# 15그램 vs YellowQuest

The clearest difference is in-app purchases: 15그램 at none against YellowQuest's 2. 15그램 also leads on iOS requirement (14.0 vs 26.4). YellowQuest's advantage is update cadence (every 2 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. YellowQuest sells 2 in-app purchases, starting at $3.99 per month. 15그램 asks for nothing beyond the download.

15그램 ships an update every 4 months, YellowQuest every 2 days. The most recent releases landed on October 27, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 15그램 | YellowQuest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/yellowquest/id6813075598/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 70 MB |
| Requires iOS | **14.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [15GRAM Co., Ltd.](https://appshunter.io/developer/1607634922) | [Jeric Hernandez](https://appshunter.io/developer/6813075600) |

## What reviewers say

### 15그램

[App page](https://appshunter.io/ios/app/15/id1607634920)

**Features:** macOS Compatibility

**In-app purchases:** none


### YellowQuest

[App page](https://appshunter.io/ios/app/yellowquest/id6813075598)

Turn real-world exploration into visible progress with a personal discovery map. Reveal nearby places, complete quests, and collect badges to track your journeys and achievements.

**Highlights:** Personal discovery map, Daily and weekly quests, Journey recording, Badge collection, Personal rankings, Party exploration (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YellowQuest Premium Monthly | $3.99 | per month |
| YellowQuest Premium Yearly | $23.99 | per year |


## Frequently asked questions

### Is 15그램 free?

15그램 is free to download, with no in-app purchases.

### Is YellowQuest free?

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

### Do 15그램 or YellowQuest have ads?

Both 15그램 and YellowQuest show ads.

### Which is updated more often, 15그램 or YellowQuest?

15그램 ships an update every 4 months, and YellowQuest every 2 days. Most recently, 15그램 was updated on October 27, 2026 and YellowQuest on November 6, 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.*