Exponential Idle vs Grimoire Incremental
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Exponential Idle
Engage in a math-inspired incremental game where you strategically stack virtual money through exponential growth. Advance through time, make variable changes, and purchase upgrades to accelerate your earnings and unlock achievements.
- Exponential growth mechanics
- Time progression
- Change of variables
- Buy upgrades
- Earn virtual money
- Unlock achievements
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Play Exponential Idle, a math-inspired incremental game. Your goal is to stack up money by taking advantage of exponential growth. To do so, you have to step through time by tapping the equation or simply let the time follow its course. You can perform change of variables to accelerate the process, buy upgrades, get rewards, and unlock achievements while earning virtual money.
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.
- Non-formulaic gameplay
- Branching narrative choices
- Idle and clicker mechanics
- Unlockable mechanics
- Opt-in ads for bonuses
- Single in-app purchase option
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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
Verdict
The clearest difference is update cadence: Exponential Idle at every 3 weeks against Grimoire Incremental's every 3 months. Exponential Idle also leads on ratings volume (4.1K vs 544) and iOS requirement (8.0 vs 15.0). On price, rating, review sentiment 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. Exponential Idle sells 4 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.
On the App Store both sit at effectively the same score — 4.9 for Exponential Idle against 4.8 for Grimoire Incremental. That said, the two scores are not equally well evidenced: Exponential Idle has 4.1K ratings behind it against 544, so its average is the more settled of the two. Written reviews are what separate them: 92% of Exponential Idle's written reviews are positive against 87% of Grimoire Incremental's.
Exponential Idle ships an update every 3 weeks, Grimoire Incremental every 3 months. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.
| Parameter | Exponential Idle | Grimoire Incremental |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (4.1K ratings) — better | 4.8 (544 ratings) |
| Positive reviews | 91.8% of reviews — better | 86.9% of reviews |
| Number of ratings | 4.1K — better | 544 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 95 MB | 70 MB |
| Age rating | 4+ | 9+ |
| Developer | Gilles-Philippe Paille | Graham Goldstein |
Customer experience
Exponential Idle
Grimoire Incremental
User reviews
Exponential Idle
From 4.1K App Store ratingsWhat we love
- 👍 Great and addicting game
- 👍 Interesting story and educational
- 👍 Numbers go big
- 👍 User-friendly with good descriptions
- 👍 Highly automated progression
Room to improve
- 🐛 Occasional bugs and glitches
- ⏱️ Slow progression after initial stages
- 🕹️ Difficult mini-games
- 🔒 Harsh time-change penalty
- 🔋 Potential performance issues on some devices
Grimoire Incremental
From 544 App Store ratingsWhat 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
Exponential Idle
Reported bugs
3 issues- Puzzle mini-games not loading correctly
- Offline progress issues after updates
- Occasional app crashes
Requested features
5 requests- More mini-games and challenges
- Better explanations for advanced mechanics
- Adjustable color schemes and visual customization
- Improved offline progress tracking
- Smoother performance and optimization
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
Exponential Idle
- Donate$0.99
- Permanent Ad Reward$1.99
- Donate$1.99
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- Donate$3.99
Grimoire Incremental
- Remove Advertisements$6.99
Questions
Is Exponential Idle free?
Is Grimoire Incremental free?
Which has better reviews, Exponential Idle or Grimoire Incremental?
Do Exponential Idle or Grimoire Incremental have ads?
Which is updated more often, Exponential Idle or Grimoire Incremental?
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