# John Murray Learning vs Rollog

The clearest difference is update cadence: Rollog at every 3 weeks against John Murray Learning's every 15 months. John Murray Learning's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. John Murray Learning sells 7 one-off in-app purchases and Rollog sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

John Murray Learning ships an update every 15 months, Rollog every 3 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | John Murray Learning | Rollog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rollog-inline-skate-tracker/id6791638361/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 96 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hachette UK (Holdings)Limited](https://appshunter.io/developer/361205465) | [TZU HSUN LIN](https://appshunter.io/developer/6787814422) |

## What reviewers say

### John Murray Learning

[App page](https://appshunter.io/ios/app/john-murray-learning/id1515743681)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 6 Credits | $5.99 | one-time |
| Pack of 10 Credits | $9.99 | one-time |
| Pack of 11 Credits | $10.99 | one-time |
| Pack of 13 Credits | $12.99 | one-time |
| Pack of 15 Credits | $14.99 | one-time |
| Pack of 17 Credits | $16.99 | one-time |
| Pack of 20 Credits | $19.99 | one-time |


### Rollog

[App page](https://appshunter.io/ios/app/rollog-inline-skate-tracker/id6791638361)

Track your inline skating sessions with GPS, detailed stats, and personalized reminders. Log your rides, compare your progress on familiar routes, and manage your gear. Offers a privacy-first approach with all data stored locally.

**Highlights:** GPS route tracking with auto-pause, Skating-specific calorie model, Automatic session logging with notes and photos, Same-route performance comparison, Voice announcements and reminders, Slope and downhill alerts, Gear mileage and maintenance tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rollog Pro | $4.99 | one-time |


## Frequently asked questions

### Is John Murray Learning free?

John Murray Learning is free to download, with in-app purchases available.

### Is Rollog free?

Rollog is free to download, with in-app purchases available.

### Do John Murray Learning or Rollog have ads?

Neither John Murray Learning nor Rollog shows ads.

### Which is updated more often, John Murray Learning or Rollog?

John Murray Learning ships an update every 15 months, and Rollog every 3 weeks. Most recently, John Murray Learning was updated on September 26, 2026 and Rollog on September 17, 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.*