# Doubtfolio vs Smart DVR connection

The clearest difference is in-app purchases: Smart DVR connection at none against Doubtfolio's 4. Doubtfolio's advantage is update cadence (every 5 days vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Doubtfolio sells 4 one-off in-app purchases. Smart DVR connection asks for nothing beyond the download.

Doubtfolio ships an update every 5 days, Smart DVR connection every 6 weeks. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Doubtfolio | Smart DVR connection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Size | 32 MB | 39 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Fetscher](https://appshunter.io/developer/1871941871) | [Nikita Perfilyev](https://appshunter.io/developer/1787392865) |

## What reviewers say

### Doubtfolio

[App page](https://appshunter.io/ios/app/doubtfolio/id6770167655)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Share Card | $0.99 | one-time |
| Full Case Report (PDF) | $2.99 | one-time |
| Report Card 10-Pack | $6.99 | one-time |
| Reality Scan Premium | $9.99 | one-time |


### Smart DVR connection

[App page](https://appshunter.io/ios/app/smart-dvr-connection/id6794244404)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doubtfolio free?

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

### Is Smart DVR connection free?

Smart DVR connection is free to download, with no in-app purchases.

### Do Doubtfolio or Smart DVR connection have ads?

Neither Doubtfolio nor Smart DVR connection shows ads.

### Which is updated more often, Doubtfolio or Smart DVR connection?

Doubtfolio ships an update every 5 days, and Smart DVR connection every 6 weeks. Most recently, Doubtfolio was updated on November 13, 2026 and Smart DVR connection on November 6, 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.*