# ThinkWise vs Gra

The clearest difference is in-app purchases: ThinkWise at none against Gra's 2. Gra's advantage is update cadence (every 2 days vs every 7 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

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

ThinkWise ships an update every 7 months, Gra every 2 days. The most recent releases landed on August 26, 2026 and June 21, 2026 respectively.

## The numbers

| Metric | ThinkWise | Gra |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 22 MB | 57 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SimTech Systems Inc.](https://appshunter.io/developer/530419967) | [YOUNG HWAN SHIN](https://appshunter.io/developer/1873877102) |

## What reviewers say

### ThinkWise

[App page](https://appshunter.io/ios/app/thinkwise/id6502587224)

Organize your thoughts and ideas with digital notes and mind maps. Facilitate group discussions and collaborative projects with easy sharing. Features AI-powered content generation and real-time translation.

**Highlights:** Digital notes, Mind maps, Group chat organization, Easy sharing, AI branch generation, Real-time translation

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

**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 ThinkWise free?

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

### Is Gra free?

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

### Do ThinkWise or Gra have ads?

Neither ThinkWise nor Gra shows ads.

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

ThinkWise ships an update every 7 months, and Gra every 2 days. Most recently, ThinkWise was updated on August 26, 2026 and Gra on June 21, 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.*