# Smile Detection vs MoveScope

The clearest difference is in-app purchases: Smile Detection at none against MoveScope's 1. Smile Detection also leads on update cadence (every 2 weeks vs every 5 months). MoveScope's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MoveScope sells 1 one-off in-app purchase. Smile Detection asks for nothing beyond the download.

Smile Detection ships an update every 2 weeks, MoveScope every 5 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smile Detection | MoveScope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Size | 35 MB | 8 MB |
| Requires iOS | **17.7.2** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [yuuki iwamoto](https://appshunter.io/developer/1039662444) |

## What reviewers say

### Smile Detection

[App page](https://appshunter.io/ios/app/smile-detection/id6504737013)

**Features:** macOS Compatibility

**In-app purchases:** none


### MoveScope

[App page](https://appshunter.io/ios/app/movescope/id6756571797)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Development | $2.99 | one-time |


## Frequently asked questions

### Is Smile Detection free?

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

### Is MoveScope free?

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

### Do Smile Detection or MoveScope have ads?

Smile Detection shows ads; MoveScope does not.

### Which is updated more often, Smile Detection or MoveScope?

Smile Detection ships an update every 2 weeks, and MoveScope every 5 months. Most recently, Smile Detection was updated on October 20, 2026 and MoveScope on October 24, 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.*