# Brainstorm vs Sip & Stack

The clearest difference is in-app purchases: Sip & Stack at none against Brainstorm's 4. Sip & Stack also leads on update cadence (daily vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brainstorm sells 4 one-off in-app purchases. Sip & Stack asks for nothing beyond the download.

Brainstorm ships an update every 3 months, Sip & Stack daily. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Brainstorm | Sip & Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/brainstorm-brain-test/id1548271111/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 99 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Axis Entertainment Limited](https://appshunter.io/developer/854884682) | [BugFix Games Entertainment](https://appshunter.io/developer/1689361525) |

## What reviewers say

### Brainstorm

[App page](https://appshunter.io/ios/app/brainstorm-brain-test/id1548271111)

Engage in an addictive game featuring intellectual and brain puzzles. Daily play can enhance creativity and problem-solving skills. Challenge yourself and friends to test your IQ.

**Highlights:** Intellectual brain puzzles, Daily brain exercise, Creative thinking challenges, IQ level testing, Multiplayer quiz

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HINT X 10 | $0.99 | one-time |
| HINT X 20 | $1.99 | one-time |
| HINT X 30 | $2.99 | one-time |
| Ads free Version | $4.99 | one-time |


### Sip & Stack

[App page](https://appshunter.io/ios/app/sip-and-stack/id6739055736)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brainstorm free?

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

### Is Sip & Stack free?

Sip & Stack is free to download, with no in-app purchases.

### Do Brainstorm or Sip & Stack have ads?

Both Brainstorm and Sip & Stack show ads.

### Which is updated more often, Brainstorm or Sip & Stack?

Brainstorm ships an update every 3 months, and Sip & Stack daily. Most recently, Brainstorm was updated on October 19, 2026 and Sip & Stack 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.*