# BatteryNest vs ambient

The clearest difference is update cadence: BatteryNest at every 4 days against ambient's fortnightly. ambient's advantage is device support (6 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. BatteryNest sells 5 in-app purchases, starting at $1.99 per month and ambient sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

BatteryNest ships an update every 4 days, ambient fortnightly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BatteryNest | ambient |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 60 MB | 14 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [shunta nakamura](https://appshunter.io/developer/1876115931) | [zoome LLC](https://appshunter.io/developer/1541241247) |

## What reviewers say

### BatteryNest

[App page](https://appshunter.io/ios/app/batterynest/id6767813207)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BatteryNest Pro (Monthly) | $1.99 | per month |
| BatteryNest Pro (Annual) | $11.99 | per year |
| Ticket ×1 | $0.49 | one-time |
| Ticket ×5 | $1.99 | one-time |
| Ticket ×12 | $4.99 | one-time |


### ambient

[App page](https://appshunter.io/ios/app/ambient-evolving-soundscapes/id6801584193)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ambient Premium Monthly | $0.49 | per month |
| ambient Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is BatteryNest free?

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

### Is ambient free?

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

### Do BatteryNest or ambient have ads?

Neither BatteryNest nor ambient shows ads.

### Which is updated more often, BatteryNest or ambient?

BatteryNest ships an update every 4 days, and ambient fortnightly. Most recently, BatteryNest was updated on October 24, 2026 and ambient on October 11, 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.*