# Rectifi vs Centered Cardboard

Rectifi and Centered Cardboard are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Rectifi sells 1 in-app purchase, starting at $7.99 per month and Centered Cardboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Rectifi against 4.9 for Centered Cardboard. Both are backed by a comparable volume of ratings — 23 and 58 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Rectifi ships an update every 11 days, Centered Cardboard every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rectifi | Centered Cardboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (23 ratings)](https://appshunter.io/ios/app/rectifi-card-centering-tool/id6759215052/reviews)** | [4.9 (58 ratings)](https://appshunter.io/ios/app/centered-cardboard/id6759780836/reviews) |
| Number of ratings | 23 | **58** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 53 MB | 18 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Echan Ventures, LLC](https://appshunter.io/developer/1877471240) | [Oak Labs Limited Liability Company](https://appshunter.io/developer/1880606503) |

## What reviewers say

### Rectifi

[App page](https://appshunter.io/ios/app/rectifi-card-centering-tool/id6759215052)

Scan trading cards to accurately assess centering against industry standards like PSA, BGS, and CGC. Features automatic perspective correction for precise measurements, even from awkward angles. Offers guided corner placement and detailed analysis for various card types.

**Highlights:** Automatic perspective correction, Centering analysis for PSA, BGS, CGC, Guided corner placement, Automatic card detection, Standard and Pro scan modes, Scan history and comparison

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rectifi Pro Monthly | $7.99 | per month |


### 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 |


## Frequently asked questions

### Is Rectifi free?

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

### Is Centered Cardboard free?

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

### Which has better reviews, Rectifi or Centered Cardboard?

Rectifi is rated higher. Rectifi averages 5.0 out of 5 from 23 ratings, while Centered Cardboard averages 4.9 from 58 ratings.

### Do Rectifi or Centered Cardboard have ads?

Neither Rectifi nor Centered Cardboard shows ads.

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

Rectifi ships an update every 11 days, and Centered Cardboard every 3 weeks. Most recently, Rectifi was updated on October 24, 2026 and Centered Cardboard on October 25, 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.*