# YPT vs 내신등급 계산기

The clearest difference is in-app purchases: 내신등급 계산기 at none against YPT's 8. YPT's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). On price, review sentiment and iOS requirement there is nothing between them.

Both are free to download. YPT sells 8 in-app purchases, starting at $2.99 per month. 내신등급 계산기 asks for nothing beyond the download.

YPT ships an update every 2 days, 내신등급 계산기 every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | YPT | 내신등급 계산기 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/ypt-study-group/id1441909643/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | **55.7% of reviews** | 49.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 248 MB | 98 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UnCheon Baek](https://appshunter.io/developer/1143037815) | [JongHyeok Park](https://appshunter.io/developer/1453354648) |

## What reviewers say

### YPT

[App page](https://appshunter.io/ios/app/ypt-study-group/id1441909643)

Connect with millions globally to study together remotely. Track your progress, set daily goals, and join or create study groups. Visualize your achievements with detailed statistics and compete with others through real-time rankings.

**Highlights:** Time tracking for subjects, Daily 10-minute planner, Study group creation, Real-time ranking, Study statistics visualization, Friend activity monitoring

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| 100 flames | $0.99 | one-time |
| Unlock Apps | $0.99 | one-time |
| 600 flames | $3.99 | one-time |
| 6 months | $11.99 | one-time |
| 12months | $19.99 | one-time |

**What reviewers like**

- 🚀 Motivating and competitive
- 👍 Comprehensive features (timer, planner, study groups)
- 🎨 Customizable themes and aesthetics
- 🔊 Helpful background noise options

**What reviewers complain about**

- 🐛 Bugs and glitches (freezing, crashing, time recording issues)
- ⏱️ Time zone issues for users outside of Korea
- 🔒 Restricted app access during study sessions

**Reported bugs**

- Timer not stopping when exiting the app
- Inconsistent time recording across devices
- Sudden language changes without user input
- Connectivity issues and server problems

**Requested features**

- Add ability to edit/remove specific study time entries
- Implement a desktop/web version of the app
- Allow more customization options for the calendar and planner
- Improve the allowed apps feature to work more reliably


### 내신등급 계산기

[App page](https://appshunter.io/ios/app/id1485566114)

Calculate your high school GPA based on the 5-grade system. It helps you estimate grades, analyze potential changes, and track your progress towards target scores. You can also import your academic records from NICES.

**Highlights:** Calculate GPA by grade and semester, Set target grades and track progress, Analyze grade changes after midterms, Estimate final grades based on midterm performance, Calculate rank percentages and grade cutoffs, Import academic records from NICES

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

**In-app purchases:** none


## Frequently asked questions

### Is YPT free?

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

### Is 내신등급 계산기 free?

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

### Do YPT or 내신등급 계산기 have ads?

내신등급 계산기 shows ads; YPT does not.

### Which is updated more often, YPT or 내신등급 계산기?

YPT ships an update every 2 days, and 내신등급 계산기 every 3 weeks. Most recently, YPT was updated on October 26, 2026 and 내신등급 계산기 on October 25, 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.*