dfirOS vs Tracer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dfirOS
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dfirOS Viewer opens supported disk images on iPhone and iPad. Select an image in Files or on external storage, then browse folders on demand without importing or indexing the entire image. For split images, select the segments or grant access to their containing folder. Preview individual files, inspect metadata and hex bytes, and calculate a selected file’s hash. Evidence is opened read only and remains on your device. This is a viewer; image wide analysis and reporting are available in dfirOS for Mac. E01 · AFF · AFF4 · raw/dd PDF · plist · SQLite · Office · EXIF Annual and monthly subscriptions provide access on Mac and iOS with the same Apple Account. Prices are shown in the app. Subscriptions renew automatically unless canceled in your App Store account settings. The app interface is in English. Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula/
Tracer
Monitor all network requests your iPhone makes in real-time, locally on your device. Identify third-party services, inspect request details, and understand where your data is going without it ever leaving your phone.
- Real-time network request monitoring
- Inspect headers, bodies, and timing
- Identify third-party services
- Visualize server locations on a globe
- Local data processing for privacy
- No account required
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Ever wonder what your apps are actually doing? Tracer lets you watch every network request your iPhone makes in real time. See where your data goes, who’s receiving it, and exactly what’s being sent - all without your traffic ever leaving your device. WATCH TRAFFIC LIVE * Every request flies across a live 3D globe * Inspect headers, bodies, timing, status codes, and more * See exactly where each server lives SEE WHO’S REALLY BEHIND AN APP * Instantly identify analytics, ads, payments, crash reporting, AI, and other third-party services * See who’s hosting them: AWS, Google Cloud, Cloudflare, and more PRIVATE BY DESIGN * Everything runs locally on your iPhone * Traffic is never uploaded * Your certificates are generated on-device and never leaves it * No account required BUILT FOR * App-curious who want to learn what apps are built with * Developers debugging APIs * QA teams testing apps on real devices * Privacy nerds who want receipts Setup takes just a few minutes. Install Tracer’s certificate, start a capture, and open any app. Your phone. Your traffic. Your business. ~~~~~~~~~~~~~~~~~~~~~ Tracer is free to use. Certain features require a paid subscription. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Tracer at daily against dfirOS's monthly. dfirOS's advantage is device support (3 vs 1) and iOS requirement (16.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.
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. dfirOS sells 2 in-app purchases, starting at $6.99 per month and Tracer sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
dfirOS ships an update monthly, Tracer daily. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | dfirOS | Tracer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Monthly | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 19 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | tumiOS LLC | Ryan Kotzebue |
In-app purchases
dfirOS
- dfirOS Pro Monthly$6.991 Month
- dfirOS Pro3 Days trial$49.991 Year
Tracer
- Pro access$4.997 Days
- Pro access7 Days trial$59.991 Year
- Pro access$199.00









