# CountRods vs Sigma Counter

The clearest difference is rating: Sigma Counter at 4.8 against CountRods's 1.0. Sigma Counter also leads on ratings volume (6 vs 1). CountRods's advantage is update cadence (every 2 weeks vs every 52 months). On price, ads, in-app purchases and monetization model 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, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Sigma Counter has 6 ratings behind it against 1, so its average is the more settled of the two.

CountRods ships an update every 2 weeks, Sigma Counter every 52 months. The most recent releases landed on August 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | CountRods | Sigma Counter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/countrods/id988790796/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sigma-counter/id1180349975/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 52 months |
| Monetization | Free | Free |
| Size | 33 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

### CountRods

[App page](https://appshunter.io/ios/app/countrods/id988790796)

Quickly count stacks of solid-face bars, rebars, and rods using your mobile device. Simply photograph the stack and let advanced computer vision technology do the counting. Easily verify and adjust counts for accuracy.

**Highlights:** Automated rod counting via photo, Computer vision technology, Number tagging for verification, Manual count adjustment, Custom counting template creation, Machine Learning identification

**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 CountRods free?

CountRods 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, CountRods or Sigma Counter?

Sigma Counter is rated higher. CountRods averages 1.0 out of 5 from 1 ratings, while Sigma Counter averages 4.8 from 6 ratings.

### Do CountRods or Sigma Counter have ads?

Neither CountRods nor Sigma Counter shows ads.

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

CountRods ships an update every 2 weeks, and Sigma Counter every 52 months. Most recently, CountRods was updated on August 16, 2026 and Sigma Counter on June 1, 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.*