iDfish vs FishLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDfish
Instantly identify fish species using advanced on-device AI, even without an internet connection. Access crucial fishing regulations, size limits, and handling advice for your catch. Maximize fish survival and fish legally with this comprehensive tool.
- Offline AI photo identification
- Instant species identification
- Legal size limits
- Protection and release requirements
- Eating quality information
- Fishing regulation data
- Large line-caught fish database
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iDfish - AI Fish Identification & Fishing Regulations Identify your catch instantly using advanced on-device AI. Fish smarter, faster, and legally - even without an internet connection. AI Photo Identification - Works Offline iDfish features advanced AI photo recognition that analyses a photo of your catch to assist with fast and accurate species identification. Trained on thousands of high-quality, real-world images, the AI recognises natural variations in colour, shape, and size as fish and other marine species appear when freshly caught. This feature runs entirely on your device and does not require an internet connection, making it reliable wherever you fish. Once identified, instantly access: • Legal size limits (where applicable) • Protection and release requirements • Eating quality information All in under 60 seconds, helping maximise survival when fish are returned to the water. Trusted Fishing Data in the Field iDfish provides reliable and consistent fishing information designed specifically for real-world fishing conditions. Whether you use AI photo recognition or manual browsing, the app helps you quickly confirm: • Species identification • Size and possession limits • Protection status and closures • Eating quality and handling advice The World’s Largest Line-Caught Fish Database with Regulation Information iDfish contains the largest database of line-caught fish species with regulation information available on any mobile application. All images are: • High-quality and high-resolution • Photographed as fish appear freshly caught • Free from tank photos, underwater shots, dead fish, or illustrations Because fish can vary significantly due to stress, environment, or age, iDfish includes multiple colour phases and species comparison tools, making accurate identification fast and practical. Works Completely Offline iDfish works offline in the field, including AI photo recognition. Any trip data you record will automatically sync to your account when an internet connection becomes available. Note: Due to the size of the image database, a Wi-Fi connection is required for the initial download from the App Store. You are also required to create an account and log in before offline use is available. iDfish Yearly Subscription A yearly subscription ensures your fishing data stays current and compliant. Subscription Details • $9.99 per year, automatically renewed unless cancelled • First month free for new users • Payment charged to your iTunes account upon confirmation Subscription Includes • Ongoing updates to fish images and species data • Current size limits and regulations • Regional closures and protection updates • Daily almanac data Automatic Renewal • Subscription renews unless auto-renew is disabled at least 24 hours before expiry • Renewal charged within 24 hours prior to the end of the period • Manage subscriptions in your account settings • No cancellation during an active subscription period Terms and conditions: http://idfish.com.au/terms-and-conditions
FishLock
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FishLock - Identify and measure fish in seconds, completely offline. FishLock identifies 640 species, measures catches to ±0.25", and keeps your photos and catch log private on your phone. Try it free with 5 fish identifications. Like it? Unlock unlimited use with one one-time purchase. No subscription. No account. No cloud. FishLock uses advanced computer vision to identify and measure fish in real time, with no reference object required. Species identification is powered by world-class Fishial.ai technology, developed by the Wye Foundation and adapted to run directly on your device. * Identify 640 of the most commonly fished species in seconds * Measure fish to ±0.25" with no reference object needed * Get 5 fish identifications free * Unlock unlimited use with a one-time purchase * Save photos and catches to your private logbook * Works without cell service, Wi-Fi, or an internet connection * No subscription and no account required * Simple to use and suitable for all ages FishLock is a fully offline, on-device app built for wherever you fish, from backwaters and mountains to offshore waters.Identification, measurement, photos, and catch data stay on your device. Your fishing data never leaves your phone. FishLock - Cloud-Free Fishing Thank you for supporting an independent app developer.
Screenshots
Verdict
The clearest difference is in-app purchases: FishLock at none against iDfish's 5. FishLock also leads on update cadence (every 5 days vs every 6 months). On price, ads, device support and iOS requirement 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. iDfish sells 5 in-app purchases, starting at $5.99 per year. FishLock asks for nothing beyond the download.
iDfish ships an update every 6 months, FishLock every 5 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.
| Parameter | iDfish | FishLock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | — |
| Positive reviews | 88.4% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 1.9 GB | 220 MB |
| Age rating | 9+ | 4+ |
| Developer | IDVIABILITY PTY LTD | Matthew Berlin |
Bugs and requests
iDfish
Reported bugs
6 issues- Known bug with some devices
- App crashes every time trying to login
- Login unsuccessful message
- Some fish sizes and bag limits not showing
- Issues with region selection
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- App not working well or at all after payment
Requested features
3 requests- Option to create multiple favorite lists
- Super basic 'lite' edition for casual users
- Sketch or photo with location for brain spiking different species
FishLock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iDfish
- One year auto renewal subscription$5.991 Year
- iDfish Yearly Subscription1 Month trial$6.491 Year
- Packet of Lures$1.99
- Bag of Lures$3.99
- Box of Lures$5.99
FishLock
No in-app purchases









