# Haptic Calm vs BlinkLab Dx1

The clearest difference is in-app purchases: BlinkLab Dx1 at none against Haptic Calm's 1. BlinkLab Dx1 also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Haptic Calm sells 1 one-off in-app purchase. BlinkLab Dx1 asks for nothing beyond the download.

Haptic Calm ships an update every 2 months, BlinkLab Dx1 fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Haptic Calm | BlinkLab Dx1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 6 MB | 310 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [胜荇 杨](https://appshunter.io/developer/1868445802) | [BLINKLAB LIMITED](https://appshunter.io/developer/1606924222) |

## What reviewers say

### Haptic Calm

[App page](https://appshunter.io/ios/app/haptic-calm/id6758531681)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Débloquer Pro | $3.99 | one-time |


### BlinkLab Dx1

[App page](https://appshunter.io/ios/app/blinklab-dx1/id6760354651)

**In-app purchases:** none


## Frequently asked questions

### Is Haptic Calm free?

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

### Is BlinkLab Dx1 free?

BlinkLab Dx1 is free to download, with no in-app purchases.

### Do Haptic Calm or BlinkLab Dx1 have ads?

Neither Haptic Calm nor BlinkLab Dx1 shows ads.

### Which is updated more often, Haptic Calm or BlinkLab Dx1?

Haptic Calm ships an update every 2 months, and BlinkLab Dx1 fortnightly. Most recently, Haptic Calm was updated on October 26, 2026 and BlinkLab Dx1 on October 24, 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.*