# Kernel King vs Dev Idle

The clearest difference is rating: Dev Idle at 5.0 against Kernel King's 4.5. Dev Idle also leads on review sentiment (100% vs 89%). Kernel King's advantage is update cadence (every 6 days vs monthly) and ratings volume (40 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Kernel King sells 10 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.

Dev Idle holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Kernel King has 40 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of Kernel King's written reviews are positive against 100% of Dev Idle's.

Kernel King ships an update every 6 days, Dev Idle monthly. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Kernel King | Dev Idle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (40 ratings)](https://appshunter.io/ios/app/kernel-king/id1072806976/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dev-idle-programmer-clicker/id6804491739/reviews)** |
| Number of ratings | **40** | 1 |
| Positive reviews | 89.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 19 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blake Eckert](https://appshunter.io/developer/1031112881) | [David Petrina](https://appshunter.io/developer/1504156742) |

## What reviewers say

### Kernel King

[App page](https://appshunter.io/ios/app/kernel-king/id1072806976)

Tap to create an endless stream of popcorn in this addictive idle game. Invest in upgrades to pop faster, earn more, and unlock new poppers. Compete with friends and aim to become the ultimate Kernel King.

**Highlights:** Tap to make popcorn, Investments for faster popping, Upgrade popper and recipe, Offline kernel earnings, Unlockable poppers, Prestige system, Bonuses and multipliers

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Double Kernels Per Second | $0.99 | one-time |
| Double Kernels | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Kernel Blast | $1.99 | one-time |
| Shaker of Salt | $1.99 | one-time |
| Treadmill | $1.99 | one-time |
| King Kernel | $4.99 | one-time |
| Salt Mine | $9.99 | one-time |
| Kernel Bomb | $19.99 | one-time |
| Forever 20x | $49.99 | one-time |

**What reviewers like**

- 😊 Highly addictive and engaging gameplay
- 👍 Simple and easy to play mechanics
- 🎮 Fun way to pass time and avoid boredom
- 💰 Can customize without spending real money
- 🎯 Great for all ages including children

**What reviewers complain about**

- 📺 Excessive ads appearing frequently
- 💸 Expensive upgrades and progression
- 🐛 Game crashes and kicks to home screen
- ⏱️ Slow progression and kernel earning
- 🔄 Data loss after crashes

**Reported bugs**

- Game crashes and forces user to home screen
- Data loss when game crashes
- Game won't start without reviewing or advertising
- Glitches causing loss of progress

**Requested features**

- Timer mode to track kernels earned
- Upgrade levels with multipliers for easier progression
- Better tutorial or onboarding instructions
- More diverse upgrades and features


### Dev Idle

[App page](https://appshunter.io/ios/app/dev-idle-programmer-clicker/id6804491739)

Tap to code and build your developer empire, from simple copy-pasting to advanced quantum compilation. Ship versions to earn reputation, unlock permanent upgrades, and eventually IPO for massive boosts. Enjoy an idle game experience with offline earnings and no ads.

**Highlights:** Tap to write code, Hire automated developers, Ship versions for reputation, Permanent upgrades via Lab, IPO for massive progress boosts, Offline earnings with reports, Live Activity for App Review countdown

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dev Idle Pro | $4.99 | per month |
| Hotfix — 100 Tickets | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Sprint Pass Premium Track | $2.99 | one-time |
| Monthly Card — 40 a Day | $3.99 | one-time |
| Sprint — 600 Tickets | $4.99 | one-time |
| Overtime | $4.99 | one-time |
| Release — 1,400 Tickets | $9.99 | one-time |
| Major Version — 3,200 Tickets | $19.99 | one-time |
| Enterprise — 9,000 Tickets | $49.99 | one-time |


## Frequently asked questions

### Is Kernel King free?

Kernel King is free to download, with in-app purchases available.

### Is Dev Idle free?

Dev Idle is free to download, with in-app purchases available.

### Which has better reviews, Kernel King or Dev Idle?

Dev Idle is rated higher. Kernel King averages 4.5 out of 5 from 40 ratings, while Dev Idle averages 5.0 from 1 ratings.

### Do Kernel King or Dev Idle have ads?

Neither Kernel King nor Dev Idle shows ads.

### Which is updated more often, Kernel King or Dev Idle?

Kernel King ships an update every 6 days, and Dev Idle monthly. Most recently, Kernel King was updated on November 2, 2026 and Dev Idle on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*