# Jamline vs ref

The clearest difference is rating: ref at 4.9 against Jamline's 3.7. ref also leads on ads (none vs shown) and ratings volume (9 vs 3). Jamline's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

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

ref holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 3 and 9 respectively.

Jamline ships an update every 11 days, ref weekly. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Jamline | ref |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/jamline/id1488464386/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/ref-ology/id6747456171/reviews)** |
| Number of ratings | 3 | **9** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 80 MB | 126 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Samuel Fuentes](https://appshunter.io/developer/1488464385) | [Ref-ology](https://appshunter.io/developer/1821525658) |

## What reviewers say

### Jamline

[App page](https://appshunter.io/ios/app/jamline/id1488464386)

Connect with fellow musicians, industry professionals, and fans on a dedicated social platform. Showcase your talent, discover new opportunities, and build your music career.

**Highlights:** Connect with musicians, Network with industry professionals, Reach new fans, Showcase talent, Discover opportunities

**Features:** macOS Compatibility

**In-app purchases:** none


### ref

[App page](https://appshunter.io/ios/app/ref-ology/id6747456171)

This app helps referees master the inner game through reflection, presence, and practice. It offers educational resources, game film breakdowns, and live events to sharpen skills and deepen understanding. Built by officials, for officials, it fosters a community for growth and networking.

**Highlights:** Training videos and game film analysis, Expert breakdowns, Live webinars and mentoring, On-demand sessions, Interactive space for confidence and awareness, Community for questions and feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is Jamline free?

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

### Is ref free?

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

### Which has better reviews, Jamline or ref?

ref is rated higher. Jamline averages 3.7 out of 5 from 3 ratings, while ref averages 4.9 from 9 ratings.

### Do Jamline or ref have ads?

Jamline shows ads; ref does not.

### Which is updated more often, Jamline or ref?

Jamline ships an update every 11 days, and ref weekly. Most recently, Jamline was updated on October 2, 2026 and ref on October 11, 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.*