# Idle Code Tycoon vs Kerfline

The clearest difference is in-app purchases: Kerfline at none against Idle Code Tycoon's 8. Kerfline also leads on update cadence (every 3 days vs every 2 weeks). Idle Code Tycoon's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Idle Code Tycoon sells 8 one-off in-app purchases. Kerfline asks for nothing beyond the download.

Idle Code Tycoon ships an update every 2 weeks, Kerfline every 3 days. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Idle Code Tycoon | Kerfline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (429 ratings)](https://appshunter.io/ios/app/idle-code-tycoon/id6754207431/reviews)** | — |
| Number of ratings | **429** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 97 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mariana Brasil](https://appshunter.io/developer/1832062099) | [Mohammad Nabulsi](https://appshunter.io/developer/6787727908) |

## What reviewers say

### Idle Code Tycoon

[App page](https://appshunter.io/ios/app/idle-code-tycoon/id6754207431)

Build and automate a coding empire from intern to tycoon. Tap to write code, upgrade your gear, and hire developers to generate lines of code even while offline. Prestige to unlock permanent perks and climb the leaderboards.

**Highlights:** Tap to write code, Automate workflow, Hire developers, Prestige for permanent bonuses, Unlock permanent perks, Redesigned interface

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Points | $0.99 | one-time |
| Starter Developer Kit | $1.99 | one-time |
| First Merge Bundle | $1.99 | one-time |
| 50 Points | $1.99 | one-time |
| 90 Points | $2.99 | one-time |
| Double Productivity | $3.99 | one-time |
| 200 Points | $4.99 | one-time |
| 500 Points | $9.99 | one-time |


### Kerfline

[App page](https://appshunter.io/ios/app/kerfline-one-tap-gravity-flip/id6800692981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Idle Code Tycoon free?

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

### Is Kerfline free?

Kerfline is free to download, with no in-app purchases.

### Do Idle Code Tycoon or Kerfline have ads?

Kerfline shows ads; Idle Code Tycoon does not.

### Which is updated more often, Idle Code Tycoon or Kerfline?

Idle Code Tycoon ships an update every 2 weeks, and Kerfline every 3 days. Most recently, Idle Code Tycoon was updated on November 5, 2026 and Kerfline on October 29, 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.*