# Call.io vs MD Preview

The clearest difference is in-app purchases: MD Preview at none against Call.io's 10. MD Preview also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Call.io sells 10 in-app purchases, starting at $7.99 per 7 days. MD Preview asks for nothing beyond the download.

Call.io ships an update every 2 weeks, MD Preview every 4 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Call.io | MD Preview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (17 ratings)](https://appshunter.io/ios/app/callio-ai-phone-assistant/id6754271278/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 4 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [GETVERIFY LDA](https://appshunter.io/developer/1494178697) | [DILEK EMINOGLU](https://appshunter.io/developer/6772718297) |

## What reviewers say

### Call.io

[App page](https://appshunter.io/ios/app/callio-ai-phone-assistant/id6754271278)

This AI-powered assistant screens incoming calls, filters spam, and handles conversations on your behalf. It can take notes, provide call summaries, and even make outbound calls, saving you time and stress from unwanted interruptions.

**Highlights:** Smart call screening and filtering, Spam call blocking and "Chatty Aunt" mode, Call transcripts and voice summaries, Personalized call rules and contact syncing, Roaming call handling without extra fees, Outbound call capabilities, Dedicated global business line

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Monthly | $14.99 | per month |
| 350K Token | $2.99 | one-time |
| 600K Token | $4.99 | one-time |
| 1M Token | $7.99 | one-time |
| 1.7M Token | $12.99 | one-time |
| 2.8M Token | $19.99 | one-time |
| 6.7M Token | $44.99 | one-time |
| 9M Token | $59.99 | one-time |
| 13M Token | $79.99 | one-time |


### MD Preview

[App page](https://appshunter.io/ios/app/md-preview/id6790422676)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Call.io free?

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

### Is MD Preview free?

MD Preview is free to download, with no in-app purchases.

### Do Call.io or MD Preview have ads?

Neither Call.io nor MD Preview shows ads.

### Which is updated more often, Call.io or MD Preview?

Call.io ships an update every 2 weeks, and MD Preview every 4 weeks. Most recently, Call.io was updated on October 30, 2026 and MD Preview on October 31, 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.*