# Circle Master vs Grimspin

The clearest difference is in-app purchases: Circle Master at none against Grimspin's 10. Circle Master also leads on update cadence (daily vs every 4 weeks). Grimspin's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Grimspin sells 10 one-off in-app purchases. Circle Master asks for nothing beyond the download.

Circle Master ships an update daily, Grimspin every 4 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Circle Master | Grimspin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/grimspin/id6744492723/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 124 MB | 187 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aliaksei Smaliuk](https://appshunter.io/developer/1678991811) | [Kyle Selby](https://appshunter.io/developer/1680999306) |

## What reviewers say

### Circle Master

[App page](https://appshunter.io/ios/app/circle-master-draw-a-circle/id6451257982)

**Features:** Vision Pro support

**In-app purchases:** none


### Grimspin

[App page](https://appshunter.io/ios/app/grimspin/id6744492723)

Embark on an adventure in Grimwood Grove with unique companions. Upgrade your machine, explore hidden secrets, and prepare for an impending war. Compete with friends on leaderboards and unlock special features.

**Highlights:** Upgrade and craft machines, Compete in leaderboards, Explore Grimwood Grove, Complete war preparation tasks, Unlock features like Gem Mine, Offline minigame available

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Handful of Gems | $1.99 | one-time |
| Weekly Pack | $1.99 | one-time |
| Bag of Gems | $4.99 | one-time |
| Chest of Gems | $9.99 | one-time |
| Monthly Pack | $19.99 | one-time |
| Crate of Gems | $24.99 | one-time |
| Elite Pack | $34.99 | one-time |
| Vault of Gems | $49.99 | one-time |
| Mountain of Gems | $99.99 | one-time |


## Frequently asked questions

### Is Circle Master free?

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

### Is Grimspin free?

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

### Do Circle Master or Grimspin have ads?

Circle Master shows ads; Grimspin does not.

### Which is updated more often, Circle Master or Grimspin?

Circle Master ships an update daily, and Grimspin every 4 weeks. Most recently, Circle Master was updated on October 10, 2026 and Grimspin 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.*