Marble Inc. vs Dev Idle
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Marble Inc.
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MARBLE INC. Dig deep, roll far, earn big! Take charge of an underground marble mining company. Spawn cheerful glossy marbles, send them rolling down winding tracks to their workplaces, and turn every little worker into a coin-making machine. HOW YOUR EMPIRE GROWS โข SPAWN & ROLL: Tap (or hold!) to send marble workers tumbling down paths into the mine โข BUILD YOUR MINE: Expand masteries, workplaces, transport lines and storage, floor by floor โข 48 UNIQUE UPGRADES: Every single one with its own handcrafted art โข 16 PRECIOUS MINERALS: Climb from humble Rock and Magma all the way to legendary rare minerals โข CATCH THE RAINBOW: A lucky rainbow marble may join the run โ tap it before it escapes for a big payout โข PRESTIGE: Retire as a Marble King, restart with powerful permanent bonuses and mine even deeper โข ACTIVE PLAY PAYS: Marbles rolling on screen multiply your income; keep them coming! โข OFFLINE EARNINGS: Your mine keeps working while you are away; come back to a storage full of goods RELAXING BUT DEEP Easy to pick up, satisfying to optimize. Balance your production, transport and storage capacity, time your prestige runs, and chase that next big multiplier. FAIR & FRIENDLY โข Free to play: optional token packs if you want to speed things up โข Rewarded ads are optional: watch one only when you want a free upgrade โข Play offline anytime; progress saved safely in the cloud Grab your hard hat and start mining now!
Dev Idle
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You started by pasting an answer off Stack Overflow. Twelve tiers later you are running an autonomous agent fleet, a server farm and a quantum compiler, and the changelog has started calling the next one The Singularity. Dev Idle is an idle game about being an iOS developer, made by one. Tap to write code, hire the pipeline that writes it for you, then ship a version and do the whole thing again, faster. THE LOOP โข BUILD โ Twelve generator tiers, from "Stack Overflow copy-paste" to "The Singularity". Every 10, 25, 50 and 100 you own doubles that tier's output. Forever. There is no last milestone. โข SHIP โ Submit a version for App Review, wait out the thirty-minute queue like the rest of us, and bank Reputation for a permanent income multiplier. This wait is the game's clock, and yes, that is the joke. โข LAB โ Every ship also pays Commits, which buy permanent upgrades that survive every reset. A bad run still pays. No run is wasted. โข SHOP โ Conference Tickets buy time, never content: expedite a review, double an offline haul, or collect eight hours at once. โข PASS โ A four-week Sprint Pass season, 50 tiers, earned entirely by playing. THE PART THAT MAKES IT LAST Get big enough and you can IPO. Trade your whole Reputation for Shares, raise the level cap on every permanent upgrade, and watch the forty hours of progress you just gave up come back in four. Then the horizon moves again. BALANCED BY SIMULATION, NOT BY VIBES The economy runs in a harness that plays thousands of prestige cycles before a number ships. Tier 4 inside two minutes. Your first version out the door in about an hour. The Singularity considerably later. THINGS WE CARED ABOUT โข Offline earnings, with a proper "while you were away" report when you come back. โข A Live Activity that counts your App Review down on the Lock Screen and in the Dynamic Island. โข Unlockable editor themes. All of them dark, because it is that kind of game. โข Every number monospaced, so counters tick without jittering. โข No ads. Not between screens, not for a bonus, not ever โ there is no ad code in the app at all. โข Plays entirely offline. No account, no sign-up, nothing personal collected โ no name, no email, no advertising identifier, no tracking. Your save syncs through your own iCloud. FREE TO PLAY, AND MEANT IT Optional purchases shorten the road. Not one of them unlocks content you cannot reach by playing, because a wall you cannot climb is a game you stop opening. Dev Idle Pro โ $4.99 per month with a 7-day free trial: ร2 income, offline earnings at full rate with double the cap, a bigger daily Ticket bonus, an exclusive editor theme, and every season's premium Sprint Pass track included. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of that period. Manage or cancel it in Settings โบ Apple Account โบ Subscriptions. Any unused portion of the free trial is forfeited when you buy the subscription. Terms of Use: https://devidle.petrina.me/terms Privacy Policy: https://devidle.petrina.me/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Dev Idle at none against Marble Inc.'s shown. Dev Idle also leads on update cadence (daily vs every 9 days). Marble Inc.'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Marble Inc. sells 8 one-off in-app purchases and Dev Idle sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Marble Inc. ships an update every 9 days, Dev Idle daily. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Marble Inc. | Dev Idle |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Daily โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 180 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Yucel AYCICEK | David Petrina |
In-app purchases
Marble Inc.
- Diamond Pack 1$0.99
- Diamond Pack 2$1.99
- Diamond Pack 5$4.99
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- Diamond Pack 10$9.99
- Diamond Pack 15$14.99
- Diamond Pack 25$24.99
- Diamond Pack 35$34.99
- Diamond Pack 80$79.99
Dev Idle
- Dev Idle Pro7 Days trial$4.991 Month
- Hotfix โ 100 Tickets$0.99
- Starter Pack$1.99
- Sprint Pass Premium Track$2.99
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- Monthly Card โ 40 a Day$3.99
- Overtime$4.99
- Sprint โ 600 Tickets$4.99
- Release โ 1,400 Tickets$9.99
- Major Version โ 3,200 Tickets$19.99
- Enterprise โ 9,000 Tickets$49.99
Questions
Is Marble Inc. free?
Is Dev Idle free?
Do Marble Inc. or Dev Idle have ads?
Which is updated more often, Marble Inc. or Dev Idle?
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