# Stackd vs Underexpo

The clearest difference is in-app purchases: Stackd at none against Underexpo's 4. Stackd also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (15.1 vs 26.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Underexpo sells 4 in-app purchases, starting at $3.99 per 7 days. Stackd asks for nothing beyond the download.

Stackd ships an update every 4 days, Underexpo fortnightly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stackd | Underexpo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/underexpo-filmic-pro-camera/id6743097823/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 47 MB | 96 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Caplan](https://appshunter.io/developer/1773664677) | [Ali Taha Tuna](https://appshunter.io/developer/1696521477) |

## What reviewers say

### 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


### Underexpo

[App page](https://appshunter.io/ios/app/underexpo-filmic-pro-camera/id6743097823)

This app offers a unique approach to mobile photography, focusing on artistic expression with vintage film filters and effects. It provides powerful yet simple controls for adjusting film grain and chromatic aberration, transforming ordinary shots into nostalgic masterpieces.

**Highlights:** Vintage film filters, Custom LUTs by pro photographers, Adjustable film grain, Chromatic aberration controls, Retro camera aesthetics, Simple, artistic interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Underexpo Pro Weekly | $3.99 | per 7 days |
| Underexpo Pro Monthly | $7.99 | per month |
| Underexpo Pro Annual | $24.99 | per year |
| Underexpo Lifetime Membership | $19.99 | one-time |


## Frequently asked questions

### Is Stackd free?

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

### Is Underexpo free?

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

### Do Stackd or Underexpo have ads?

Neither Stackd nor Underexpo shows ads.

### Which is updated more often, Stackd or Underexpo?

Stackd ships an update every 4 days, and Underexpo fortnightly. Most recently, Stackd was updated on October 14, 2026 and Underexpo 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.*