# Speed4Lifts vs VoltOnoJump

The clearest difference is in-app purchases: Speed4Lifts at none against VoltOnoJump's 4. Speed4Lifts also leads on iOS requirement (12.3 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. VoltOnoJump sells 4 in-app purchases, starting at $1.49 per month. Speed4Lifts asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Speed4Lifts | VoltOnoJump |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (70 ratings)](https://appshunter.io/ios/app/speed4lifts/id1356222486/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 70.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Ad-supported | — |
| Size | 96 MB | 30 MB |
| Requires iOS | **12.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPEED4LIFTS S.L](https://appshunter.io/developer/1356222485) | [株式会社S-CADE](https://appshunter.io/developer/1621269147) |

## What reviewers say

### Speed4Lifts

[App page](https://appshunter.io/ios/app/speed4lifts/id1356222486)

This app tracks strength training data to enhance progress. It connects with a specific encoder to analyze performance and create personalized training plans based on scientific Velocity-Based Training principles. It helps calculate daily 1RM and adjust fatigue levels.

**Highlights:** Collects strength training data, Connects with Vitruve encoder, Analyzes performance status, Creates personalized training plans, Calculates daily 1RM, Adjusts fatigue levels, Reduces risk of injury

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

**In-app purchases:** none


### VoltOnoJump

[App page](https://appshunter.io/ios/app/voltonojump/id1564584022)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltOnoJumpCloud 1 User+CSV | $1.49 | per month |
| Cloud 50 User + CSV | $4.99 | per month |
| Cloud 100 User + CSV | $8.99 | per month |
| Cloud 1000 User + CSV | $10.99 | per month |


## Frequently asked questions

### Is Speed4Lifts free?

Speed4Lifts is free to download, with no in-app purchases.

### Is VoltOnoJump free?

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

### Do Speed4Lifts or VoltOnoJump have ads?

Neither Speed4Lifts nor VoltOnoJump shows ads.

### Which is updated more often, Speed4Lifts or VoltOnoJump?

Speed4Lifts ships an update monthly, and VoltOnoJump monthly. Most recently, Speed4Lifts was updated on October 21, 2026 and VoltOnoJump on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*