# Image Upsample vs Defndr

The clearest difference is rating: Image Upsample at 5.0 against Defndr's 3.0. Image Upsample also leads on device support (3 vs 1) and iOS requirement (14.1 vs 18.0). Defndr's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Image Upsample sells 3 one-off in-app purchases and Defndr sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

Image Upsample holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Image Upsample ships an update every 2 months, Defndr every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Image Upsample | Defndr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/image-upsample/id1556617503/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/defndr-sms-spam-blocker/id6744261309/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 26 MB |
| Requires iOS | **14.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [子尧 纵](https://appshunter.io/developer/1551530272) | [DRO1D LABS LIMITED](https://appshunter.io/developer/1803083780) |

## What reviewers say

### Image Upsample

[App page](https://appshunter.io/ios/app/image-upsample/id1556617503)

Enhance the clarity of your mobile photos by increasing their resolution. Simply select an image and tap a button to automatically process and magnify it, making details sharper and more visible.

**Highlights:** Magnify image resolution, Automatic processing, Improve image clarity, Supports selected resolutions up to 1200*1200, AI-powered enhancement

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Energy Ore | $2.99 | one-time |
| 36 Energy Ore | $8.99 | one-time |
| 120 Energy Ore | $27.99 | one-time |


### Defndr

[App page](https://appshunter.io/ios/app/defndr-sms-spam-blocker/id6744261309)

This app acts as an SMS firewall, using on-device AI to detect and block spam, phishing, and scams. It prioritizes user privacy by processing all data locally on your device, ensuring your messages never leave your iPhone. Offers both free and premium features for enhanced protection.

**Highlights:** On-device AI spam detection, Phishing and scam blocking, Zero-trust privacy, Custom keyword blocking, Link protection, Unlimited custom block lists (Pro), Allow lists for trusted contacts (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Defndr Premium Yearly | $14.99 | per year |
| Defndr Lifetime Premium Access | $34.99 | one-time |


## Frequently asked questions

### Is Image Upsample free?

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

### Is Defndr free?

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

### Which has better reviews, Image Upsample or Defndr?

Image Upsample is rated higher. Image Upsample averages 5.0 out of 5 from 2 ratings, while Defndr averages 3.0 from 2 ratings.

### Do Image Upsample or Defndr have ads?

Image Upsample shows ads; Defndr does not.

### Which is updated more often, Image Upsample or Defndr?

Image Upsample ships an update every 2 months, and Defndr every 3 weeks. Most recently, Image Upsample was updated on November 3, 2026 and Defndr on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*