# Intervals by Staventabs vs SightRead

The clearest difference is in-app purchases: SightRead at none against Intervals by Staventabs's 1. SightRead also leads on update cadence (daily vs every 4 months). Intervals by Staventabs's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Intervals by Staventabs sells 1 one-off in-app purchase. SightRead asks for nothing beyond the download.

Intervals by Staventabs ships an update every 4 months, SightRead daily. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Intervals by Staventabs | SightRead |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Size | 14 MB | 13 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Korovin](https://appshunter.io/developer/937929054) | [Ruben Reut](https://appshunter.io/developer/1824215746) |

## What reviewers say

### Intervals by Staventabs

[App page](https://appshunter.io/ios/app/intervals-by-staventabs/id6754854239)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals Premium | $4.99 | one-time |


### SightRead

[App page](https://appshunter.io/ios/app/sightread-rhythm-and-notes/id6761484994)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intervals by Staventabs free?

Intervals by Staventabs is free to download, with in-app purchases available.

### Is SightRead free?

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

### Do Intervals by Staventabs or SightRead have ads?

Neither Intervals by Staventabs nor SightRead shows ads.

### Which is updated more often, Intervals by Staventabs or SightRead?

Intervals by Staventabs ships an update every 4 months, and SightRead daily. Most recently, Intervals by Staventabs was updated on October 13, 2026 and SightRead 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.*