# CountPipes vs Sigma Counter

The clearest difference is review sentiment: Sigma Counter at 100% against CountPipes's 0%. Sigma Counter also leads on rating (4.9 vs 1.7) and monetization model (free vs free with in-app purchases). CountPipes's advantage is update cadence (every 2 weeks vs every 52 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sigma Counter holds the better App Store score, 4.9 against 1.7. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 0% of CountPipes's written reviews are positive against 100% of Sigma Counter's.

CountPipes ships an update every 2 weeks, Sigma Counter every 52 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | CountPipes | Sigma Counter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (3 ratings)](https://appshunter.io/ios/app/countpipes/id980209056/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/sigma-counter/id1180349975/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 52 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 32 MB | 11 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dynamic Ventures, Inc.](https://appshunter.io/developer/921987312) | [Karen Grigorian](https://appshunter.io/developer/948320401) |

## What reviewers say

### CountPipes

[App page](https://appshunter.io/ios/app/countpipes/id980209056)

Quickly count stacks of hollow pipes and tubes using your mobile device. The app employs advanced computer vision and machine learning to tag each counted pipe, allowing for easy verification and documentation. Adjust counts as needed for accuracy.

**Highlights:** Automated pipe counting via photos, Computer vision technology, Machine learning for identification, Manual count adjustment, Custom counting template creation, Business plans for higher limits

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

**In-app purchases:** none


### Sigma Counter

[App page](https://appshunter.io/ios/app/sigma-counter/id1180349975)

Easily count objects in your photos by tapping them. Save and share your counted images via email or social networks. Utilize specialized tools for marking sequential or grid-like object arrangements.

**Highlights:** Tap to count objects, Use photos from library or new photos, Save and share counted images, Line tool for sequential objects, Multiplication tool for grid layouts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CountPipes free?

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

### Is Sigma Counter free?

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

### Which has better reviews, CountPipes or Sigma Counter?

Sigma Counter is rated higher. CountPipes averages 1.7 out of 5 from 3 ratings, while Sigma Counter averages 4.9 from 7 ratings.

### Do CountPipes or Sigma Counter have ads?

Neither CountPipes nor Sigma Counter shows ads.

### Which is updated more often, CountPipes or Sigma Counter?

CountPipes ships an update every 2 weeks, and Sigma Counter every 52 months. Most recently, CountPipes was updated on October 24, 2026 and Sigma Counter on October 24, 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.*