GL Angler Diary vs PolyWorks|DataLoop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GL Angler Diary
Record your fishing catches and share valuable data with biologists. Track essential details like length, fate, sex, and fin clips for steelhead. Contribute to scientific understanding of fish populations.
- Record fishing catches
- Share data with biologists
- Track steelhead details
- Log length, fate, sex, fin clips
- Contribute to scientific research
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The Great Lakes Angler Diary was developed by Brenton Consulting, LLC, with funding from Michigan State University Extension, Michigan Sea Grant, and Detroit Area Steelheaders. The purpose of this app is to allow anglers to record their catches and share information with biologists. At a minimum, anglers are asked to record the following for all steelhead (rainbow trout) caught during the fishing season: - Length (to nearest quarter inch) - Fate (kept or released) - Sex (male or female) - Fin clips
PolyWorks|DataLoop
Monitor 3D measurement activities and access inspection projects on the go. View detailed results, reports, and navigate color-mapped 3D models directly from your mobile device.
- Monitor 3D measurement activities
- Access inspection projects
- View inspection results
- Access formatted reports
- Navigate color-mapped 3D models
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PolyWorks|DataLoop™ Mobile Interface allows user to monitor 3D measurement activities and open any inspection project in 3D. With PolyWorks|DataLoop Mobile Interface, users can log in and connect to PolyWorks|DataLoop Web Interface Server and: - Search for inspection projects by name or property. - View and search for piece inspection results and formatted reports. - View and navigate the color-mapped 3D model.
Screenshots
Verdict
The clearest difference is device support: GL Angler Diary at 3 against PolyWorks|DataLoop's 1. GL Angler Diary also leads on iOS requirement (12.0 vs 17.0). On price, rating, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for GL Angler Diary against 5.0 for PolyWorks|DataLoop. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
GL Angler Diary ships an update every 6 weeks, PolyWorks|DataLoop every 2 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | GL Angler Diary | PolyWorks|DataLoop |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Sudhiandra Lodd | InnovMetric Software Inc |
Customer experience
GL Angler Diary
PolyWorks|DataLoop
In-app purchases
GL Angler Diary
No in-app purchases
PolyWorks|DataLoop
No in-app purchases
Questions
Is GL Angler Diary free?
Is PolyWorks|DataLoop free?
Which has better reviews, GL Angler Diary or PolyWorks|DataLoop?
Do GL Angler Diary or PolyWorks|DataLoop have ads?
Which is updated more often, GL Angler Diary or PolyWorks|DataLoop?
Other comparisons
