# 올차트[ALLCHART] vs K탑스타

The clearest difference is rating: K탑스타 at 1.9 against 올차트[ALLCHART]'s 1.1. K탑스타 also leads on review sentiment (19% vs 3%) and iOS requirement (13.4 vs 15.6). 올차트[ALLCHART]'s advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. 올차트[ALLCHART] sells 4 one-off in-app purchases and K탑스타 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

K탑스타 holds the better App Store score, 1.9 against 1.1. Both are backed by a comparable volume of ratings — 29 and 13 respectively. Written reviews point the same way: 3% of 올차트[ALLCHART]'s written reviews are positive against 19% of K탑스타's.

올차트[ALLCHART] ships an update every 2 weeks, K탑스타 every 10 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 올차트[ALLCHART] | K탑스타 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (29 ratings)](https://appshunter.io/ios/app/allchart/id6502045669/reviews) | **[1.9 (13 ratings)](https://appshunter.io/ios/app/k-ktopstar/id6503354936/reviews)** |
| Number of ratings | **29** | 13 |
| Positive reviews | 2.5% of reviews | **19.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 92 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smartners Co., Ltd.](https://appshunter.io/developer/1725057785) | [ComWithUs](https://appshunter.io/developer/1690444720) |

## What reviewers say

### 올차트[ALLCHART]

[App page](https://appshunter.io/ios/app/allchart/id6502045669)

This app is a specialized platform for official popularity contests and auditions. It allows users to participate in various content, vote, and communicate with fan communities. The platform offers a transparent voting history and real-time ranking updates.

**Highlights:** Official popularity voting platform, Contest and audition participation, Live voting history, Real-time ranking updates, Profile, photo, and video content upload, Crowd-based voting for transparency, Direct fan communication

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100ea | $0.99 | one-time |
| 200ea | $1.99 | one-time |
| 500ea | $4.99 | one-time |
| 1000ea | $9.99 | one-time |


### K탑스타

[App page](https://appshunter.io/ios/app/k-ktopstar/id6503354936)

Engage with your favorite K-pop stars through voting, fan-led interviews, and community features. Earn rewards by participating in missions and daily check-ins, and track your idol's ranking on genre-specific charts.

**Highlights:** Genre-specific charts, Star voting and ranking, Fan-led interviews, Missions and daily check-ins, Fandom community, Latest star updates

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Cash | $0.49 | one-time |
| 30 Cash | $1.99 | one-time |
| 50 Cash | $2.99 | one-time |
| 100 Cash | $6.99 | one-time |
| 200 Cash | $12.99 | one-time |
| 300 Cash | $19.99 | one-time |
| 500 Cash | $34.99 | one-time |
| 800 Cash | $49.99 | one-time |
| 1,000 Cash | $69.99 | one-time |
| 2,000 Cash | $129.99 | one-time |


## Frequently asked questions

### Is 올차트[ALLCHART] free?

올차트[ALLCHART] is free to download, with in-app purchases available.

### Is K탑스타 free?

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

### Which has better reviews, 올차트[ALLCHART] or K탑스타?

K탑스타 is rated higher. 올차트[ALLCHART] averages 1.1 out of 5 from 29 ratings, while K탑스타 averages 1.9 from 13 ratings.

### Do 올차트[ALLCHART] or K탑스타 have ads?

K탑스타 shows ads; 올차트[ALLCHART] does not.

### Which is updated more often, 올차트[ALLCHART] or K탑스타?

올차트[ALLCHART] ships an update every 2 weeks, and K탑스타 every 10 days. Most recently, 올차트[ALLCHART] was updated on September 24, 2026 and K탑스타 on September 23, 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.*