# Circuit Pro vs KettleLedger Pro

The clearest difference is update cadence: KettleLedger Pro at every 9 days against Circuit Pro's every 4 weeks. KettleLedger Pro also leads on iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Circuit Pro sells 3 in-app purchases, starting at $0.99 per 7 days and KettleLedger Pro sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Circuit Pro ships an update every 4 weeks, KettleLedger Pro every 9 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Circuit Pro | KettleLedger Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 14 MB | 40 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ridwan Al-Mansur](https://appshunter.io/developer/1268358282) | [Oliver Bross](https://appshunter.io/developer/1859081127) |

## What reviewers say

### Circuit Pro

[App page](https://appshunter.io/ios/app/circuit-pro-hiit-timer/id6755912268)

This app provides a customizable interval timer for various training styles like HIIT and circuit workouts. It features motivating voice cues, custom circuit building, and HealthKit integration for tracking progress. Focus on your training with a clean interface and no ads.

**Highlights:** Customizable workout circuits, Motivating coach voice cues, HealthKit integration, iCloud preset sync, Clean, focused interface, Works with screen locked

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $39.99 | per year |


### KettleLedger Pro

[App page](https://appshunter.io/ios/app/kettleledger-pro/id6779903974)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KettleLedger Pro Monthly | $3.99 | per month |
| KettleLedger Pro Yearly | $34.99 | per year |
| KettleLedger Pro Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Circuit Pro free?

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

### Is KettleLedger Pro free?

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

### Do Circuit Pro or KettleLedger Pro have ads?

Neither Circuit Pro nor KettleLedger Pro shows ads.

### Which is updated more often, Circuit Pro or KettleLedger Pro?

Circuit Pro ships an update every 4 weeks, and KettleLedger Pro every 9 days. Most recently, Circuit Pro was updated on October 1, 2026 and KettleLedger Pro on October 7, 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.*