# RapidExposure vs 易占い

The clearest difference is price: 易占い at Free against RapidExposure's $0.99. RapidExposure's advantage is ads (none vs shown) and iOS requirement (12.0 vs 16.0). On update cadence, in-app purchases and device support there is nothing between them.

易占い is free to download; RapidExposure costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RapidExposure ships an update every 2 months, 易占い monthly. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | RapidExposure | 易占い |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 20 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [HIROFUMI MARUO](https://appshunter.io/developer/667820705) | [Tetsutaro Yamamoto](https://appshunter.io/developer/1208906259) |

## What reviewers say

### RapidExposure

[App page](https://appshunter.io/ios/app/rapidexposure/id839420903)

This app transforms your iPhone into a professional exposure meter. It continuously measures light and displays ISO, F-stop, and shutter speed values without needing to take a photo. You can adjust these settings and lock the exposure to save a reference image with the calculated values.

**Highlights:** Real-time exposure measurement, Adjustable ISO, F-stop, and shutter speed, Exposure lock and reference value saving, History of saved exposure values, Tap-to-adjust exposure on preview, Detailed 1/3 step display mode

**Features:** macOS Compatibility

**In-app purchases:** none


### 易占い

[App page](https://appshunter.io/ios/app/id1208906260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RapidExposure free?

RapidExposure costs $0.99, with no in-app purchases.

### Is 易占い free?

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

### Do RapidExposure or 易占い have ads?

易占い shows ads; RapidExposure does not.

### Which is updated more often, RapidExposure or 易占い?

RapidExposure ships an update every 2 months, and 易占い monthly. Most recently, RapidExposure was updated on October 29, 2026 and 易占い on October 26, 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.*