# Idle vs CoilCalc

Idle and CoilCalc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Idle | CoilCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 112 MB | 1 MB |
| Requires iOS | **26.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Synthetic Solutions, Inc.](https://appshunter.io/developer/1802253311) | [VortexCom UG (haftungsbeschränkt)](https://appshunter.io/developer/1830473436) |

## What reviewers say

### Idle

[App page](https://appshunter.io/ios/app/idle-chat-and-widgets/id6743326518)

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none


### CoilCalc

[App page](https://appshunter.io/ios/app/coilcalc/id6756119384)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Idle free?

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

### Is CoilCalc free?

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

### Do Idle or CoilCalc have ads?

Neither Idle nor CoilCalc shows ads.

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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.*