# Gainiac vs INTVL

The clearest difference is in-app purchases: Gainiac at none against INTVL's 1. Gainiac also leads on ads (none vs shown) and update cadence (weekly vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. INTVL sells 1 in-app purchase, starting at $39.99 per year. Gainiac asks for nothing beyond the download.

Gainiac ships an update weekly, INTVL fortnightly. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gainiac | INTVL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Size | 2 MB | 87 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tycho Jessurun](https://appshunter.io/developer/1827978847) | [Imperial Sales & Marketing GmbH](https://appshunter.io/developer/1818132010) |

## What reviewers say

### Gainiac

[App page](https://appshunter.io/ios/app/gainiac-workout-tracker/id6748919237)

**In-app purchases:** none


### INTVL

[App page](https://appshunter.io/ios/app/intvl-interval-timer/id6759198513)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| INTVL Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Gainiac free?

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

### Is INTVL free?

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

### Do Gainiac or INTVL have ads?

INTVL shows ads; Gainiac does not.

### Which is updated more often, Gainiac or INTVL?

Gainiac ships an update weekly, and INTVL fortnightly. Most recently, Gainiac was updated on September 27, 2026 and INTVL on October 10, 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.*