# PicDiff vs Spam Text Blocker

The clearest difference is ads: Spam Text Blocker at none against PicDiff's shown. Spam Text Blocker also leads on review sentiment (100% vs 67%) and ratings volume (11 vs 2). PicDiff's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. PicDiff sells 1 one-off in-app purchase and Spam Text Blocker sells 4 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for PicDiff against 4.5 for Spam Text Blocker. That said, the two scores are not equally well evidenced: Spam Text Blocker has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 67% of PicDiff's written reviews are positive against 100% of Spam Text Blocker's.

PicDiff ships an update monthly, Spam Text Blocker every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PicDiff | Spam Text Blocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/picdiff/id1266238855/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/spam-text-blocker-filtera/id6741700342/reviews)** |
| Number of ratings | 2 | **11** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 23 MB | 27 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aceca Corp.](https://appshunter.io/developer/983165401) | [Dimas Ashidiqi](https://appshunter.io/developer/1698444614) |

## What reviewers say

### PicDiff

[App page](https://appshunter.io/ios/app/picdiff/id1266238855)

Compare photos with precision by overlaying two images. Analyze subtle differences down to the pixel with an intuitive and user-friendly interface, perfect for professionals and enthusiasts alike.

**Highlights:** Overlay comparisons, Pixel-level precision, User-friendly interface, In-depth photo analysis, Subtle variation detection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $17.99 | one-time |


### Spam Text Blocker

[App page](https://appshunter.io/ios/app/spam-text-blocker-filtera/id6741700342)

Automatically detect and block unwanted text messages using on-device AI. Keep your inbox clean and secure with customizable filters for SMS and RCS. Enjoy a distraction-free messaging experience.

**Highlights:** Automatic spam blocking with AI, On-device privacy, Customizable filters, SMS & RCS message filtering, Blocks 99% of spam texts

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.49 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $11.99 | one-time |
| Lifetime Pro | $14.99 | one-time |


## Frequently asked questions

### Is PicDiff free?

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

### Is Spam Text Blocker free?

Spam Text Blocker is free to download, with in-app purchases available.

### Which has better reviews, PicDiff or Spam Text Blocker?

Spam Text Blocker is rated higher. PicDiff averages 4.5 out of 5 from 2 ratings, while Spam Text Blocker averages 4.5 from 11 ratings.

### Do PicDiff or Spam Text Blocker have ads?

PicDiff shows ads; Spam Text Blocker does not.

### Which is updated more often, PicDiff or Spam Text Blocker?

PicDiff ships an update monthly, and Spam Text Blocker every 3 weeks. Most recently, PicDiff was updated on October 29, 2026 and Spam Text Blocker 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.*