# Nelko vs Card Centering Calculator

The clearest difference is monetization model: Card Centering Calculator at free with in-app purchases against Nelko's subscription. Nelko's advantage is review sentiment (96% vs 60%) and ads (none vs shown). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Nelko sells 8 in-app purchases, starting at $3.99 per month and Card Centering Calculator sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Nelko holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Nelko has 21K ratings behind it against 2.6K, so its average is the more settled of the two. Written reviews point the same way: 96% of Nelko's written reviews are positive against 60% of Card Centering Calculator's.

Nelko ships an update every 8 days, Card Centering Calculator monthly. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Nelko | Card Centering Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21K ratings)](https://appshunter.io/ios/app/nelko/id1659386800/reviews)** | [4.7 (2.6K ratings)](https://appshunter.io/ios/app/card-centering-calculator/id6661022837/reviews) |
| Number of ratings | **21K** | 2.6K |
| Positive reviews | **95.8% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 138 MB | 21 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [E-z Ink Technology Co., Ltd](https://appshunter.io/developer/1794917158) | [Jade Lizard Software LLC](https://appshunter.io/developer/528029155) |

## What reviewers say

### Nelko

[App page](https://appshunter.io/ios/app/nelko/id1659386800)

This app offers a smart and creative label design experience with powerful editing tools, AI features, and a vast template library. It simplifies label creation for home, office, study, and gift packaging, making printing effortless and precise.

**Highlights:** Refreshed intuitive UI, All-in-one label creation, Massive template library, AI image generation, AI cutout tool, Support for various label types

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Limited Time Deal | $3.99 | per month |
| Monthly Subscription | $5.99 | per month |
| Quarterly - Limited Time Deal | $9.99 | per 3 months |
| Quarterly Subscription | $15.99 | per 3 months |
| Annual - Limited Time Deal | $24.99 | per year |
| Annual Subscription | $45.99 | per year |
| 100 points, valid for 1 month | $3.99 | one-time |
| 300 points, valid for 2 months | $8.99 | one-time |

**What reviewers like**

- 🚀 Easy to set up and use
- 👍 Convenient and portable
- 🔍 Helpful for organization
- 💡 Customizable labels
- ⚡ Quick printing

**What reviewers complain about**

- 🐛 Occasional printing issues
- 🔋 Label fade over time
- 🔍 Limited customization options

**Reported bugs**

- Printing misalignment after update
- Connectivity issues with newer devices
- Font size becoming too large after update

**Requested features**

- Barcode scanning capability
- More font and design options
- Ability to delete saved templates
- Indicator for remaining label count


### Card Centering Calculator

[App page](https://appshunter.io/ios/app/card-centering-calculator/id6661022837)

This app helps collectors and traders measure card centering ratios for grading. It uses AI to detect centering or allows manual adjustments for precise measurements, displaying potential grades from major companies.

**Highlights:** AI-powered card centering detection, Manual centering measurement with zoom, Grade comparisons for PSA, BGS, SGC, CGC, TAG, ACE, Front and back side centering measurement, Grading standards reference guide, Off-center visualization tool

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Unlock Premium | $4.99 | one-time |
| Large Tip | $4.99 | one-time |
| Pristine Tip | $9.99 | one-time |

**What reviewers like**

- 👍 Intuitive and flexible
- 🚀 Provides great information on centering
- 💡 Helpful for graders and collectors
- 👍 Easy to use and user-friendly
- 👍 Accurate and works as a physical tool

**What reviewers complain about**

- 🐛 Centering measurement doesn't work properly
- 🔒 Grading information locked behind paywall
- 🐛 Camera quality issues, app resets during use

**Reported bugs**

- Centering measurement resets during use
- Image rotation doesn't stay in place

**Requested features**

- Thinner and dashed centering lines for better visibility
- Free access to grading information without subscription


## Frequently asked questions

### Is Nelko free?

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

### Is Card Centering Calculator free?

Card Centering Calculator is free to download, with in-app purchases available.

### Which has better reviews, Nelko or Card Centering Calculator?

Nelko is rated higher. Nelko averages 4.9 out of 5 from 21K ratings, while Card Centering Calculator averages 4.7 from 2.6K ratings.

### Do Nelko or Card Centering Calculator have ads?

Card Centering Calculator shows ads; Nelko does not.

### Which is updated more often, Nelko or Card Centering Calculator?

Nelko ships an update every 8 days, and Card Centering Calculator monthly. Most recently, Nelko was updated on October 31, 2026 and Card Centering Calculator on October 30, 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.*