# Mango Exposure vs Bookfolio

The clearest difference is update cadence: Mango Exposure at every 2 weeks against Bookfolio's every 2 months. Bookfolio's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mango Exposure sells 1 one-off in-app purchase and Bookfolio sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Mango Exposure ships an update every 2 weeks, Bookfolio every 2 months. The most recent releases landed on August 29, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Mango Exposure | Bookfolio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mango-exposure-the-calculator/id1487020105/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 70 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mango Umbrella LLC](https://appshunter.io/developer/508676284) | [Merdy MOUANGA](https://appshunter.io/developer/1741324218) |

## What reviewers say

### Mango Exposure

[App page](https://appshunter.io/ios/app/mango-exposure-the-calculator/id1487020105)

Calculate precise long exposure times with ND filter compensation and depth of field parameters. Supports various sensor sizes and measurement units, with a built-in timer for extended shots. Offers light and dark modes for iOS devices.

**Highlights:** ND filter compensation up to 20 stops, Multiple filter notation formats, Built-in countdown timer, Hyperfocal distance calculation, Support for various sensor sizes, Switchable measurement units (meters/feet), Light and dark appearance modes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Bookfolio

[App page](https://appshunter.io/ios/app/bookfolio/id6497331517)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $2.99 | per month |
| Creator — Monthly | $4.99 | per month |
| Pro — Yearly | $24.99 | per year |
| Creator — Yearly | $49.99 | per year |


## Frequently asked questions

### Is Mango Exposure free?

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

### Is Bookfolio free?

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

### Do Mango Exposure or Bookfolio have ads?

Neither Mango Exposure nor Bookfolio shows ads.

### Which is updated more often, Mango Exposure or Bookfolio?

Mango Exposure ships an update every 2 weeks, and Bookfolio every 2 months. Most recently, Mango Exposure was updated on August 29, 2026 and Bookfolio on September 9, 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.*