# RunGap vs Surge HIIT

The clearest difference is update cadence: Surge HIIT at every 5 days against RunGap's every 2 weeks. RunGap's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RunGap sells 4 in-app purchases, starting at $4.99 per 3 months 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.

RunGap ships an update every 2 weeks, Surge HIIT every 5 days. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RunGap | Surge HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.9K ratings)](https://appshunter.io/ios/app/rungap-workout-data-manager/id534460198/reviews)** | — |
| Number of ratings | **5.9K** | — |
| Positive reviews | 77.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 7 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [CTRL-N](https://appshunter.io/developer/534460201) | [Ralf Koch](https://appshunter.io/developer/596125475) |

## What reviewers say

### RunGap

[App page](https://appshunter.io/ios/app/rungap-workout-data-manager/id534460198)

Consolidate your fitness data from over 40 popular services into one app. Access your complete training history, view detailed statistics, and manage your gear usage. Easily share, backup, and export your workouts for comprehensive control over your fitness journey.

**Highlights:** Connects 40+ fitness services, Consolidates training history, View statistics and charts, Track gear usage, Share, backup, and export workouts, Geotag photos and videos

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Swag Bag | $4.99 | per 3 months |
| Annual Swag Bag | $14.99 | per year |
| Swag Bag (3 months) | $4.99 | one-time |
| Swag Bag (one year) | $14.99 | one-time |

**What reviewers like**

- 🚀 Syncs data seamlessly
- 👍 Comprehensive data management
- 💡 Consolidates data from multiple sources
- 🚀 Efficient data transfer
- 👍 Great customer support

**What reviewers complain about**

- 🔒 Security concerns with login credentials
- 💰 Subscription required for full functionality
- 🐛 Inconsistent syncing and data transfer
- 🔒 Privacy concerns with data storage

**Reported bugs**

- App crashes or freezes
- Syncing issues with certain platforms
- Incorrect data transfer or formatting

**Requested features**

- Improved user interface and navigation
- Automatic background syncing
- Integration with more fitness platforms
- Offline data access and editing


### 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 RunGap free?

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

### Is Surge HIIT free?

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

### Do RunGap or Surge HIIT have ads?

Neither RunGap nor Surge HIIT shows ads.

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

RunGap ships an update every 2 weeks, and Surge HIIT every 5 days. Most recently, RunGap was updated on October 20, 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.*