# SmartFeeder vs amscan

The clearest difference is in-app purchases: SmartFeeder at none against amscan's 2. SmartFeeder also leads on iOS requirement (15.1 vs 18.6). amscan's advantage is update cadence (every 11 days vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. amscan sells 2 one-off in-app purchases. SmartFeeder asks for nothing beyond the download.

SmartFeeder ships an update every 10 months, amscan every 11 days. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SmartFeeder | amscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/amscan/id6749589715/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 20 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [aq1systems](https://appshunter.io/developer/1693235872) | [Dariush Majidi](https://appshunter.io/developer/1740614809) |

## What reviewers say

### SmartFeeder

[App page](https://appshunter.io/ios/app/smartfeeder/id6450425350)

**Features:** macOS Compatibility

**In-app purchases:** none


### amscan

[App page](https://appshunter.io/ios/app/amscan/id6749589715)

Visualize room modes in 3D using LiDAR scanning. Capture room geometry to instantly calculate acoustic modes, aiding in sound design and optimization for audiophiles and professionals. Offers free basic calculations with an in-app purchase for advanced modes.

**Highlights:** LiDAR room scanning, 3D room mode visualization, Automatic 3D model creation, Augmented Reality mode visualization, Basic acoustic data (RT60, Schroeder Freq, Volume), Unlimited room scanning

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simulation Geometry | $3.99 | one-time |
| Additional Room Modes | $6.99 | one-time |


## Frequently asked questions

### Is SmartFeeder free?

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

### Is amscan free?

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

### Do SmartFeeder or amscan have ads?

Neither SmartFeeder nor amscan shows ads.

### Which is updated more often, SmartFeeder or amscan?

SmartFeeder ships an update every 10 months, and amscan every 11 days. Most recently, SmartFeeder was updated on September 25, 2026 and amscan on September 23, 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.*