# GL Angler Diary vs PolyWorks|DataLoop

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.

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.

## The numbers

| Metric | GL Angler Diary | PolyWorks|DataLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gl-angler-diary/id1225089818/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/polyworksdataloop/id1497059661/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 11 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sudhiandra Lodd](https://appshunter.io/developer/1225089813) | [InnovMetric Software Inc](https://appshunter.io/developer/422670141) |

## What reviewers say

### GL Angler Diary

[App page](https://appshunter.io/ios/app/gl-angler-diary/id1225089818)

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.

**Highlights:** Record fishing catches, Share data with biologists, Track steelhead details, Log length, fate, sex, fin clips, Contribute to scientific research

**Features:** macOS Compatibility

**In-app purchases:** none


### PolyWorks|DataLoop

[App page](https://appshunter.io/ios/app/polyworksdataloop/id1497059661)

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.

**Highlights:** Monitor 3D measurement activities, Access inspection projects, View inspection results, Access formatted reports, Navigate color-mapped 3D models

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GL Angler Diary free?

GL Angler Diary is free to download, with no in-app purchases.

### Is PolyWorks|DataLoop free?

PolyWorks|DataLoop is free to download, with no in-app purchases.

### Which has better reviews, GL Angler Diary or PolyWorks|DataLoop?

GL Angler Diary and PolyWorks|DataLoop are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do GL Angler Diary or PolyWorks|DataLoop have ads?

Neither GL Angler Diary nor PolyWorks|DataLoop shows ads.

### Which is updated more often, GL Angler Diary or PolyWorks|DataLoop?

GL Angler Diary ships an update every 6 weeks, and PolyWorks|DataLoop every 2 months. Most recently, GL Angler Diary was updated on October 14, 2026 and PolyWorks|DataLoop on October 7, 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.*