# 내신등급 계산기 vs 밀당PT

The clearest difference is review sentiment: 내신등급 계산기 at 49% against 밀당PT's 10%. 내신등급 계산기 also leads on update cadence (every 3 weeks vs every 3 months). 밀당PT's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

내신등급 계산기 ships an update every 3 weeks, 밀당PT every 3 months. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 내신등급 계산기 | 밀당PT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **49.0% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 98 MB | 3 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JongHyeok Park](https://appshunter.io/developer/1453354648) | [I Hate Flying Bugs](https://appshunter.io/developer/566850459) |

## What reviewers say

### 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


### 밀당PT

[App page](https://appshunter.io/ios/app/pt/id1640159533)

Experience personalized 1:1 online PT programs with expert instructors, AI-driven diagnostics, and custom curricula for both internal school exams and college entrance exams. Prepare effectively for academic success from anywhere.

**Highlights:** 1:1 dedicated online PT instructors, AI-based precise diagnostic tests, Customized curriculum for individual needs, Personalized lessons and management, Curriculum for internal school exams, Curriculum for college entrance exams

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 내신등급 계산기 free?

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

### Is 밀당PT free?

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

### Do 내신등급 계산기 or 밀당PT have ads?

내신등급 계산기 shows ads; 밀당PT does not.

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

내신등급 계산기 ships an update every 3 weeks, and 밀당PT every 3 months. Most recently, 내신등급 계산기 was updated on October 25, 2026 and 밀당PT on October 13, 2026.

---

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