# Interval vs SemChip

The clearest difference is in-app purchases: SemChip at none against Interval's 1. SemChip also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Interval sells 1 one-off in-app purchase. SemChip asks for nothing beyond the download.

Interval ships an update every 10 days, SemChip every 3 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interval | SemChip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 38 MB | 42 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OLEG KLIMAKOV](https://appshunter.io/developer/1702248098) | [Julio Cesar Lima de Jesus Lemos](https://appshunter.io/developer/1632737264) |

## What reviewers say

### Interval

[App page](https://appshunter.io/ios/app/interval-hiit-and-tabata-timer/id6780563425)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Pro | $6.99 | one-time |


### SemChip

[App page](https://appshunter.io/ios/app/semchip-corrida-virtual/id6804914192)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval free?

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

### Is SemChip free?

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

### Do Interval or SemChip have ads?

Neither Interval nor SemChip shows ads.

### Which is updated more often, Interval or SemChip?

Interval ships an update every 10 days, and SemChip every 3 days. Most recently, Interval was updated on October 16, 2026 and SemChip 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.*