# Surge vs Surge HIIT

The clearest difference is price: Surge HIIT at Free against Surge's $2.00. Surge HIIT also leads on update cadence (every 5 days vs fortnightly). Surge's advantage is chart position (#194 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Surge HIIT is free to download; Surge costs $2.00 up front. Surge sells 1 one-off in-app purchase and Surge HIIT sells 3 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Surge ships an update fortnightly, Surge HIIT every 5 days. The most recent releases landed on October 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Surge | Surge HIIT |
| --- | --- | --- |
| Price | $2.00 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surge-interval-timer-and-hiit/id6762224044/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Paid | — |
| Best chart rank | **#194** | — |
| Size | 1 MB | 7 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Avery](https://appshunter.io/developer/1893424317) | [Ralf Koch](https://appshunter.io/developer/596125475) |

## What reviewers say

### Surge

[App page](https://appshunter.io/ios/app/surge-interval-timer-and-hiit/id6762224044)

**Currently charting:** #194 Top Paid · Health & Fitness (US App Store)

This interval timer app supports various workout styles like HIIT, Tabata, and boxing rounds. It offers customizable work/rest periods, round counts, and presets, with clear audio and haptic cues to guide your training without needing to watch the clock.

**Highlights:** Customizable work and rest periods, Adjustable round counts, Pre-set workout modes (HIIT, Tabata, Boxing), Audio and haptic cues, Save custom workout presets, Glanceable countdown timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surge Pro | $0.99 | one-time |


### Surge HIIT

[App page](https://appshunter.io/ios/app/surge-hiit-interval-timer/id6771864961)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surge Hiit Premium - Yearly | $29.99 | per year |
| Surge Hiit Premium - 14-day Trial | Free | one-time |
| Surge Hiit Premium - Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Surge free?

Surge costs $2.00, and also offers in-app purchases.

### Is Surge HIIT free?

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

### Do Surge or Surge HIIT have ads?

Neither Surge nor Surge HIIT shows ads.

### Which is updated more often, Surge or Surge HIIT?

Surge ships an update fortnightly, and Surge HIIT every 5 days. Most recently, Surge was updated on October 28, 2026 and Surge HIIT on October 12, 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.*