# Image Assistant vs Abacus Genius Perfect Practice

The clearest difference is price: Image Assistant at Free against Abacus Genius Perfect Practice's $3.99. Image Assistant also leads on in-app purchases (none vs 1) and iOS requirement (6.0 vs 13.4). Abacus Genius Perfect Practice's advantage is update cadence (every 4 days vs every 37 months). On ads and device support there is nothing between them.

Image Assistant is free to download; Abacus Genius Perfect Practice costs $3.99 up front. Abacus Genius Perfect Practice sells 1 in-app purchase, starting at $3.99 per month. Image Assistant asks for nothing beyond the download.

Image Assistant ships an update every 37 months, Abacus Genius Perfect Practice every 4 days. The most recent releases landed on June 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Image Assistant | Abacus Genius Perfect Practice |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/image-assistant/id1029051704/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 10 MB | 37 MB |
| Requires iOS | **6.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Schalltechnik Dr.-Ing. Schoeps GmbH](https://appshunter.io/developer/1029051703) | [Diptimaya Patra](https://appshunter.io/developer/1726820679) |

## What reviewers say

### Image Assistant

[App page](https://appshunter.io/ios/app/image-assistant/id1029051704)

This app calculates and graphically illustrates the localization curves for various stereo microphone setups. It also offers an auralization feature to hear the sound produced by the selected configuration.

**Highlights:** Calculates localization curves, Supports 2- and 3-channel stereo microphones, Graphic illustration of curves, Auralization of microphone configurations, Playback of sound

**Features:** macOS Compatibility

**In-app purchases:** none


### Abacus Genius Perfect Practice

[App page](https://appshunter.io/ios/app/abacus-genius-perfect-practice/id6477358095)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $3.99 | per month |


## Frequently asked questions

### Is Image Assistant free?

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

### Is Abacus Genius Perfect Practice free?

Abacus Genius Perfect Practice costs $3.99, and also offers in-app purchases.

### Do Image Assistant or Abacus Genius Perfect Practice have ads?

Neither Image Assistant nor Abacus Genius Perfect Practice shows ads.

### Which is updated more often, Image Assistant or Abacus Genius Perfect Practice?

Image Assistant ships an update every 37 months, and Abacus Genius Perfect Practice every 4 days. Most recently, Image Assistant was updated on June 11, 2026 and Abacus Genius Perfect Practice on September 18, 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.*