# Double Exposure Effect vs MountBoard Calculator 3

The clearest difference is update cadence: MountBoard Calculator 3 at daily against Double Exposure Effect's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Double Exposure Effect ships an update every 5 days, MountBoard Calculator 3 daily. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Double Exposure Effect | MountBoard Calculator 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/double-exposure-effect/id6473553399/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free | — |
| Size | 5 MB | 2 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Banshchikov](https://appshunter.io/developer/856883894) | [Gavin Meek](https://appshunter.io/developer/940148421) |

## What reviewers say

### Double Exposure Effect

[App page](https://appshunter.io/ios/app/double-exposure-effect/id6473553399)

Blend two images together to create unique and artistic compositions. Select photos from your library or take new ones, then merge them to craft captivating visuals that blend emotions, landscapes, and memories.

**Highlights:** Blend two images, Select photos from library, Capture new photos with camera, Create artistic compositions, Merge emotions and landscapes

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

**In-app purchases:** none


### MountBoard Calculator 3

[App page](https://appshunter.io/ios/app/mountboard-calculator-3/id6744894948)

**In-app purchases:** none


## Frequently asked questions

### Is Double Exposure Effect free?

Double Exposure Effect is free to download, with no in-app purchases.

### Is MountBoard Calculator 3 free?

MountBoard Calculator 3 is free to download, with no in-app purchases.

### Do Double Exposure Effect or MountBoard Calculator 3 have ads?

Neither Double Exposure Effect nor MountBoard Calculator 3 shows ads.

### Which is updated more often, Double Exposure Effect or MountBoard Calculator 3?

Double Exposure Effect ships an update every 5 days, and MountBoard Calculator 3 daily. Most recently, Double Exposure Effect was updated on October 14, 2026 and MountBoard Calculator 3 on October 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.*