# Stop Calculator vs IAMA+

The clearest difference is price: IAMA+ at Free against Stop Calculator's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

IAMA+ is free to download; Stop Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Stop Calculator | IAMA+ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stop-calculator/id6720706774/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Paid | — |
| Size | 1 MB | 76 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eric Hernandez](https://appshunter.io/developer/875120891) | [Raphaelle Engel](https://appshunter.io/developer/6796968361) |

## What reviewers say

### Stop Calculator

[App page](https://appshunter.io/ios/app/stop-calculator/id6720706774)

This tool helps filmmakers quickly compare exposure settings between two cameras. It calculates precise stop differences in real-time, ensuring your shots are perfectly exposed and matched across different setups. Simplify your workflow and eliminate guesswork.

**Highlights:** Compare ISO, t-stop, shutter angle, and FPS, Real-time stop difference calculation, Intuitive interface for filmmakers, Exposure feedback for underexposed/overexposed shots

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

**In-app purchases:** none


### IAMA+

[App page](https://appshunter.io/ios/app/iama-plus/id6797029511)

**In-app purchases:** none


## Frequently asked questions

### Is Stop Calculator free?

Stop Calculator costs $0.99, with no in-app purchases.

### Is IAMA+ free?

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

### Do Stop Calculator or IAMA+ have ads?

Neither Stop Calculator nor IAMA+ shows ads.

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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.*