FaceDiff vs NSMB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FaceDiff
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.
- Accurate image comparison
- Easy to use interface
- Focus on facial photo comparison
- Supports before-and-after makeup visuals
- Utilizes external camera for other comparisons
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FaceDiff は画像の比較を正確、そして簡単にできるようにした画像比較アプリです。 ・顔写真の比較に注力しており、メイクのビフォーアフターなどに適しています。 ・もちろん、外カメラの使用も可能なので顔写真以外の比較にも利用できます。 改善してほしい箇所などありましたらお気軽にレビューお願いします。
NSMB
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.
- Real-time motion blur preview
- Adjustable shutter, sample count, and blur strength
- H.264 export with hardware acceleration
- Save directly to gallery
- No watermark
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Are your action videos choppy and stuttery? NSMB adds the smooth, cinematic motion blur that makes fast movement look fluid, the same effect used in films. Using advanced optical-flow analysis, it blends frames naturally, without making the video look smeared or fake. WHAT YOU CAN DO - Preview motion blur in real time, before exporting - Fine-tune shutter, sample count and blur strength - Export in H.264 with hardware acceleration - Save straight to your gallery Perfect for action clips, sports, slow motion, and giving any video a filmic finish. No watermark. REMOVE ADS Optional in-app purchases remove all ads: a one-time payment, or a monthly or yearly subscription. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed in your App Store account settings. Terms of Use: https://wallisondev.com/en/apps/nsmb/terms-and-conditions Privacy Policy: https://wallisondev.com/en/apps/nsmb/privacy-policy
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FaceDiff | NSMB |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (7 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Daily — better | Every 8 days |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Emotional Bloom | WallisonDev LTDA |
Customer experience
FaceDiff
NSMB
In-app purchases
FaceDiff
No in-app purchases
NSMB
- Remove Ads, Monthly$3.991 Month
- Remove Ads, Yearly$14.991 Year
- Remove Ads Forever$29.99
