# GrappleDex vs Boxing Chrono

The clearest difference is update cadence: GrappleDex at monthly against Boxing Chrono's every 4 months. GrappleDex also leads on iOS requirement (15.1 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GrappleDex sells 1 in-app purchase, starting at $2.99 per month and Boxing Chrono sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GrappleDex ships an update monthly, Boxing Chrono every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GrappleDex | Boxing Chrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grappledex-your-bjj-tracker/id6753132558/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Freemium | — |
| Size | 69 MB | 15 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aoshen Zhou](https://appshunter.io/developer/1814075873) | [Ioannis Kyritsis](https://appshunter.io/developer/1854004015) |

## What reviewers say

### GrappleDex

[App page](https://appshunter.io/ios/app/grappledex-your-bjj-tracker/id6753132558)

Log your Brazilian Jiu-Jitsu training sessions to track progress and understand your game. Set training focuses, review past sessions, and identify patterns in your techniques and positions. Stay consistent with reminders and weekly summaries.

**Highlights:** Log BJJ sessions with positions, techniques, and notes, Tag sessions as Gi or No-Gi, Search training history instantly, Set session focus and track accountability, Visualize progress with heatmaps and graphs, Compare related sessions for pattern identification, Weekly summaries and logging reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrappleDex Pro | $2.99 | per month |


### Boxing Chrono

[App page](https://appshunter.io/ios/app/boxing-chrono/id6758235341)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Boxing Chrono | $0.99 | one-time |


## Frequently asked questions

### Is GrappleDex free?

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

### Is Boxing Chrono free?

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

### Do GrappleDex or Boxing Chrono have ads?

Neither GrappleDex nor Boxing Chrono shows ads.

### Which is updated more often, GrappleDex or Boxing Chrono?

GrappleDex ships an update monthly, and Boxing Chrono every 4 months. Most recently, GrappleDex was updated on October 24, 2026 and Boxing Chrono on October 25, 2026.

---

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