# SiApp vs Sherlock

The clearest difference is in-app purchases: SiApp at none against Sherlock's 2. SiApp also leads on iOS requirement (13.0 vs 16.0). Sherlock's advantage is update cadence (every 5 days vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. Sherlock sells 2 in-app purchases, starting at $6.99 per 7 days. SiApp asks for nothing beyond the download.

SiApp ships an update every 23 months, Sherlock every 5 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SiApp | Sherlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sherlock-reverse-image-search/id6779946193/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 28 MB | 16 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [JOSE EDUARDO FERRERA](https://appshunter.io/developer/1543586154) | [Dr. Duck and His Friends Technology Co.](https://appshunter.io/developer/1871369368) |

## What reviewers say

### SiApp

[App page](https://appshunter.io/ios/app/siapp/id1554687101)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sherlock

[App page](https://appshunter.io/ios/app/sherlock-reverse-image-search/id6779946193)

Identify the origin and authenticity of images. This tool checks where a photo appears online, detects AI-generated content, and describes its contents, helping you verify pictures before trusting them.

**Highlights:** Reverse image search, AI-generated photo detection, Image content identification, On-device search history, Encrypted photo uploads, No account required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sherlock X Premium Weekly | $6.99 | per 7 days |
| Sherlock X Premium Yearly | $69.99 | per year |


## Frequently asked questions

### Is SiApp free?

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

### Is Sherlock free?

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

### Do SiApp or Sherlock have ads?

Neither SiApp nor Sherlock shows ads.

### Which is updated more often, SiApp or Sherlock?

SiApp ships an update every 23 months, and Sherlock every 5 days. Most recently, SiApp was updated on October 5, 2026 and Sherlock on October 11, 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.*