# TwentySeven vs Sip & Stack

The clearest difference is in-app purchases: Sip & Stack at none against TwentySeven's 2. Sip & Stack also leads on update cadence (daily vs every 21 months) and iOS requirement (12.0 vs 16.0). TwentySeven's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. TwentySeven sells 2 one-off in-app purchases. Sip & Stack asks for nothing beyond the download.

TwentySeven ships an update every 21 months, Sip & Stack daily. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TwentySeven | Sip & Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/twentyseven/id1457716619/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 99 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Value from Software LLC](https://appshunter.io/developer/458599979) | [BugFix Games Entertainment](https://appshunter.io/developer/1689361525) |

## What reviewers say

### TwentySeven

[App page](https://appshunter.io/ios/app/twentyseven/id1457716619)

A 3D puzzle game where you merge colored balloons on a grid to create larger ones. Master spatial and combinatorial thinking to achieve increasingly complex goals, from a level 8 balloon to a full house of different balloon sizes.

**Highlights:** 3D grid-based balloon merging, Enhances spatial and combinatorial thinking, Multiple grid sizes and challenges, Tutorial and undo options, Customizable controls, External keyboard support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 undo sequences | $0.99 | one-time |
| 10 undo sequences | $1.99 | 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 TwentySeven free?

TwentySeven 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 TwentySeven or Sip & Stack have ads?

Sip & Stack shows ads; TwentySeven does not.

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

TwentySeven ships an update every 21 months, and Sip & Stack daily. Most recently, TwentySeven was updated on October 22, 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.*