# SigmaLifting vs Sprint U

The clearest difference is in-app purchases: SigmaLifting at none against Sprint U's 9. SigmaLifting also leads on iOS requirement (15.1 vs 26.0). Sprint U's advantage is update cadence (every 3 days vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Sprint U sells 9 in-app purchases, starting at $7.99 per 7 days. SigmaLifting asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SigmaLifting against 5.0 for Sprint U. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SigmaLifting ships an update every 2 months, Sprint U every 3 days. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SigmaLifting | Sprint U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sigmalifting/id6755652647/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/sprint-u-speed-mastery/id6773935990/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Subscription |
| Size | 36 MB | 37 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sigmalifting LLC](https://appshunter.io/developer/1855286236) | [1515 Labs Inc.](https://appshunter.io/developer/1778882057) |

## What reviewers say

### 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


### Sprint U

[App page](https://appshunter.io/ios/app/sprint-u-speed-mastery/id6773935990)

This AI coach provides personalized gym workouts and recovery insights for athletes. It adapts training plans based on your readiness, soreness, and performance data, helping you train with purpose.

**Highlights:** Personalized adaptive workout plans, Readiness insights and CNS tap test, Soreness and recovery tracking, AI coaching and guidance, Integration with Apple Health, Training for speed, power, and explosiveness

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Monthly Subscription | $8.99 | per month |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $59.99 | per year |
| Yearly Subscription | $59.99 | per year |
| Monthly Subscription | $97.00 | per month |
| Yearly Subscription | $99.99 | per year |
| Yearly Subscription | $99.99 | per year |
| Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is SigmaLifting free?

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

### Is Sprint U free?

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

### Which has better reviews, SigmaLifting or Sprint U?

SigmaLifting and Sprint U are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do SigmaLifting or Sprint U have ads?

Neither SigmaLifting nor Sprint U shows ads.

### Which is updated more often, SigmaLifting or Sprint U?

SigmaLifting ships an update every 2 months, and Sprint U every 3 days. Most recently, SigmaLifting was updated on October 17, 2026 and Sprint U on October 28, 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.*