# Bubblo Bubblo vs HarmonyMix

Bubblo Bubblo and HarmonyMix are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Bubblo Bubblo sells 1 one-off in-app purchase and HarmonyMix sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Bubblo Bubblo ships an update every 2 months, HarmonyMix every 3 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | Bubblo Bubblo | HarmonyMix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 151 MB | 83 MB |
| Requires iOS | 18.0 | **17.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XIAOYING DING](https://appshunter.io/developer/1811309193) | [ALI HAN](https://appshunter.io/developer/1830869365) |

## What reviewers say

### Bubblo Bubblo

[App page](https://appshunter.io/ios/app/bubblo-bubblo/id6745211507)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


### HarmonyMix

[App page](https://appshunter.io/ios/app/harmonymix-sleep-sounds-mixer/id6749514392)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Bubblo Bubblo free?

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

### Is HarmonyMix free?

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

### Do Bubblo Bubblo or HarmonyMix have ads?

Neither Bubblo Bubblo nor HarmonyMix shows ads.

### Which is updated more often, Bubblo Bubblo or HarmonyMix?

Bubblo Bubblo ships an update every 2 months, and HarmonyMix every 3 months. Most recently, Bubblo Bubblo was updated on October 28, 2026 and HarmonyMix on October 28, 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.*