# Gloworm Link vs Clutha District Libraries

Gloworm Link and Clutha District Libraries 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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Gloworm Link | Clutha District Libraries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/gloworm-link/id1562597190/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 127 MB | 50 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gloworm Performance Products Limited](https://appshunter.io/developer/6791856972) | [Clutha District Libraries](https://appshunter.io/developer/1841898515) |

## What reviewers say

### Gloworm Link

[App page](https://appshunter.io/ios/app/gloworm-link/id1562597190)

Customize your bike light's settings, including brightness, flash patterns, and number of levels. Monitor battery life and create custom profiles for different riding conditions. This app offers full control over your light's performance.

**Highlights:** Adjust light levels, Set fixed beam or flash patterns, Select from 3 flash patterns, Control brightness (1-100%), View battery runtime, Monitor real-time battery info, Create custom riding profiles

**Features:** macOS Compatibility

**In-app purchases:** none


### Clutha District Libraries

[App page](https://appshunter.io/ios/app/clutha-district-libraries/id6752954614)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Gloworm Link free?

Gloworm Link is free to download, with no in-app purchases.

### Is Clutha District Libraries free?

Clutha District Libraries is free to download, with no in-app purchases.

### Do Gloworm Link or Clutha District Libraries have ads?

Neither Gloworm Link nor Clutha District Libraries shows ads.

### Which is updated more often, Gloworm Link or Clutha District Libraries?

Gloworm Link ships an update every 2 months, and Clutha District Libraries every 2 months. Most recently, Gloworm Link was updated on September 30, 2026 and Clutha District Libraries on October 3, 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.*