# INTVL vs Taper Swim

The clearest difference is ads: Taper Swim at none against INTVL's shown. Taper Swim also leads on update cadence (weekly vs fortnightly). On price, in-app purchases, 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 and Taper Swim sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

INTVL ships an update fortnightly, Taper Swim weekly. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | INTVL | Taper Swim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/taper-swim/id6764488000/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Subscription |
| Size | 87 MB | 37 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Imperial Sales & Marketing GmbH](https://appshunter.io/developer/1818132010) | [Sung Joo Lim](https://appshunter.io/developer/1895803113) |

## What reviewers say

### 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 |


### Taper Swim

[App page](https://appshunter.io/ios/app/taper-swim/id6764488000)

Effortlessly log swim workouts by simply photographing your practice whiteboard. The app automatically extracts sets, distances, and intervals, creating a detailed workout breakdown. Track your progress, add notes, and easily share your performance.

**Highlights:** Instant whiteboard capture, Automatic workout breakdown, Workout journal with notes, Searchable swim history, Shareable workout cards, Supports yards/meters, SCY/SCM

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Taper Pro (Monthly) | $5.99 | per month |
| Taper Pro (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is INTVL free?

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

### Is Taper Swim free?

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

### Do INTVL or Taper Swim have ads?

INTVL shows ads; Taper Swim does not.

### Which is updated more often, INTVL or Taper Swim?

INTVL ships an update fortnightly, and Taper Swim weekly. Most recently, INTVL was updated on September 23, 2026 and Taper Swim on September 18, 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.*