# Circuit Works vs Lifting Hacks

The clearest difference is ads: Lifting Hacks at none against Circuit Works's shown. Lifting Hacks also leads on update cadence (every 2 weeks vs every 3 months). Circuit Works's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Circuit Works ships an update every 3 months, Lifting Hacks every 2 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Circuit Works | Lifting Hacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/circuit-works/id496932707/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 126 MB | 5 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Circuit Works Inc Santa Monica](https://appshunter.io/developer/1476565291) | [Stewart Tong](https://appshunter.io/developer/1879094027) |

## What reviewers say

### Circuit Works

[App page](https://appshunter.io/ios/app/circuit-works/id496932707)

Plan your fitness sessions with this app. View class schedules, sign up for sessions, and check for ongoing promotions. Optimize your time and convenience by managing your fitness activities directly from your mobile device.

**Highlights:** View class schedule, Sign up for classes, View studio promotions, Access contact information, Mobile class management

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Lifting Hacks

[App page](https://appshunter.io/ios/app/lifting-hacks/id6769975112)

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

**In-app purchases:** none


## Frequently asked questions

### Is Circuit Works free?

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

### Is Lifting Hacks free?

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

### Do Circuit Works or Lifting Hacks have ads?

Circuit Works shows ads; Lifting Hacks does not.

### Which is updated more often, Circuit Works or Lifting Hacks?

Circuit Works ships an update every 3 months, and Lifting Hacks every 2 weeks. Most recently, Circuit Works was updated on October 1, 2026 and Lifting Hacks on October 5, 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.*