Comparison

Grimoire Incremental vs Unnamed Space Idle

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

Head to head
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.

About

Unnamed Space Idle

Engage in an endless sci-fi idle game battling alien waves. Customize your ship with unlockable weapons and defenses, and strategically upgrade various systems to increase your power. Make impactful decisions to counter enemy types and progress through a well-paced unfolding experience.

Highlights
  • Destroy alien waves
  • Customize ship with weapons/defenses
  • Unlockable systems and upgrades
  • Strategic decision-making
  • Progression and prestige systems
  • Craft and improve modules
Features
Read full description

No ads! Destroy unending waves of alien ships in this long form, unfolding, sci-fi idler. Unnamed Space Idle is an unfolding sci-fi idle game that plunges you into a relentless battle against an alien menace that has decimated humanity. Voted r/incremental_games "Best F2P game" 2024 & 2025. Customize your ship with an array of progressively unlocked weapons and defenses, strategically tailored to counter specific enemy types. With a plethora of unfolding systems and abundant options, you'll face crucial choices as you steadily increase you power through progression and prestige. A Myriad of Different Systems Discover over 10 distinct systems, each offering unique mechanics that evolve and expand over time. Core - Upgrade your Weapon, Defense and Utility cores with salvage gathered from enemies. Compute - Improve your combat stats over time in traditional Idle Game fashion Synth - Craft and improve modules and recipes to increase your power in various ways. Void Device - Slot in void shards dropped by enemies for different combinations of upgrades. Prestige - Unlock different ships, weapons, defenses and utilities. Reactor - Feed void matter into your reactor to power various system boosts. Research - Harness the research data obtained from different sectors to unlock various upgrades. And More... Impactful, Understandable Decisions Choose wisely when equipping your ship with weapons and defenses, selecting power-altering modules, or determining the optimal combination of shards to use. The distinction between optimal and sub-optimal choices can significantly impact your progress. But while there are a lot of decisions to be made, they are all plainly understandable so that the optimum, or at least very near optimum decision making is within your grasp! Consistent Progress and Unlocks Well paced progression combined with the amount of different systems, upgrades and enemies, means something new is frequently just around the corner.

Screenshots

Grimoire Incremental4 screens
Unnamed Space Idle4 screens

Verdict

The call

The clearest difference is ads: Unnamed Space Idle at none against Grimoire Incremental's shown. Unnamed Space Idle also leads on update cadence (every 2 days vs every 3 months). Grimoire Incremental's advantage is rating (4.8 vs 4.6) and review sentiment (87% vs 77%). On price, ratings volume, in-app purchases and monetization model 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. Grimoire Incremental sells 1 one-off in-app purchase and Unnamed Space Idle sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Grimoire Incremental holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 556 and 241 respectively. Written reviews point the same way: 87% of Grimoire Incremental's written reviews are positive against 77% of Unnamed Space Idle's.

UpkeepUpdate frequency

Grimoire Incremental ships an update every 3 months, Unnamed Space Idle every 2 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Grimoire Incremental versus Unnamed Space Idle: the parameters behind the verdict, then further details
ParameterGrimoire IncrementalUnnamed Space Idle
PriceFreeFree
Rating4.8 (556 ratings) — better4.6 (241 ratings)
Positive reviews87.0% of reviews — better77.2% of reviews
Number of ratings556 — better241
Update frequencyEvery 3 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015
Further details — not scored
Size70 MB126 MB
Age rating9+9+
DeveloperGraham GoldsteinJDOG CORP

Customer experience

Grimoire Incremental

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

Unnamed Space Idle

All ratings203 ratings
Positive86.7%
Neutral2.0%
Negative11.3%
Written reviews101 reviews
Positive77.2%
Neutral5.9%
Negative16.8%

User reviews

Grimoire Incremental

From 556 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

Unnamed Space Idle

From 241 App Store ratings

What we love

  • 👍 Addictive gameplay
  • 👍 Deep and complex mechanics
  • 👍 Constantly evolving game
  • 👍 Frequent updates
  • 👍 Free-to-play friendly

Room to improve

  • 📱 Tiny UI elements
  • 📱 Small font size
  • 📱 Unreadable text on mobile
  • 📱 UI not optimized for mobile
  • 📱 Difficult to interact with buttons

Bugs and requests

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

Unnamed Space Idle

Reported bugs

15 issues
  • UI is too small on mobile devices
  • Font size is too small, making text unreadable
  • Game crashes during fleet auto battles
  • Cannot open on iPadOS 14.8.1
  • Game freezes when playing on mobile network
Show 10 more
  • AI Smart Crafting not working
  • Module queue automation doesn't correctly identify materials
  • Buttons for base upgrades not working after last update
  • Small text and UI elements make interaction difficult
  • Game stuck in landscape mode
  • Dark red text on black background is hard to read
  • UI elements overlap or are difficult to press
  • Some text and buttons are too small to read or interact with on smaller phones
  • The game is not optimized for mobile screens, leading to unreadability and difficulty in control
  • Inability to copy and paste

Requested features

12 requests
  • UI rework for mobile
  • Improve UI readability
  • Optimize UI for smaller screens
  • Add French translation
  • Add Turkish language support
Show 7 more
  • Option to restart game
  • Better mobile screen utilization
  • Adjust module queue automation
  • Fix AI smart crafting
  • Improve collision detection for projectiles
  • Consider fantasy-oriented theme
  • Add audio to the game

In-app purchases

1 purchases

Grimoire Incremental

One-time1
  • Remove Advertisements$6.99
15 purchases

Unnamed Space Idle

One-time15
  • Spacezard 400 AIPoints$1.99
  • Spaceversary 400 AI Points$1.99
  • Spacemas 400 AI Points$1.99
Show 12 more
  • 200 AI Points$1.99
  • QOL Bundle$2.49
  • Spacezard Bundle$2.99
  • Spacemas Bundle$2.99
  • RetroFuture Cosmetic$3.99
  • Spaceversary Bundle$3.99
  • Steampunk Cosmetic$3.99
  • 550 AI Points$4.99
  • Essentials Bundle$4.99
  • 1200 AI Points$9.99
  • Advanced Bundle$9.99
  • 2600 AI Points$19.99

Questions

Is Grimoire Incremental free?
Grimoire Incremental is free to download, with in-app purchases available.
Is Unnamed Space Idle free?
Unnamed Space Idle is free to download, with in-app purchases available.
Which has better reviews, Grimoire Incremental or Unnamed Space Idle?
Grimoire Incremental is rated higher. Grimoire Incremental averages 4.8 out of 5 from 556 ratings, while Unnamed Space Idle averages 4.6 from 241 ratings.
Do Grimoire Incremental or Unnamed Space Idle have ads?
Grimoire Incremental shows ads; Unnamed Space Idle does not.
Which is updated more often, Grimoire Incremental or Unnamed Space Idle?
Grimoire Incremental ships an update every 3 months, and Unnamed Space Idle every 2 days. Most recently, Grimoire Incremental was updated on October 24, 2026 and Unnamed Space Idle on October 27, 2026.

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