# HIITLY vs GrappleAI

The clearest difference is in-app purchases: HIITLY at none against GrappleAI's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GrappleAI sells 5 in-app purchases, starting at $8.99 per month. HIITLY asks for nothing beyond the download.

HIITLY ships an update every 6 days, GrappleAI weekly. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HIITLY | GrappleAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hiitly-smart-workout-timer/id6743633814/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free | — |
| Size | 27 MB | 46 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Matys Bouziane](https://appshunter.io/developer/1785637310) | [pablo keirse](https://appshunter.io/developer/6798351318) |

## What reviewers say

### HIITLY

[App page](https://appshunter.io/ios/app/hiitly-smart-workout-timer/id6743633814)

This interval timer app allows for quick setup of custom workouts with adjustable intervals, rest periods, and rounds. It offers voice cues or beeps, background functionality, and detailed workout history to track progress. Ideal for HIIT, Tabata, and circuit training.

**Highlights:** Customizable intervals, rest, and rounds, Voice cues or beeps, Background functionality, Detailed workout history and stats, Repeat past workouts, Unlimited custom timer creation

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

**In-app purchases:** none


### GrappleAI

[App page](https://appshunter.io/ios/app/grappleai/id6798351316)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrappleAI Pro Plan | $8.99 | per month |
| GrappleAI Elite | $17.99 | per month |
| GrappleAI Pro Plan Yearly | $89.99 | per year |
| GrappleAI Elite (Yearly) | $179.99 | per year |
| 1 Video Analysis Credit | $2.99 | one-time |


## Frequently asked questions

### Is HIITLY free?

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

### Is GrappleAI free?

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

### Do HIITLY or GrappleAI have ads?

Neither HIITLY nor GrappleAI shows ads.

### Which is updated more often, HIITLY or GrappleAI?

HIITLY ships an update every 6 days, and GrappleAI weekly. Most recently, HIITLY was updated on September 24, 2026 and GrappleAI on October 7, 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.*