# Cardify vs Silent Proof

The clearest difference is in-app purchases: Silent Proof at none against Cardify's 3. Cardify's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cardify sells 3 in-app purchases, starting at $9.99 per 7 days. Silent Proof asks for nothing beyond the download.

Cardify ships an update fortnightly, Silent Proof every 4 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Cardify | Silent Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/cardify-mistake-scan/id6757803003/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 88.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Freemium | — |
| Size | 12 MB | 22 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Huishuo Mobile Technology Co.,Ltd.](https://appshunter.io/developer/1854274465) | [Archana Pant](https://appshunter.io/developer/1836174047) |

## What reviewers say

### Cardify

[App page](https://appshunter.io/ios/app/cardify-mistake-scan/id6757803003)

This app uses AI to help students and parents organize incorrect answers and knowledge points. Simply take a photo or select an image from your album, confirm the question's scope, and the app will create a clear record for review and tracking.

**Highlights:** Photo and album import of incorrect answers, AI-powered question scope confirmation, Detailed review of answers and solutions, Original photo retention, Organization by date, subject, and knowledge point, Analysis of weak subjects and knowledge points

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Yearly | $99.99 | per year |
| Lifetime | $199.99 | one-time |


### Silent Proof

[App page](https://appshunter.io/ios/app/silent-proof-focus-tracker/id6760334674)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardify free?

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

### Is Silent Proof free?

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

### Do Cardify or Silent Proof have ads?

Neither Cardify nor Silent Proof shows ads.

### Which is updated more often, Cardify or Silent Proof?

Cardify ships an update fortnightly, and Silent Proof every 4 months. Most recently, Cardify was updated on October 12, 2026 and Silent Proof on October 8, 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.*