# CodeViewer vs ASO

The clearest difference is price: ASO at Free against CodeViewer's $0.29. ASO also leads on update cadence (every 3 days vs every 8 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ASO is free to download; CodeViewer costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

CodeViewer ships an update every 8 months, ASO every 3 days. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CodeViewer | ASO |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/aso-app-keywords-otimization/id6473685400/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [健 王](https://appshunter.io/developer/1558318494) | [Marcelo Diefenbach](https://appshunter.io/developer/1645090652) |

## What reviewers say

### CodeViewer

[App page](https://appshunter.io/ios/app/codeviewer/id6443973448)

**In-app purchases:** none


### ASO

[App page](https://appshunter.io/ios/app/aso-app-keywords-otimization/id6473685400)

This tool helps developers improve their app's visibility in app stores by identifying and tracking relevant keywords. It provides insights into search rankings to boost discoverability and engagement.

**Highlights:** Keyword identification, App ranking tracking, Search visibility analysis, Competitive insights, App discoverability enhancement

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

**In-app purchases:** none


## Frequently asked questions

### Is CodeViewer free?

CodeViewer costs $0.29, with no in-app purchases.

### Is ASO free?

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

### Do CodeViewer or ASO have ads?

Neither CodeViewer nor ASO shows ads.

### Which is updated more often, CodeViewer or ASO?

CodeViewer ships an update every 8 months, and ASO every 3 days. Most recently, CodeViewer was updated on September 21, 2026 and ASO on September 10, 2026.

---

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