# TopoXY vs CHCNAV PointX

The clearest difference is in-app purchases: CHCNAV PointX at none against TopoXY's 5. CHCNAV PointX also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. TopoXY sells 5 in-app purchases, starting at $2.99 per 7 days. CHCNAV PointX asks for nothing beyond the download.

TopoXY ships an update every 2 weeks, CHCNAV PointX every 3 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TopoXY | CHCNAV PointX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 47 MB | 37 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Darius Cirjan](https://appshunter.io/developer/1827010077) | [华测导航](https://appshunter.io/developer/945259710) |

## What reviewers say

### TopoXY

[App page](https://appshunter.io/ios/app/topoxy-coordinate-converter/id6758582908)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TopoXY Pro Weekly: GIS Tools | $2.99 | per 7 days |
| TopoXY Pro Monthly: GIS Tools | $6.99 | per month |
| TopoXY Pro Yearly: GIS Tools | $19.99 | per year |
| Stereo 70 Lifetime Offer | $27.99 | one-time |
| TopoXY Pro Lifetime: GIS | $39.99 | one-time |


### CHCNAV PointX

[App page](https://appshunter.io/ios/app/chcnav-pointx/id6795414161)

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

**In-app purchases:** none


## Frequently asked questions

### Is TopoXY free?

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

### Is CHCNAV PointX free?

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

### Do TopoXY or CHCNAV PointX have ads?

TopoXY shows ads; CHCNAV PointX does not.

### Which is updated more often, TopoXY or CHCNAV PointX?

TopoXY ships an update every 2 weeks, and CHCNAV PointX every 3 days. Most recently, TopoXY was updated on October 25, 2026 and CHCNAV PointX on October 16, 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.*