# Stack by Stack! vs Pack Flow

The clearest difference is in-app purchases: Stack by Stack! at none against Pack Flow's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pack Flow sells 10 one-off in-app purchases. Stack by Stack! asks for nothing beyond the download.

Stack by Stack! ships an update every 4 days, Pack Flow every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stack by Stack! | Pack Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/pack-flow-pack-and-sort/id6781254069/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 94 MB | 380 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ByeongUk Choi](https://appshunter.io/developer/1872002178) | [FUSE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1693387553) |

## What reviewers say

### Stack by Stack!

[App page](https://appshunter.io/ios/app/stack-by-stack/id6760553499)

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

**In-app purchases:** none


### Pack Flow

[App page](https://appshunter.io/ios/app/pack-flow-pack-and-sort/id6781254069)

Engage in a satisfying sorting puzzle where strategic tapping is key. Move products to matching shelves on a conveyor belt, planning each move to avoid traffic jams and complete challenging levels. Enjoy smooth animations and clever puzzle design.

**Highlights:** Satisfying sorting gameplay, Strategic item placement, Conveyor belt mechanics, Challenging levels, Relaxing visuals, Clever puzzle design

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $1.99 | one-time |
| Unlock Stack Offer | $1.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Treasure Dinner Offer 1 | $3.99 | one-time |
| Remove Ads | $6.99 | one-time |
| Rocket Deal | $6.99 | one-time |
| Treasure Dinner Offer 2 | $6.99 | one-time |
| Treasure Dinner Offer 3 | $9.99 | one-time |
| Treasure Dinner Offer 4 | $19.99 | one-time |
| Treasure Dinner Offer 5 | $49.99 | one-time |


## Frequently asked questions

### Is Stack by Stack! free?

Stack by Stack! is free to download, with no in-app purchases.

### Is Pack Flow free?

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

### Do Stack by Stack! or Pack Flow have ads?

Both Stack by Stack! and Pack Flow show ads.

### Which is updated more often, Stack by Stack! or Pack Flow?

Stack by Stack! ships an update every 4 days, and Pack Flow every 3 days. Most recently, Stack by Stack! was updated on October 25, 2026 and Pack Flow on October 24, 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.*