# Slope Calc vs Face Blender.

The clearest difference is price: Face Blender. at Free against Slope Calc's $0.99. Slope Calc's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Face Blender. is free to download; Slope Calc costs $0.99 up front. Face Blender. sells 1 one-off in-app purchase. Slope Calc asks for nothing beyond the download.

Slope Calc ships an update every 21 months, Face Blender. every 12 months. The most recent releases landed on November 10, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Slope Calc | Face Blender. |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.3 (42 ratings)](https://appshunter.io/ios/app/face-blender/id965645787/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 5.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 12 months** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 12 MB |
| Requires iOS | **7.0** | 9.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Kurashima](https://appshunter.io/developer/806702002) | [Kobi Snir](https://appshunter.io/developer/393343394) |

## What reviewers say

### Slope Calc

[App page](https://appshunter.io/ios/app/slope-calc/id806701999)

**Features:** macOS Compatibility

**In-app purchases:** none


### Face Blender.

[App page](https://appshunter.io/ios/app/face-blender/id965645787)

Easily blend faces from your photo library to create humorous or artistic mixtures. No advanced editing skills are required; simply select images, blend them, and share your creations. This app prioritizes user privacy by not collecting any face or image data.

**Highlights:** Create face mixtures, Select photos from library, Simple blending process, Share creations, No Photoshop skills needed, Privacy focused

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $19.99 | one-time |


## Frequently asked questions

### Is Slope Calc free?

Slope Calc costs $0.99, with no in-app purchases.

### Is Face Blender. free?

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

### Do Slope Calc or Face Blender. have ads?

Face Blender. shows ads; Slope Calc does not.

### Which is updated more often, Slope Calc or Face Blender.?

Slope Calc ships an update every 21 months, and Face Blender. every 12 months. Most recently, Slope Calc was updated on November 10, 2026 and Face Blender. on November 1, 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.*