# 시험타이머 vs EconGraph LAB

The clearest difference is ads: EconGraph LAB at none against 시험타이머's shown. 시험타이머's advantage is update cadence (every 10 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

시험타이머 ships an update every 10 days, EconGraph LAB every 3 months. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 시험타이머 | EconGraph LAB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 7 MB | 2 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Taeyoung Lee](https://appshunter.io/developer/1795975526) | [Dohyung Woo](https://appshunter.io/developer/1875720581) |

## What reviewers say

### 시험타이머

[App page](https://appshunter.io/ios/app/gsat/id6759232762)

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

**In-app purchases:** none


### EconGraph LAB

[App page](https://appshunter.io/ios/app/econgraph-lab/id6759818020)

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

**In-app purchases:** none


## Frequently asked questions

### Is 시험타이머 free?

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

### Is EconGraph LAB free?

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

### Do 시험타이머 or EconGraph LAB have ads?

시험타이머 shows ads; EconGraph LAB does not.

### Which is updated more often, 시험타이머 or EconGraph LAB?

시험타이머 ships an update every 10 days, and EconGraph LAB every 3 months. Most recently, 시험타이머 was updated on September 30, 2026 and EconGraph LAB on October 8, 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.*