# Tenpin Toolkit vs Eclipse O

The clearest difference is in-app purchases: Eclipse O at none against Tenpin Toolkit's 2. Tenpin Toolkit's advantage is update cadence (every 3 weeks vs every 6 months) and ratings volume (811 vs 11). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Tenpin Toolkit sells 2 in-app purchases, starting at $9.99 per year. Eclipse O asks for nothing beyond the download.

Tenpin Toolkit holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Tenpin Toolkit has 811 ratings behind it against 11, so its average is the more settled of the two. Written reviews split almost evenly too, at 83% and 83% positive.

Tenpin Toolkit ships an update every 3 weeks, Eclipse O every 6 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tenpin Toolkit | Eclipse O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (811 ratings)](https://appshunter.io/ios/app/tenpin-toolkit-bowling-tools/id1390556454/reviews)** | [4.7 (11 ratings)](https://appshunter.io/ios/app/eclipse-o-ring-finder/id1491496693/reviews) |
| Number of ratings | **811** | 11 |
| Positive reviews | 83.1% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 60 MB | 308 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tenpin Toolkit](https://appshunter.io/developer/1390556453) | [Planet Eclipse Ltd](https://appshunter.io/developer/1491488435) |

## What reviewers say

### Tenpin Toolkit

[App page](https://appshunter.io/ios/app/tenpin-toolkit-bowling-tools/id1390556454)

This app provides essential tools for ten-pin bowlers and coaches to improve their game. Features include shot planning, ball speed and rotation analysis, pattern visualization, and a comprehensive ball library. It also offers a score calculator and observation trainer to enhance accuracy and consistency.

**Highlights:** Angles & Targeting visualization, Axis Tilt & Rotation analysis, Bowling Ball Speed & RPM calculation, Observation Trainer, Pattern Library, Bowling Ball Arsenal management, Score Calculator

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $9.99 | per year |
| Lifetime Premium | $39.99 | one-time |

**What reviewers like**

- 👍 Comprehensive bowling toolkit with multiple useful features
- 📊 Excellent for tracking and comparing bowling ball arsenals
- 🎯 Accurate targeting and aiming modules
- 📚 Extensive oil pattern library with detailed lane information
- 💰 Great value for the subscription price ($10/year)

**What reviewers complain about**

- 🐛 App stability issues with constant screen reloading
- 🔋 Significant battery drain on mobile devices
- 💳 Limited functionality without premium subscription
- 🔄 Requires paying twice to transfer data between platforms
- 📏 PAP measurement limitations (increments of 1 inch, no downward measurements)

**Reported bugs**

- Constant screen reloading causing app instability
- Battery drain significantly higher than other apps
- Glitches when looking up patterns in certain locations
- PAP measurement system doesn't support fractional increments
- Oil pattern database contains some inaccurate data

**Requested features**

- Score tracking and database with averages and spare percentages
- Cloud storage for multi-device access
- Ball comparison tool (side-by-side specs comparison)
- Custom multi-pin spare setups in Angles & Target tool
- Integration of ball specs into Angles and Targeting calculations


### Eclipse O

[App page](https://appshunter.io/ios/app/eclipse-o-ring-finder/id1491496693)

Easily identify the correct o-rings for your Eclipse paintball markers. This application provides a quick reference to ensure you have the right parts for maintenance and repairs.

**Highlights:** O-ring identification for Eclipse markers, Quick reference tool, Maintenance and repair assistance, Specific to Eclipse paintball products

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tenpin Toolkit free?

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

### Is Eclipse O free?

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

### Which has better reviews, Tenpin Toolkit or Eclipse O?

Tenpin Toolkit is rated higher. Tenpin Toolkit averages 4.9 out of 5 from 811 ratings, while Eclipse O averages 4.7 from 11 ratings.

### Do Tenpin Toolkit or Eclipse O have ads?

Neither Tenpin Toolkit nor Eclipse O shows ads.

### Which is updated more often, Tenpin Toolkit or Eclipse O?

Tenpin Toolkit ships an update every 3 weeks, and Eclipse O every 6 months. Most recently, Tenpin Toolkit was updated on October 20, 2026 and Eclipse O on October 9, 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.*