generation
- Permanent upgrades
- Research and secrets
- Survival gameplay
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Stop the reactor from going critical by delivering water. Robots are expensive though, so we use cheap expendable personnel instead. Money earned ramps up incrementally the longer you last. Survive as long as possible to maximize your income! Spend your hard earned cash to unlock permanent upgrades. Invest wisely to make each new run longer than the last. Tons of upgrades to buy, research to be done, and secrets to uncover. Give it a try! The longer you can keep the reactor from exploding, the more money you’ll make. Start small and watch your income grow exponentially as you survive longer and longer. Delay the inevitable cataclysm as long as possible and watch your cashflow go through the roof.
Screenshots
Verdict
Idle Alchemy Transmutation Lab and Critical both sit at 4.5 stars, but that hides the real split: 68% of Idle Alchemy Transmutation Lab's written reviews are positive against 18% of Critical's. Critical's advantage is update cadence (fortnightly vs every 7 months). On price, rating, ratings volume and ads 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. Idle Alchemy Transmutation Lab sells 4 one-off in-app purchases and Critical sells 17 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for Idle Alchemy Transmutation Lab against 4.4 for Critical. Both are backed by a comparable volume of ratings — 104 and 125 respectively. Written reviews are what separate them: 68% of Idle Alchemy Transmutation Lab's written reviews are positive against 18% of Critical's.
Idle Alchemy Transmutation Lab ships an update every 7 months, Critical fortnightly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.
| Parameter | Idle Alchemy Transmutation Lab | Critical |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (104 ratings) — better | 4.4 (125 ratings) |
| Positive reviews | 67.9% of reviews — better | 18.2% of reviews |
| Number of ratings | 104 | 125 — better |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 30 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexey Izvalov | WaffleStack Studio LLC |
Customer experience
Idle Alchemy Transmutation Lab
Critical
In-app purchases
Idle Alchemy Transmutation Lab
- Reservoirs booster$1.99
- Bonuses boost$2.99
- Flow booster$3.99
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- No Ads + upgrades 2x cheaper$5.99
Critical
- 100 Gems$2.99
- 100 Gems$4.99
- Remove Ads$7.99
Show 14 moreShow fewer
- 225 Gems$7.99
- Starter Pack$9.99
- Remove All Ads$9.99
- 225 Gems$9.99
- 500 Gems$9.99
- Pro Pack$9.99
- Pro Pack$14.99
- New Player Sale$14.99
- 500 Gems$14.99
- 1400 Gems$19.99
- 800 Gems$19.99
- 1400 Gems$29.99
- 3000 Gems$29.99
- 3000 Gems$39.99
Questions
Is Idle Alchemy Transmutation Lab free?
Is Critical free?
Which has better reviews, Idle Alchemy Transmutation Lab or Critical?
Do Idle Alchemy Transmutation Lab or Critical have ads?
Which is updated more often, Idle Alchemy Transmutation Lab or Critical?
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