# Centered Cardboard vs gemly_card

The clearest difference is price: Centered Cardboard at Free against gemly_card's $0.99. gemly_card's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 3 weeks). On ads, device support and iOS requirement there is nothing between them.

Centered Cardboard is free to download; gemly_card costs $0.99 up front. Centered Cardboard sells 1 one-off in-app purchase. gemly_card asks for nothing beyond the download.

Centered Cardboard ships an update every 3 weeks, gemly_card every 5 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Centered Cardboard | gemly_card |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (40 ratings)](https://appshunter.io/ios/app/centered-cardboard/id6759780836/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oak Labs Limited Liability Company](https://appshunter.io/developer/1880606503) | [onnomad inc.](https://appshunter.io/developer/1559512710) |

## What reviewers say

### Centered Cardboard

[App page](https://appshunter.io/ios/app/centered-cardboard/id6759780836)

This app helps trading card collectors pre-grade their cards by analyzing centering and alignment. It uses your device's camera and visual tools to provide quick, consistent, and accurate feedback on card position and border spacing.

**Highlights:** Live centering feedback with color-coded indicators, Skewed measuring for rotated borders, Exact distances for border spacing, Gyro leveling crosshair, Outline guide overlays, Up to 100x zoom, Camera capture or photo import

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centered Cardboard Pro | $4.99 | one-time |


### gemly_card

[App page](https://appshunter.io/ios/app/gemly-card/id6792956463)

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

**In-app purchases:** none


## Frequently asked questions

### Is Centered Cardboard free?

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

### Is gemly_card free?

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

### Do Centered Cardboard or gemly_card have ads?

Neither Centered Cardboard nor gemly_card shows ads.

### Which is updated more often, Centered Cardboard or gemly_card?

Centered Cardboard ships an update every 3 weeks, and gemly_card every 5 days. Most recently, Centered Cardboard was updated on October 17, 2026 and gemly_card on October 10, 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.*