# RaceSync vs HDZap

The clearest difference is in-app purchases: RaceSync at none against HDZap's 2. RaceSync also leads on iOS requirement (14.0 vs 18.0). HDZap's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. HDZap sells 2 in-app purchases, starting at $4.99 per month. RaceSync asks for nothing beyond the download.

RaceSync ships an update every 3 months, HDZap weekly. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | RaceSync | HDZap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (53 ratings)](https://appshunter.io/ios/app/racesync/id1491110680/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 23 MB | 2 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MultiGP Inc.](https://appshunter.io/developer/1491110679) | [Saqoosha](https://appshunter.io/developer/297160384) |

## What reviewers say

### RaceSync

[App page](https://appshunter.io/ios/app/racesync/id1491110680)

Discover and join FPV drone races globally with this app. Find local and international events, view detailed race information, and manage your participation. Organizers can also create and manage races.

**Highlights:** Find and join drone races worldwide, Customizable race feed filters, Detailed race information and standings, In-app race fee payments, Push notifications for race updates, Manage and create races (organizers)

**In-app purchases:** none


### HDZap

[App page](https://appshunter.io/ios/app/hdzap/id6766197336)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HDZap Premium Monthly | $4.99 | per month |
| HDZap Premium Yearly | $44.49 | per year |


## Frequently asked questions

### Is RaceSync free?

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

### Is HDZap free?

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

### Do RaceSync or HDZap have ads?

Neither RaceSync nor HDZap shows ads.

### Which is updated more often, RaceSync or HDZap?

RaceSync ships an update every 3 months, and HDZap weekly. Most recently, RaceSync was updated on September 30, 2026 and HDZap on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*