# SG GPS vs HM Charging

The clearest difference is update cadence: HM Charging at fortnightly against SG GPS's every 7 months. SG GPS's advantage is iOS requirement (10.3 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

SG GPS ships an update every 7 months, HM Charging fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SG GPS | HM Charging |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 40 MB | 81 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TTAS COMPANY LIMITED](https://appshunter.io/developer/1476783393) | [EV HUB JOINT STOCK COMPANY](https://appshunter.io/developer/6777160325) |

## What reviewers say

### SG GPS

[App page](https://appshunter.io/ios/app/sg-gps/id1480568662)

**Features:** macOS Compatibility

**In-app purchases:** none


### HM Charging

[App page](https://appshunter.io/ios/app/hm-charging/id6785895613)

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

**In-app purchases:** none


## Frequently asked questions

### Is SG GPS free?

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

### Is HM Charging free?

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

### Do SG GPS or HM Charging have ads?

Neither SG GPS nor HM Charging shows ads.

### Which is updated more often, SG GPS or HM Charging?

SG GPS ships an update every 7 months, and HM Charging fortnightly. Most recently, SG GPS was updated on October 29, 2026 and HM Charging on October 28, 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.*