# JM vs GPS Track Log

The clearest difference is in-app purchases: JM at none against GPS Track Log's 2. JM also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). GPS Track Log's advantage is update cadence (every 10 days vs monthly). On price and device support there is nothing between them.

Both are free to download. GPS Track Log sells 2 one-off in-app purchases. JM asks for nothing beyond the download.

JM ships an update monthly, GPS Track Log every 10 days. The most recent releases landed on November 13, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | JM | GPS Track Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Size | 18 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Japan Radio Co.,Ltd.](https://appshunter.io/developer/932220259) | [HIROTAKA SAKAIDA](https://appshunter.io/developer/1857080169) |

## What reviewers say

### JM

[App page](https://appshunter.io/ios/app/jm-watcher/id932220260)

**In-app purchases:** none


### GPS Track Log

[App page](https://appshunter.io/ios/app/gps-track-log/id6761366111)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Another coffee | $0.99 | one-time |


## Frequently asked questions

### Is JM free?

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

### Is GPS Track Log free?

GPS Track Log is free to download, with in-app purchases available.

### Do JM or GPS Track Log have ads?

GPS Track Log shows ads; JM does not.

### Which is updated more often, JM or GPS Track Log?

JM ships an update monthly, and GPS Track Log every 10 days. Most recently, JM was updated on November 13, 2026 and GPS Track Log on November 5, 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.*