# Operation NightLight vs Chime Machine

The clearest difference is iOS requirement: Operation NightLight at 15.0 against Chime Machine's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Operation NightLight sells 2 in-app purchases, starting at $14.99 per month and Chime Machine sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Operation NightLight ships an update fortnightly, Chime Machine every 10 days. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Operation NightLight | Chime Machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 13 MB | 91 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [operation:nightlight llc](https://appshunter.io/developer/1696144187) | [moonxseed](https://appshunter.io/developer/310554167) |

## What reviewers say

### Operation NightLight

[App page](https://appshunter.io/ios/app/operation-nightlight/id6451000972)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock unlimited contacts | $14.99 | per month |
| Unlock unlimited contacts | $119.99 | per year |


### Chime Machine

[App page](https://appshunter.io/ios/app/chime-machine/id6748895957)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro subscription | $2.99 | per month |
| Yearly Pro subscription | $29.99 | per year |


## Frequently asked questions

### Is Operation NightLight free?

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

### Is Chime Machine free?

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

### Do Operation NightLight or Chime Machine have ads?

Neither Operation NightLight nor Chime Machine shows ads.

### Which is updated more often, Operation NightLight or Chime Machine?

Operation NightLight ships an update fortnightly, and Chime Machine every 10 days. Most recently, Operation NightLight was updated on September 15, 2026 and Chime Machine on September 22, 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.*