Sherlock vs Follower Mirror
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sherlock
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.
- Reverse image search
- AI-generated photo detection
- Image content identification
- On-device search history
- Encrypted photo uploads
- No account required
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Sherlock is a reverse image search and AI photo checker. Drop in a photo and Sherlock shows you where that image already appears online, whether it looks AI-generated, and what's in it — so you can check a picture before you trust it. WHY SHERLOCK A photo can be borrowed, resold, or generated. Before you act on one, it's worth knowing whether it has been somewhere else first. WHAT YOU CAN DO • Reverse Image Search — find the public pages and sites where the same picture already appears. • Spot AI-Generated Photos — get a score for how likely a picture was made by AI. • Identify What's in the Photo — get a plain description of the object shown. • Keep Your Results — past checks are saved on your device, and only there. HOW IT WORKS 1. Pick a photo, take one, or paste an image address. 2. Sherlock runs a reverse image search and an AI-generation check. 3. You get a report: where the image appears, how AI-likely it looks, and what it shows. GOOD FOR • A listing photo that looks too good for the price. • A picture someone sent you that feels off. • Checking whether an image is a real photo or AI output. • Finding pages that are using a photo of your own. WHOLE-IMAGE SEARCH, NOT FACE RECOGNITION Sherlock matches the whole picture. It is not facial recognition. It does not detect, scan, or map faces, and it never creates or stores biometric data. It finds public web pages where the same image already appears. PRIVACY • Photos are uploaded over an encrypted connection only to run your check, then deleted from our servers right after — never used to train AI. • Your search history stays on your device. Turn it off or clear it anytime in Settings. • No name or email needed to get started. • Before your first check, Sherlock names every service your photo is sent to. AI NOTICE Reports are generated automatically and can be incomplete or inaccurate. Sherlock gives you signals, not verdicts — always verify before acting. FREE & PREMIUM Start with a free check each day. Premium unlocks unlimited checks and full reports. Subscriptions renew automatically unless canceled; manage anytime in your App Store account. Privacy Policy: https://www.imagesearch.mobi/privacy Terms of Service: https://www.imagesearch.mobi/terms
Follower Mirror
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Follower Mirror analyzes lists of followers and accounts you follow from ZIP or JSON export files you explicitly select in the Files app. No Instagram login is required. The app does not authenticate with Instagram, access your account, request a password, use cookies or tokens, call private APIs, scrape data, automate account actions, or monitor accounts in real time. Follower Mirror is not affiliated with, sponsored by, or endorsed by Meta or Instagram. How it works: 1. Export your data through the source platform and save the ZIP or JSON file on your device. 2. Choose the file through the iOS Files picker. 3. The app processes the lists locally and shows results based only on the selected file contents. Results can include: - followers and accounts you follow listed in the imported file; - people you follow who do not follow you back; - people who follow you that you do not follow back; - new names in the latest export; - names from the previous export missing from the latest export. Missing from the latest export means only that the name does not appear in the latest imported file. The app does not identify the reason for absence, confirm an unfollow, or claim a live account state. The raw ZIP or JSON file is not kept after reading. The first import shows totals and a limited preview. Pro unlocks full lists, additional comparisons, history, metrics, hidden-profile controls, optional private iCloud sync for processed imports, monthly import reminders, and local CSV and HTML reports. Pro purchases are handled by Apple through StoreKit. You can delete one saved import or all local data in the app. Pro users can also remove processed imports from private iCloud storage. Terms of use: https://nogueirathiago.github.io/quem-te-segue-legal/en-us/terms.html
Screenshots
Verdict
Sherlock and Follower Mirror are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Sherlock sells 2 in-app purchases, starting at $6.99 per 7 days and Follower Mirror sells 2 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.
Sherlock ships an update every 5 days, Follower Mirror every 6 days. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.
| Parameter | Sherlock | Follower Mirror |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Dr. Duck and His Friends Technology Co. | Thiago Nogueira |
In-app purchases
Sherlock
- Sherlock X Premium Weekly$6.997 Days
- Sherlock X Premium Yearly$69.991 Year
Follower Mirror
- Quem te segue Pro Anual$2.991 Year
- Lifetime Pro$4.99









