# AppMaster Developer Legacy vs ASO Keyword Tracker

The clearest difference is in-app purchases: AppMaster Developer Legacy at none against ASO Keyword Tracker's 2. AppMaster Developer Legacy also leads on iOS requirement (17.0 vs 26.0). ASO Keyword Tracker's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. ASO Keyword Tracker sells 2 one-off in-app purchases. AppMaster Developer Legacy asks for nothing beyond the download.

AppMaster Developer Legacy ships an update every 4 days, ASO Keyword Tracker weekly. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | AppMaster Developer Legacy | ASO Keyword Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aso-keyword-tracker-kranked/id6755593681/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 113 MB | 16 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [AppMaster Inc](https://appshunter.io/developer/1603773227) | [Akos Komuves](https://appshunter.io/developer/1478520249) |

## What reviewers say

### AppMaster Developer Legacy

[App page](https://appshunter.io/ios/app/appmaster-developer-legacy/id6748302152)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ASO Keyword Tracker

[App page](https://appshunter.io/ios/app/aso-keyword-tracker-kranked/id6755593681)

This app helps iOS developers monitor their app's keyword performance on the App Store. It provides insights into keyword rankings, trends, and competitor analysis to improve app visibility and optimize ASO campaigns.

**Highlights:** Track keyword rankings across 13 storefronts, Ranking history charts and trend analysis, Keyword difficulty and traffic scoring, Competitor analysis side by side, Estimated monthly revenue and downloads, Rank alerts and weekly digests, Export data to CSV or PDF

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is AppMaster Developer Legacy free?

AppMaster Developer Legacy is free to download, with no in-app purchases.

### Is ASO Keyword Tracker free?

ASO Keyword Tracker is free to download, with in-app purchases available.

### Do AppMaster Developer Legacy or ASO Keyword Tracker have ads?

Neither AppMaster Developer Legacy nor ASO Keyword Tracker shows ads.

### Which is updated more often, AppMaster Developer Legacy or ASO Keyword Tracker?

AppMaster Developer Legacy ships an update every 4 days, and ASO Keyword Tracker weekly. Most recently, AppMaster Developer Legacy was updated on September 30, 2026 and ASO Keyword Tracker on October 11, 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.*