# FaceDiff vs NSMB

The clearest difference is review sentiment: FaceDiff at 100% against NSMB's 0%. FaceDiff also leads on in-app purchases (none vs 3) and update cadence (daily vs every 8 days). NSMB's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. NSMB sells 3 in-app purchases, starting at $3.99 per month. FaceDiff asks for nothing beyond the download.

FaceDiff ships an update daily, NSMB every 8 days. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | FaceDiff | NSMB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/nsmb-motion-blur-video/id6782219734/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 8 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 78 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Emotional Bloom](https://appshunter.io/developer/1669530610) | [WallisonDev LTDA](https://appshunter.io/developer/1710283057) |

## What reviewers say

### FaceDiff

[App page](https://appshunter.io/ios/app/facediff/id6445867541)

This app simplifies image comparison, focusing on facial photos for before-and-after comparisons like makeup. It also supports external camera use for comparing other types of images.

**Highlights:** Accurate image comparison, Easy to use interface, Focus on facial photo comparison, Supports before-and-after makeup visuals, Utilizes external camera for other comparisons

**In-app purchases:** none


### NSMB

[App page](https://appshunter.io/ios/app/nsmb-motion-blur-video/id6782219734)

Enhance your action videos with smooth, cinematic motion blur. This app uses advanced optical-flow analysis to blend frames naturally, making fast movement look fluid like in films. Fine-tune blur settings and export in H.264.

**Highlights:** Real-time motion blur preview, Adjustable shutter, sample count, and blur strength, H.264 export with hardware acceleration, Save directly to gallery, No watermark

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads, Monthly | $3.99 | per month |
| Remove Ads, Yearly | $14.99 | per year |
| Remove Ads Forever | $29.99 | one-time |


## Frequently asked questions

### Is FaceDiff free?

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

### Is NSMB free?

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

### Do FaceDiff or NSMB have ads?

Both FaceDiff and NSMB show ads.

### Which is updated more often, FaceDiff or NSMB?

FaceDiff ships an update daily, and NSMB every 8 days. Most recently, FaceDiff was updated on October 13, 2026 and NSMB on October 28, 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.*