# CIRCUIT.INSIDER vs Formula Widgets

The clearest difference is in-app purchases: CIRCUIT.INSIDER at none against Formula Widgets's 2. CIRCUIT.INSIDER also leads on iOS requirement (15.1 vs 18.0). Formula Widgets's advantage is update cadence (every 10 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Formula Widgets sells 2 in-app purchases, starting at $7.99 per 7 days. CIRCUIT.INSIDER asks for nothing beyond the download.

CIRCUIT.INSIDER ships an update every 4 months, Formula Widgets every 10 days. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | CIRCUIT.INSIDER | Formula Widgets |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 34 MB | 105 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Makarenko](https://appshunter.io/developer/1895829431) | [Nadiia Martyniuk](https://appshunter.io/developer/1757187452) |

## What reviewers say

### CIRCUIT.INSIDER

[App page](https://appshunter.io/ios/app/circuitinsider/id6764550552)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Formula Widgets

[App page](https://appshunter.io/ios/app/formula-widgets-raceday/id6785520323)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $7.99 | per 7 days |
| Yearly Plan | $24.99 | per year |


## Frequently asked questions

### Is CIRCUIT.INSIDER free?

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

### Is Formula Widgets free?

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

### Do CIRCUIT.INSIDER or Formula Widgets have ads?

Neither CIRCUIT.INSIDER nor Formula Widgets shows ads.

### Which is updated more often, CIRCUIT.INSIDER or Formula Widgets?

CIRCUIT.INSIDER ships an update every 4 months, and Formula Widgets every 10 days. Most recently, CIRCUIT.INSIDER was updated on October 7, 2026 and Formula Widgets on October 17, 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.*