# Stack vs Image Stack

The clearest difference is iOS requirement: Image Stack at 18.0 against Stack's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stack sells 1 one-off in-app purchase and Image Stack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 17, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stack | Image Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/stack-before-and-after-photos/id1095740881/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 13 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pavlo Chernovolenko](https://appshunter.io/developer/858517820) | [Daniel Witt](https://appshunter.io/developer/1438848391) |

## What reviewers say

### Stack

[App page](https://appshunter.io/ios/app/stack-before-and-after-photos/id1095740881)

Effortlessly create professional before-and-after photo and video comparisons. Advanced on-device technology automatically aligns your images, perfect for showcasing transformations in fitness, renovations, or projects. Export smooth, high-quality animations for social media.

**Highlights:** Automatic photo alignment, Manual adjustment options, Create before-and-after comparisons, Export animated videos, Match animation to music BPM, High FPS video export, On-device processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Pro (Lifetime) | $4.99 | one-time |


### Image Stack

[App page](https://appshunter.io/ios/app/image-stack/id6757393848)

This app streamlines image processing by allowing batch conversion, resizing, and renaming. Apply presets, add watermarks, and adjust quality settings with ease. It's designed for efficient handling of multiple images across devices.

**Highlights:** Batch image conversion, Apply multiple presets, Rename files, Resize images, Add overlays/watermarks, Adjust quality and metadata, iCloud preset sync

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |


## Frequently asked questions

### Is Stack free?

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

### Is Image Stack free?

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

### Do Stack or Image Stack have ads?

Neither Stack nor Image Stack shows ads.

### Which is updated more often, Stack or Image Stack?

Stack ships an update monthly, and Image Stack monthly. Most recently, Stack was updated on September 17, 2026 and Image Stack on September 29, 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.*