# APD S vs Aptis Trainer

The clearest difference is in-app purchases: APD S at none against Aptis Trainer's 5. APD S also leads on ads (none vs shown) and review sentiment (14% vs 0%). Aptis Trainer's advantage is update cadence (every 9 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Aptis Trainer sells 5 one-off in-app purchases. APD S asks for nothing beyond the download.

APD S ships an update every 5 weeks, Aptis Trainer every 9 days. The most recent releases landed on September 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | APD S | Aptis Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/aptis-trainer/id6756222548/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 106 MB |
| Requires iOS | **12.4** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AISoft](https://appshunter.io/developer/1534825275) | [Phuc Nguyen](https://appshunter.io/developer/1859315106) |

## What reviewers say

### APD S

[App page](https://appshunter.io/ios/app/apd-s-link/id1583940687)

This app provides information about a public university under the Ministry of Planning and Investment. It details the institution's establishment, organizational structure, and its role in national economic development planning and investment.

**Highlights:** University establishment details, Organizational structure, Government ministry affiliation, National economic planning functions, Investment and statistics information

**Features:** macOS Compatibility

**In-app purchases:** none


### Aptis Trainer

[App page](https://appshunter.io/ios/app/aptis-trainer/id6756222548)

Prepare for the Aptis exam with a comprehensive app covering all sections: Grammar, Vocabulary, Listening, Reading, Speaking, and Writing. Features include mock tests, AI-powered explanations and grading, a built-in dictionary, and progress tracking to help you master the exam.

**Highlights:** Covers all 6 Aptis exam sections, Authentic exam structure simulation, Mock Test mode with time pressure, AI-powered Reading & Listening explanations, AI grading for Writing & Speaking, Built-in dictionary and vocabulary saving, Daily learning goals and progress tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 40 AI Grading Credits | $1.99 | one-time |
| Gói Premium Vĩnh viễn | $2.99 | one-time |
| Full Access 1 Month | $5.99 | one-time |
| Full Access 2 Months | $9.99 | one-time |
| Full Access 6 Months | $24.99 | one-time |


## Frequently asked questions

### Is APD S free?

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

### Is Aptis Trainer free?

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

### Do APD S or Aptis Trainer have ads?

Aptis Trainer shows ads; APD S does not.

### Which is updated more often, APD S or Aptis Trainer?

APD S ships an update every 5 weeks, and Aptis Trainer every 9 days. Most recently, APD S was updated on September 30, 2026 and Aptis Trainer on October 20, 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.*