# SlotIn vs Gra

The clearest difference is in-app purchases: SlotIn at none against Gra's 2. Gra's advantage is update cadence (every 2 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Gra sells 2 in-app purchases, starting at $0.99 per month. SlotIn asks for nothing beyond the download.

SlotIn ships an update every 2 weeks, Gra every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SlotIn | Gra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 6 MB | 57 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Min Gyoung Kim](https://appshunter.io/developer/1814029057) | [YOUNG HWAN SHIN](https://appshunter.io/developer/1873877102) |

## What reviewers say

### SlotIn

[App page](https://appshunter.io/ios/app/slotin-calendar/id6757516972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gra

[App page](https://appshunter.io/ios/app/gra-deuk-timer/id6758597405)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 월간 프리미엄 | $0.99 | per month |
| 연간 프리미업 | $11.99 | per year |


## Frequently asked questions

### Is SlotIn free?

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

### Is Gra free?

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

### Do SlotIn or Gra have ads?

Neither SlotIn nor Gra shows ads.

### Which is updated more often, SlotIn or Gra?

SlotIn ships an update every 2 weeks, and Gra every 2 days. Most recently, SlotIn was updated on November 5, 2026 and Gra on October 31, 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.*