Comparison

Island Saver vs Tool Evolution

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

Head to head
About

Island Saver

Rescue island inhabitants from an erupting volcano by venturing into the jungle, collecting treasure, and building a sanctuary. This game blends endless runner mechanics with strategy world-building for a fun island adventure.

Highlights
  • Rescue island inhabitants
  • Explore jungle environments
  • Collect and deposit treasure
  • Build a beach sanctuary
  • Endless runner mechanics
  • Strategy world-building
Features
Read full description

The volcano is erupting, threatening your island's inhabitants. To rescue them, you must venture into the jungle, locate them, and bring them back to your beach sanctuary. Along the way you can collect, save, and deposit treasure to aid you in your quest, as well as support your growing community. Island Saver is part endless runner, part strategy world builder, and a wealth of island fun! The game is 100% free-to-play (with no in-app purchases). The game is developed by the Games for Entertainment and Learning (GEL) Lab at Michigan State University and supported by the Michigan State University Federal Credit Union.

About

Tool Evolution

Embark on a time-traveling adventure where you control an evolving tool. Harvest resources, craft items, and build worlds across different historical eras and futuristic landscapes. Adapt your tool to new challenges and expand your creations through time.

Highlights
  • Time travel through eras
  • Evolving tool mechanics
  • Idle resource harvesting
  • Crafting and world expansion
  • Historical and futuristic gameplay
Features
Read full description

Tool Evolution: Mine & Evolve lets you experience a unique journey through time as you take on the role of a tool that evolves with each era you visit. From the Jurassic era to the distant future, your tool will adapt and transform, allowing you to build world, mine, and evolve through different historical periods and beyond. Start your adventure in the Jurassic era and help shape the earliest mini world. As you travel through time, your tool will evolve to meet the demands of each age—from medieval life to the Industrial Revolution and into futuristic landscapes. Each era presents new challenges and opportunities to harvest resources and craft essential items. Tool Evolution: Mine & Evolve features: - Time Travel: Journey from the Jurassic era through the Middle Ages, into the future, and beyond. Each period brings its own unique challenges and advancements in this mini world. - Evolving Tools: Your tool evolves according to the age you time travel to, adapting from primitive designs to advanced futuristic technology. - Idle Mining Game: Harvest resources and mine efficiently with your evolving tool. Manage your resources and automate processes as you advance. - Crafting and Expansion: From my little universe to vast planet craft projects, use your tool to develop your little world and beyond. - Historical and Futuristic Gameplay: Witness the transformation of your tool and world through different historical periods and futuristic scenarios. As you explore and conquer each new age, Tool Evolution: Mine & Evolve challenges you to adapt your strategy and make the most of each era's unique resources and technologies. Evolve through time and create a world that reflects the innovations and achievements of every period you encounter. Are you ready to take your tool on an incredible journey through history and the future? Join Tool Evolution: Mine & Evolve and start your evolution adventure!

Screenshots

Island Saver4 screens
Tool Evolution4 screens

Verdict

The call

Island Saver and Tool Evolution both sit at 4.8 stars, but that hides the real split: 75% of Island Saver's written reviews are positive against 20% of Tool Evolution's. Island Saver also leads on in-app purchases (none vs 15) and ads (none vs shown). Tool Evolution's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (12K vs 8). On price, rating 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. Tool Evolution sells 15 one-off in-app purchases. Island Saver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Island Saver against 4.7 for Tool Evolution. That said, the two scores are not equally well evidenced: Tool Evolution has 12K ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 75% of Island Saver's written reviews are positive against 20% of Tool Evolution's.

UpkeepUpdate frequency

Island Saver ships an update every 4 months, Tool Evolution every 3 weeks. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

Scorecard7 real differences · 3 level
Island Saver versus Tool Evolution: the parameters behind the verdict, then further details
ParameterIsland SaverTool Evolution
PriceFreeFree
Rating4.8 (8 ratings) — better4.7 (12K ratings)
Positive reviews75.0% of reviews — better20.2% of reviews
Number of ratings812K — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size465 MB288 MB
Age rating4+4+
DeveloperBrian WinnHOMA GAMES

Customer experience

Island Saver

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Tool Evolution

All ratings12,367 ratings
Positive92.1%
Neutral3.2%
Negative4.6%
Written reviews896 reviews
Positive20.2%
Neutral15.7%
Negative64.1%

Bugs and requests

Island Saver

Not enough reviews yet to summarise bugs or requests.

Tool Evolution

Reported bugs

4 issues
  • Game freezes or gets stuck at certain stages
  • Tools/characters becoming invisible or disappearing
  • Inability to progress past certain levels
  • Progress reset or lost after updates

Requested features

4 requests
  • More content and levels
  • Better balance and progression
  • Improved stability and bug fixes
  • Clearer in-game instructions

In-app purchases

None

Island Saver

No in-app purchases

15 purchases

Tool Evolution

One-time15
  • Gem Offer 1$0.99
  • Resource Pack 1$0.99
  • Gem Pack 2$1.99
Show 12 more
  • Resource Pack 2$1.99
  • Chest Pack 1$1.99
  • Resource Pack 3$2.99
  • Gem Pack 3$2.99
  • No Ads$2.99
  • Resource Pack 4$3.99
  • Resource Pack 5$4.99
  • Starting Pack$4.99
  • Gem Pack 4$5.99
  • Resource Pack 6$5.99
  • Gem Pack 5$9.99
  • Gem Pack 6$19.99

Questions

Is Island Saver free?
Island Saver is free to download, with no in-app purchases.
Is Tool Evolution free?
Tool Evolution is free to download, with in-app purchases available.
Which has better reviews, Island Saver or Tool Evolution?
Island Saver is rated higher. Island Saver averages 4.8 out of 5 from 8 ratings, while Tool Evolution averages 4.7 from 12K ratings.
Do Island Saver or Tool Evolution have ads?
Tool Evolution shows ads; Island Saver does not.
Which is updated more often, Island Saver or Tool Evolution?
Island Saver ships an update every 4 months, and Tool Evolution every 3 weeks. Most recently, Island Saver was updated on October 11, 2026 and Tool Evolution on October 27, 2026.

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