# Interval / 空白 vs Cycle Speed

The clearest difference is ads: Interval / 空白 at none against Cycle Speed's shown. Cycle Speed's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence, 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.

Interval / 空白 ships an update weekly, Cycle Speed every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval / 空白 | Cycle Speed |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 6 MB | 26 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumi Sakurai](https://appshunter.io/developer/1876264011) | [SATO TOMOMITUS](https://appshunter.io/developer/1615336235) |

## What reviewers say

### Interval / 空白

[App page](https://appshunter.io/ios/app/interval/id6759001207)

**In-app purchases:** none


### Cycle Speed

[App page](https://appshunter.io/ios/app/cycle-speed-bike-speedometer/id6790221732)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval / 空白 free?

Interval / 空白 is free to download, with no in-app purchases.

### Is Cycle Speed free?

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

### Do Interval / 空白 or Cycle Speed have ads?

Cycle Speed shows ads; Interval / 空白 does not.

### Which is updated more often, Interval / 空白 or Cycle Speed?

Interval / 空白 ships an update weekly, and Cycle Speed every 4 days. Most recently, Interval / 空白 was updated on November 5, 2026 and Cycle Speed on October 31, 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.*