# PWR vs SigmaLifting

The clearest difference is in-app purchases: SigmaLifting at none against PWR's 3. SigmaLifting also leads on iOS requirement (15.1 vs 17.6). PWR's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PWR sells 3 in-app purchases, starting at $3.99 per month. SigmaLifting asks for nothing beyond the download.

PWR ships an update every 4 days, SigmaLifting every 2 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PWR | SigmaLifting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sigmalifting/id6755652647/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | — | Free |
| Size | 10 MB | 36 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Codeloop](https://appshunter.io/developer/1799900268) | [Sigmalifting LLC](https://appshunter.io/developer/1855286236) |

## What reviewers say

### PWR

[App page](https://appshunter.io/ios/app/pwr-powerlifting-tracker/id6744345876)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Annual Subscription | $29.99 | per year |
| Lifetime Pro Access | $9.99 | one-time |


### SigmaLifting

[App page](https://appshunter.io/ios/app/sigmalifting/id6755652647)

This app streamlines powerlifting program design by eliminating spreadsheet reliance. It allows for quick setup of percentage-based prescriptions, RPE targets, and deloads, with features for reusable templates and instant updates. Train offline with all data stored locally.

**Highlights:** Percentage-based weight programming, RPE target tracking, Automatic deload calculations, Reusable training templates, Offline functionality, Export to spreadsheet/JSON, Variable logging options

**In-app purchases:** none


## Frequently asked questions

### Is PWR free?

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

### Is SigmaLifting free?

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

### Do PWR or SigmaLifting have ads?

Neither PWR nor SigmaLifting shows ads.

### Which is updated more often, PWR or SigmaLifting?

PWR ships an update every 4 days, and SigmaLifting every 2 months. Most recently, PWR was updated on October 8, 2026 and SigmaLifting 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.*