# Sip & Stack vs Bubble Math+

The clearest difference is in-app purchases: Sip & Stack at none against Bubble Math+'s 3. Sip & Stack also leads on update cadence (daily vs every 4 days) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Bubble Math+ sells 3 one-off in-app purchases. Sip & Stack asks for nothing beyond the download.

Sip & Stack ships an update daily, Bubble Math+ every 4 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Sip & Stack | Bubble Math+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bubble-math-plus/id6756306810/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 99 MB | 190 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BugFix Games Entertainment](https://appshunter.io/developer/1689361525) | [Aznox](https://appshunter.io/developer/1859980339) |

## What reviewers say

### Sip & Stack

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Math+

[App page](https://appshunter.io/ios/app/bubble-math-plus/id6756306810)

Engage in a fast-paced puzzle game designed to sharpen your math skills. Solve problems by popping bubbles in this fun and educational experience.

**Highlights:** Bubble puzzle gameplay, Math practice, Educational, Fast-paced, Fun

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 120 | $0.99 | one-time |
| 350 | $1.99 | one-time |
| 1000 | $3.99 | one-time |


## Frequently asked questions

### Is Sip & Stack free?

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

### Is Bubble Math+ free?

Bubble Math+ is free to download, with in-app purchases available.

### Do Sip & Stack or Bubble Math+ have ads?

Both Sip & Stack and Bubble Math+ show ads.

### Which is updated more often, Sip & Stack or Bubble Math+?

Sip & Stack ships an update daily, and Bubble Math+ every 4 days. Most recently, Sip & Stack was updated on September 22, 2026 and Bubble Math+ on September 18, 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.*