# TOEIC Assessments vs SDC

The clearest difference is update cadence: SDC at every 2 months against TOEIC Assessments's every 10 months. SDC also leads on device support (3 vs 1). TOEIC Assessments's advantage is iOS requirement (10.2 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

TOEIC Assessments ships an update every 10 months, SDC every 2 months. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TOEIC Assessments | SDC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 4 MB | 8 MB |
| Requires iOS | **10.2** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) | [Chung-Ming Huang](https://appshunter.io/developer/1003733181) |

## What reviewers say

### TOEIC Assessments

[App page](https://appshunter.io/ios/app/toeic-assessments/id1524340292)

**In-app purchases:** none


### SDC

[App page](https://appshunter.io/ios/app/sdc-deh-lite/id1552530246)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TOEIC Assessments free?

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

### Is SDC free?

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

### Do TOEIC Assessments or SDC have ads?

Neither TOEIC Assessments nor SDC shows ads.

### Which is updated more often, TOEIC Assessments or SDC?

TOEIC Assessments ships an update every 10 months, and SDC every 2 months. Most recently, TOEIC Assessments was updated on October 16, 2026 and SDC 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.*