# Interval Run vs Theralinq

The clearest difference is price: Theralinq at Free against Interval Run's $1.99. Theralinq also leads on rating (5.0 vs 3.9) and review sentiment (100% vs 63%). Interval Run's advantage is ratings volume (14 vs 4) and iOS requirement (8.0 vs 16.6.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Theralinq is free to download; Interval Run costs $1.99 up front. Interval Run sells 10 one-off in-app purchases and Theralinq sells 1 in-app purchase, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Theralinq holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews point the same way: 63% of Interval Run's written reviews are positive against 100% of Theralinq's.

Interval Run ships an update every 4 months, Theralinq every 6 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Interval Run | Theralinq |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.9 (14 ratings)](https://appshunter.io/ios/app/interval-run/id297105174/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/theralinq/id6737068260/reviews)** |
| Number of ratings | **14** | 4 |
| Positive reviews | 62.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 53 MB |
| Requires iOS | **8.0** | 16.6.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Delta Vee](https://appshunter.io/developer/290586864) | [Theralinq, LLC](https://appshunter.io/developer/1774554582) |

## What reviewers say

### Interval Run

[App page](https://appshunter.io/ios/app/interval-run/id297105174)

This app provides vocal guidance for interval training, letting you focus on your workout. It includes pre-set programs and customizable intervals, with spoken feedback over your music.

**Highlights:** Vocal feedback for interval changes, Pre-set workout programs, Customizable intervals, Spoken feedback over music, Multiple voice options

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ivy | $0.99 | one-time |
| Heather | $0.99 | one-time |
| Joanna | $0.99 | one-time |
| Geraint | $0.99 | one-time |
| Russell | $0.99 | one-time |
| Brian | $0.99 | one-time |
| Emma | $0.99 | one-time |
| Justin | $0.99 | one-time |
| Raveena | $0.99 | one-time |
| Salli | $0.99 | one-time |


### Theralinq

[App page](https://appshunter.io/ios/app/theralinq/id6737068260)

This app connects therapists with parents, facilitating task assignments and progress communication for children's therapy. It also offers a library of exercises for caregivers to use between sessions.

**Highlights:** Therapist-parent connection, Task assignment and tracking, Caregiver progress communication, Therapy exercise library, Progress reporting

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Feature Access | $14.99 | per month |


## Frequently asked questions

### Is Interval Run free?

Interval Run costs $1.99, and also offers in-app purchases.

### Is Theralinq free?

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

### Which has better reviews, Interval Run or Theralinq?

Theralinq is rated higher. Interval Run averages 3.9 out of 5 from 14 ratings, while Theralinq averages 5.0 from 4 ratings.

### Do Interval Run or Theralinq have ads?

Neither Interval Run nor Theralinq shows ads.

### Which is updated more often, Interval Run or Theralinq?

Interval Run ships an update every 4 months, and Theralinq every 6 weeks. Most recently, Interval Run was updated on October 17, 2026 and Theralinq on October 1, 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.*