# Catbus Parent vs IIG Elearning | TOEIC 4 Skills

The clearest difference is in-app purchases: Catbus Parent at none against IIG Elearning | TOEIC 4 Skills's 20. Catbus Parent also leads on iOS requirement (13.0 vs 15.0). IIG Elearning | TOEIC 4 Skills's advantage is update cadence (monthly vs every 22 months). On price, ads and device support there is nothing between them.

Both are free to download. IIG Elearning | TOEIC 4 Skills sells 20 one-off in-app purchases. Catbus Parent asks for nothing beyond the download.

Catbus Parent ships an update every 22 months, IIG Elearning | TOEIC 4 Skills monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Catbus Parent | IIG Elearning | TOEIC 4 Skills |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iig-elearning-toeic-4-skills/id6667108688/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 46.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COHOTA JOINT STOCK COMPANY](https://appshunter.io/developer/1481425830) | [IIG Viet Nam Joint Stock Company](https://appshunter.io/developer/1764897105) |

## What reviewers say

### Catbus Parent

[App page](https://appshunter.io/ios/app/catbus-parent/id1482370924)

**Features:** macOS Compatibility

**In-app purchases:** none


### IIG Elearning | TOEIC 4 Skills

[App page](https://appshunter.io/ios/app/iig-elearning-toeic-4-skills/id6667108688)

Prepare for the TOEIC exam with a comprehensive application that simulates real test conditions. Access diverse learning programs, practice tests, and expert-led online courses anytime, anywhere. Also offers preparation for other international certifications.

**Highlights:** 100% real exam simulation, Personalized learning paths, Extensive exercise library, 200+ lecture videos, Official practice tests from ETS, Online courses with top teachers, Preparation for TOEFL, IC3, MOS

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

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Đề thi thử 1 code | $3.99 | one-time |
| Đề thi thử GS6 1 code | $3.99 | one-time |
| Đề thi thử GS4 1 code | $3.99 | one-time |
| Đề thi thử nhiều codes | $9.99 | one-time |
| Đề thi thử GS6 nhiều codes | $9.99 | one-time |
| Đề thi thử GS4 nhiều codes | $9.99 | one-time |
| Jasperactive Course | $17.99 | one-time |
| Jasperactive 2 Courses | $22.99 | one-time |
| TOEIC Practice Level 650+ | $24.99 | one-time |
| IT Course 2 Level 2&3 | $29.99 | one-time |
| Jasperactive 3 Courses | $29.99 | one-time |
| TOEFL ITP | $34.99 | one-time |
| TOEIC Compact Level 650+ | $44.99 | one-time |
| TOEIC S&W Level 2 | $79.99 | one-time |
| TOEIC S&W Live Level 1 | $249.99 | one-time |
| TOEIC Live 650+ | $299.99 | one-time |
| TOEIC S&W Live Level 2 | $299.99 | one-time |
| TOEIC Live 2 Level | $499.99 | one-time |
| TOEIC S&W Live 2 Level | $499.99 | one-time |
| TOEIC Live 0-650+ | $599.99 | one-time |


## Frequently asked questions

### Is Catbus Parent free?

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

### Is IIG Elearning | TOEIC 4 Skills free?

IIG Elearning | TOEIC 4 Skills is free to download, with in-app purchases available.

### Do Catbus Parent or IIG Elearning | TOEIC 4 Skills have ads?

Neither Catbus Parent nor IIG Elearning | TOEIC 4 Skills shows ads.

### Which is updated more often, Catbus Parent or IIG Elearning | TOEIC 4 Skills?

Catbus Parent ships an update every 22 months, and IIG Elearning | TOEIC 4 Skills monthly. Most recently, Catbus Parent was updated on October 19, 2026 and IIG Elearning | TOEIC 4 Skills on October 24, 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.*