# Flattr vs Sharp

The clearest difference is in-app purchases: Flattr at none against Sharp's 1. Flattr also leads on iOS requirement (17.6 vs 27.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sharp sells 1 one-off in-app purchase. Flattr asks for nothing beyond the download.

Flattr ships an update every 10 days, Sharp fortnightly. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Flattr | Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/flattr-exposure-blend-and-merge/id6752921647/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free | — |
| Size | 7 MB | 3 MB |
| Requires iOS | **17.6** | 27.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ozgur Odabasi](https://appshunter.io/developer/857719300) | [Pablo Miranda](https://appshunter.io/developer/821775028) |

## What reviewers say

### Flattr

[App page](https://appshunter.io/ios/app/flattr-exposure-blend-and-merge/id6752921647)

Create perfectly balanced photos by merging multiple exposures using advanced GPU exposure fusion. This app allows photographers to stack, overlay, and combine bracketed shots for natural-looking results without filters or subscriptions. Export in TIFF or JPEG formats.

**Highlights:** Real exposure fusion, not filters, Supports RAW (.DNG) and JPEG inputs, TIFF and JPEG export, GPU-accelerated processing, Auto image alignment, Photo stacking and blending, Double exposure and overlay effects

**In-app purchases:** none


### Sharp

[App page](https://appshunter.io/ios/app/sharp-multi-frame-merge/id6814299909)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Sharp | $9.99 | one-time |


## Frequently asked questions

### Is Flattr free?

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

### Is Sharp free?

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

### Do Flattr or Sharp have ads?

Neither Flattr nor Sharp shows ads.

### Which is updated more often, Flattr or Sharp?

Flattr ships an update every 10 days, and Sharp fortnightly. Most recently, Flattr was updated on November 5, 2026 and Sharp on November 1, 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.*
