# Image Compressor vs Stackd

The clearest difference is review sentiment: Stackd at 100% against Image Compressor's 54%. Stackd also leads on in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Image Compressor sells 3 in-app purchases, starting at $3.99 per month. Stackd asks for nothing beyond the download.

Image Compressor ships an update every 2 months, Stackd every 4 days. The most recent releases landed on September 23, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Image Compressor | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (47 ratings)](https://appshunter.io/ios/app/image-compressor-mb-to-kb/id6477852307/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 53.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 47 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aculix Technologies LLP](https://appshunter.io/developer/1525721769) | [Joshua Caplan](https://appshunter.io/developer/1773664677) |

## What reviewers say

### Image Compressor

[App page](https://appshunter.io/ios/app/image-compressor-mb-to-kb/id6477852307)

Easily reduce the file size of your photos and images, converting them from MB to kB. Compress multiple images simultaneously with minimal quality loss, saving storage space and making sharing effortless.

**Highlights:** Compress multiple images simultaneously, Convert images from MB to kB, Reduce image size by 80-90%, Share compressed images directly, View compressed images full-screen, Image compression history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Image Compressor - Monthly | $3.99 | per month |
| Image Compressor - Annual | $9.99 | per year |
| Image Compressor - Lifetime | $19.99 | one-time |


### Stackd

[App page](https://appshunter.io/ios/app/stackd-batch-image-sharing/id6736886196)

Easily share and save multiple photos with friends and family. Upload images to create a shareable stack, and recipients can swipe right to save or left to discard. Saved images are then downloaded to their device.

**Highlights:** Bulk image sharing, Swipe to save/discard, Download saved images, Create image stacks, Stacks expire after 2 days

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Image Compressor free?

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

### Is Stackd free?

Stackd is free to download, with no in-app purchases.

### Do Image Compressor or Stackd have ads?

Image Compressor shows ads; Stackd does not.

### Which is updated more often, Image Compressor or Stackd?

Image Compressor ships an update every 2 months, and Stackd every 4 days. Most recently, Image Compressor was updated on September 23, 2026 and Stackd on June 2, 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.*