# JumpPower vs Perfect Stopwatch

The clearest difference is review sentiment: Perfect Stopwatch at 86% against JumpPower's 33%. Perfect Stopwatch also leads on price (Free vs $0.99) and rating (4.6 vs 3.7). JumpPower's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

Perfect Stopwatch is free to download; JumpPower costs $0.99 up front. Perfect Stopwatch sells 5 in-app purchases, starting at $19.99 per 3 months. JumpPower asks for nothing beyond the download.

Perfect Stopwatch holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Perfect Stopwatch has 192 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of JumpPower's written reviews are positive against 86% of Perfect Stopwatch's.

JumpPower ships an update every 6 months, Perfect Stopwatch every 2 weeks. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | JumpPower | Perfect Stopwatch |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/jumppower/id986429296/reviews) | **[4.6 (192 ratings)](https://appshunter.io/ios/app/perfect-stopwatch/id1598567322/reviews)** |
| Number of ratings | 3 | **192** |
| Positive reviews | 33.3% of reviews | **86.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 68 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sten Kaiser](https://appshunter.io/developer/309325742) | [Appcano LLC](https://appshunter.io/developer/1626754199) |

## What reviewers say

### JumpPower

[App page](https://appshunter.io/ios/app/jumppower/id986429296)

Effortlessly measure jump height with automatic camera tracking and face detection. This app analyzes acceleration to calculate power output, providing spoken results instantly after each jump. No manual input or setup is needed.

**Highlights:** Automatic jump detection, Face detection tracking, Spoken results, Acceleration analysis, Power output calculation, No setup required

**Features:** Vision Pro support

**In-app purchases:** none


### Perfect Stopwatch

[App page](https://appshunter.io/ios/app/perfect-stopwatch/id1598567322)

Accurately time sprints using video analysis. This app provides precise sprint measurements, eliminating the inaccuracies of manual stopwatches and expensive laser systems. Ideal for athletes and coaches seeking verifiable performance data.

**Highlights:** Laser-like sprint accuracy, Video analysis for timing, Precise start and finish line detection, Record unlimited sprint videos, Tutorial for easy use, Alternative to manual stopwatches

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perfect Stopwatch 3 Months | $19.99 | per 3 months |
| Unlock All Features | $19.99 | per year |
| Perfect Stopwatch Individual | $29.99 | one-time |
| Perfect Stopwatch Group | $129.99 | one-time |
| Perfect Stopwatch Team | $399.99 | one-time |

**What reviewers like**

- 👍 Great for timing sprints
- 👍 Accurate for 40-yard dash
- 👍 Good for self-timing
- 👍 Provides proof of times
- 👍 Affordable compared to others

**What reviewers complain about**

- 🐛 Videos not in frame
- 🐛 Inaccurate times reported
- 🐛 Landscape videos crop to portrait
- 🐛 Over-simplified interface (recent update)
- 🐛 High memory usage

**Reported bugs**

- Videos uploaded not completely in frame
- Landscape videos crop to portrait
- App requires restart while editing
- Limited video uploads for paid users

**Requested features**

- Allow landscape video uploads without cropping
- Revert to older, more comfortable interface
- Clarify data storage handling


## Frequently asked questions

### Is JumpPower free?

JumpPower costs $0.99, with no in-app purchases.

### Is Perfect Stopwatch free?

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

### Which has better reviews, JumpPower or Perfect Stopwatch?

Perfect Stopwatch is rated higher. JumpPower averages 3.7 out of 5 from 3 ratings, while Perfect Stopwatch averages 4.6 from 192 ratings.

### Do JumpPower or Perfect Stopwatch have ads?

Perfect Stopwatch shows ads; JumpPower does not.

### Which is updated more often, JumpPower or Perfect Stopwatch?

JumpPower ships an update every 6 months, and Perfect Stopwatch every 2 weeks. Most recently, JumpPower was updated on October 6, 2026 and Perfect Stopwatch on October 15, 2026.

---

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