Comparison

Idle Idle GameDev vs Grimoire Incremental

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

Head to head
About

Idle Idle GameDev

Create your own idle games without the effort. Unlock jobs, stats, skills, and items to develop your game-making empire. Reset progress for special abilities and complete challenges for more skills and achievements.

Highlights
  • Create idle games
  • Unlockable jobs
  • Stats and skills system
  • Item and research unlocks
  • Game resets for special skills
  • Challenges and achievements
Features
Read full description

Do you want to make your own Idle Game but you're just too lazy? In Idle Idle Gamedev, you have the opportunity to create various idle games while going idle. Different unlockable Jobs 4 Stats with 9 Skills each Many Items and Research to unlock Reset the game to skill special skills Try a challenge to unlock more skills Many Achievements

About

Grimoire Incremental

Engage in a narrative-driven idle or clicker game where your choices shape society and unlock new mechanics. Progress through runs and prestiges with non-formulaic gameplay and optional ads.

Highlights
  • Non-formulaic gameplay
  • Branching narrative choices
  • Idle and clicker mechanics
  • Unlockable mechanics
  • Opt-in ads for bonuses
  • Single in-app purchase option
Features
Read full description

NON-FORMULAIC GAMEPLAY Make real choices through spells to favour, interactions with the populace, and other arcane projects. Focus on combining thematic effects to wield great power. Choose between idle and clicker mechanics as you progress through runs and prestiges. BRANCHING CHOICES Choose how you'll use the magic available to you to shape society, and witness the impact through a changing story and play style. COMPELLING NARRATIVE Experience a broad story arc that grows as you progress, and branches with the choices you make and actions you take. MANY AND VARIED MECHANICS Unlock new ways to make those numbers bigger with practice, research, spells, creations, lifestyle and expeditions. Each new mechanic offers a different twist and provides new opportunities for strategy. NO OBLIGATION Adverts are opt-in for a bonus only. No content is blocked behind ad walls. Single in-app purchase removes ad button and gives boost forever.

Screenshots

Idle Idle GameDev4 screens
Grimoire Incremental4 screens

Verdict

The call

The clearest difference is update cadence: Idle Idle GameDev at every 3 weeks against Grimoire Incremental's every 3 months. Grimoire Incremental's advantage is review sentiment (87% vs 77%). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Idle Idle GameDev sells 7 one-off in-app purchases and Grimoire Incremental 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

On the App Store both sit at effectively the same score — 4.8 for Idle Idle GameDev against 4.8 for Grimoire Incremental. Both are backed by a comparable volume of ratings — 818 and 561 respectively. Written reviews are what separate them: 77% of Idle Idle GameDev's written reviews are positive against 87% of Grimoire Incremental's.

UpkeepUpdate frequency

Idle Idle GameDev ships an update every 3 weeks, Grimoire Incremental every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Idle Idle GameDev versus Grimoire Incremental: the parameters behind the verdict, then further details
ParameterIdle Idle GameDevGrimoire Incremental
PriceFreeFree
Rating4.8 (818 ratings)4.8 (561 ratings) — better
Positive reviews76.6% of reviews87.0% of reviews — better
Number of ratings818 — better561
Update frequencyEvery 3 weeks — betterEvery 3 months
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
Size59 MB70 MB
Age rating4+9+
DeveloperLutz SchoenfelderGraham Goldstein

Customer experience

Idle Idle GameDev

All ratings818 ratings
Positive96.7%
Neutral1.3%
Negative2.0%
Written reviews94 reviews
Positive76.6%
Neutral5.3%
Negative18.1%

Grimoire Incremental

All ratings544 ratings
Positive96.0%
Neutral1.5%
Negative2.6%
Written reviews108 reviews
Positive87.0%
Neutral5.6%
Negative7.4%

User reviews

Idle Idle GameDev

From 818 App Store ratings

What we love

  • 👍 Fun gameplay
  • 🚀 Engaging progression
  • 💡 Unique concept
  • 🎮 Great for casual play

Room to improve

  • 🐛 Bugs and glitches
  • 🕹️ Unresponsive controls
  • 📊 Imbalanced economy
  • 🔋 Performance issues

Grimoire Incremental

From 561 App Store ratings

What we love

  • 🚀 Great game
  • 👍 Simplicity and minimalism
  • 👍 Non-intrusive ads
  • 👍 Engaging gameplay
  • 👍 Rewarding progression

Room to improve

  • 🐛 Occasional crashes
  • 🐛 Slow progress in late game
  • 🐛 Imbalanced builds
  • 🐛 Lack of content variety

Bugs and requests

Idle Idle GameDev

Reported bugs

4 issues
  • Skill points not updating correctly
  • Game quality fluctuations
  • Player count cap issue
  • Data loss on app crashes

Requested features

4 requests
  • In-game tutorial
  • More content updates
  • Improved save/export system
  • Better UI/UX

Grimoire Incremental

Reported bugs

2 issues
  • Progress loss on crash
  • Compatibility issues on older devices

Requested features

4 requests
  • More content and updates
  • Better late-game balance
  • Detailed progression tracking
  • Story expansion

In-app purchases

7 purchases

Idle Idle GameDev

One-time7
  • 250 Bonus Points$4.99
  • No Ads$9.99
  • Starter Pack$9.99
Show 4 more
  • 512 Bonus Points$9.99
  • Dev Pack$49.99
  • 2560 Bonus Points$49.99
  • 5200 Bonus Points$99.99
1 purchases

Grimoire Incremental

One-time1
  • Remove Advertisements$6.99

Questions

Is Idle Idle GameDev free?
Idle Idle GameDev is free to download, with in-app purchases available.
Is Grimoire Incremental free?
Grimoire Incremental is free to download, with in-app purchases available.
Which has better reviews, Idle Idle GameDev or Grimoire Incremental?
Grimoire Incremental is rated higher. Idle Idle GameDev averages 4.8 out of 5 from 818 ratings, while Grimoire Incremental averages 4.8 from 561 ratings.
Do Idle Idle GameDev or Grimoire Incremental have ads?
Both Idle Idle GameDev and Grimoire Incremental show ads.
Which is updated more often, Idle Idle GameDev or Grimoire Incremental?
Idle Idle GameDev ships an update every 3 weeks, and Grimoire Incremental every 3 months. Most recently, Idle Idle GameDev was updated on November 3, 2026 and Grimoire Incremental on November 7, 2026.

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