# EVOLVEO Sonix vs Intervals

The clearest difference is update cadence: Intervals at every 2 weeks against EVOLVEO Sonix's every 4 months. EVOLVEO Sonix's advantage is iOS requirement (9.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EVOLVEO Sonix ships an update every 4 months, Intervals every 2 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | EVOLVEO Sonix | Intervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/intervals-pro-timer/id6504121358/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **9.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abacus Electric, s.r.o.](https://appshunter.io/developer/1456109573) | [Aydin Metel](https://appshunter.io/developer/1750982740) |

## What reviewers say

### EVOLVEO Sonix

[App page](https://appshunter.io/ios/app/evolveo-sonix/id509909805)

**Features:** macOS Compatibility

**In-app purchases:** none


### Intervals

[App page](https://appshunter.io/ios/app/intervals-pro-timer/id6504121358)

This app helps you manage work and rest periods with customizable timers. It features a visual countdown, interval tracking, and audible alerts to keep you focused and balanced during workouts, study sessions, or tasks.

**Highlights:** Customizable work and rest intervals, Round and total time calculation, Visual circular timer, Pause, resume, and navigate controls, Audible chime alerts, Progress indicators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EVOLVEO Sonix free?

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

### Is Intervals free?

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

### Do EVOLVEO Sonix or Intervals have ads?

Neither EVOLVEO Sonix nor Intervals shows ads.

### Which is updated more often, EVOLVEO Sonix or Intervals?

EVOLVEO Sonix ships an update every 4 months, and Intervals every 2 weeks. Most recently, EVOLVEO Sonix was updated on October 7, 2026 and Intervals on October 6, 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.*