# IV Go vs PTERS

The clearest difference is in-app purchases: IV Go at none against PTERS's 1. IV Go also leads on iOS requirement (9.0 vs 12.0). PTERS's advantage is ads (none vs shown) and review sentiment (48% vs 39%). On price, update cadence and device support there is nothing between them.

Both are free to download. PTERS sells 1 one-off in-app purchase. IV Go asks for nothing beyond the download.

IV Go ships an update every 6 weeks, PTERS every 3 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IV Go | PTERS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (342 ratings)](https://appshunter.io/ios/app/iv-go/id1166622632/reviews)** | — |
| Number of ratings | **342** | — |
| Positive reviews | 39.0% of reviews | **47.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 103 MB | 12 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHAO KAI YU](https://appshunter.io/developer/1166622631) | [Alogic Inc.](https://appshunter.io/developer/1373054818) |

## What reviewers say

### IV Go

[App page](https://appshunter.io/ios/app/iv-go/id1166622632)

This application offers a straightforward method for analyzing your game statistics. It provides a simple interface to review your performance data. For any inquiries, you can reach out via email.

**Highlights:** Simple game data analysis, Performance review, Email support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate IV calculations
- 👍 Convenient and easy to use
- ⭐ Great app overall

**What reviewers complain about**

- 🐛 Frequent crashes and login issues
- ⚠️ App not working after updates
- 💤 Offline mode not as accurate

**Reported bugs**

- Login not working for weeks
- App crashes on startup
- Offline mode not working properly

**Requested features**

- Update the app to fix login and crashes
- Bring back automatic login feature
- Add more customization options


### PTERS

[App page](https://appshunter.io/ios/app/pters/id1373054819)

This app helps instructors manage lessons, schedules, and student information. It allows for easy booking, cancellation, and tracking of student progress and attendance. Ideal for various teaching professionals to streamline their operations.

**Highlights:** Lesson scheduling and management, Student registration and tracking, Attendance and session tracking, Customizable lesson rules, Instructor availability settings, Real-time notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 - 30일권 | $6.99 | one-time |


## Frequently asked questions

### Is IV Go free?

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

### Is PTERS free?

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

### Do IV Go or PTERS have ads?

IV Go shows ads; PTERS does not.

### Which is updated more often, IV Go or PTERS?

IV Go ships an update every 6 weeks, and PTERS every 3 months. Most recently, IV Go was updated on October 22, 2026 and PTERS 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.*