# Engineering Tracks vs S100

The clearest difference is in-app purchases: S100 at none against Engineering Tracks's 16. S100 also leads on update cadence (every 9 days vs monthly) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Engineering Tracks sells 16 one-off in-app purchases. S100 asks for nothing beyond the download.

Engineering Tracks ships an update monthly, S100 every 9 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Engineering Tracks | S100 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/engineering-tracks/id1543736435/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 59 MB | 65 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yasser Talaat](https://appshunter.io/developer/1543736647) | [(주) 지에스아이엘](https://appshunter.io/developer/1269878774) |

## What reviewers say

### Engineering Tracks

[App page](https://appshunter.io/ios/app/engineering-tracks/id1543736435)

This academy offers specialized engineering training and consultancy, utilizing an e-learning system and online courses to bridge the gap between academia and the professional world. It focuses on developing engineers in technical and administrative fields, including project management.

**Highlights:** Specialized engineering training, Engineering consultancy services, E-learning system, Online courses via Cisco WEBX, Project management development, Bridging academic and work markets

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOT | $29.99 | one-time |
| Strategic Planning | $29.99 | one-time |
| Communication Skills | $29.99 | one-time |
| Presentation & Public Speaking | $29.99 | one-time |
| Plumbing | $190.99 | one-time |
| Fire Fighting | $190.99 | one-time |
| HVAC | $259.99 | one-time |
| Power Distribution | $259.99 | one-time |
| Python | $259.99 | one-time |
| CAPM | $259.99 | one-time |
| Fundamental of Turbo Machinery | $359.99 | one-time |
| API 570 | $359.99 | one-time |
| Caesar | $444.99 | one-time |
| ASME B16.34 | $444.99 | one-time |
| ASME SEC VIII DIV 1 | $474.99 | one-time |
| PMI-CP | $500.00 | one-time |


### S100

[App page](https://appshunter.io/ios/app/s100-4s/id6466389109)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Tracks free?

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

### Is S100 free?

S100 is free to download, with no in-app purchases.

### Do Engineering Tracks or S100 have ads?

Neither Engineering Tracks nor S100 shows ads.

### Which is updated more often, Engineering Tracks or S100?

Engineering Tracks ships an update monthly, and S100 every 9 days. Most recently, Engineering Tracks was updated on October 3, 2026 and S100 on October 7, 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.*