# Icon Killer vs Decypher

The clearest difference is in-app purchases: Decypher at none against Icon Killer's 1. Decypher also leads on ads (none vs shown) and update cadence (daily vs every 6 days). Icon Killer's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price there is nothing between them.

Both are free to download. Icon Killer sells 1 one-off in-app purchase. Decypher asks for nothing beyond the download.

Icon Killer ships an update every 6 days, Decypher daily. Both last shipped on November 3, 2026.

## The numbers

| Metric | Icon Killer | Decypher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (11 ratings)](https://appshunter.io/ios/app/icon-killer-custom-app-icon/id1544985651/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 69 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [东海 刘](https://appshunter.io/developer/1454617571) | [New Material, Inc.](https://appshunter.io/developer/1683570887) |

## What reviewers say

### Icon Killer

[App page](https://appshunter.io/ios/app/icon-killer-custom-app-icon/id1544985651)

Easily customize your iOS app icons with custom themes, widgets, and wallpapers. Batch install replacement icons for a personalized look without unwanted jumps or blank screens. Supports system apps and custom icons from your album.

**Highlights:** Dozens of theme styles (icons, widgets, wallpapers), Batch installation of replacement icons, Direct app opening without jumps, Support for system app icon replacement, Add custom icons from album, Modify display names, Live wallpapers and extensive picture library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $1.99 | one-time |


### Decypher

[App page](https://appshunter.io/ios/app/decypher/id6448763995)

Explore the history and significance of UK post boxes and street furniture. This app uses your camera and AI to identify and provide information about these everyday objects.

**Highlights:** AI-powered identification, Learn about post box history, Discover street furniture details, Uses device camera, UK-focused content

**In-app purchases:** none


## Frequently asked questions

### Is Icon Killer free?

Icon Killer is free to download, with in-app purchases available.

### Is Decypher free?

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

### Do Icon Killer or Decypher have ads?

Icon Killer shows ads; Decypher does not.

### Which is updated more often, Icon Killer or Decypher?

Icon Killer ships an update every 6 days, and Decypher daily. Most recently, Icon Killer was updated on November 3, 2026 and Decypher on November 3, 2026.

---

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