# Image Upsample vs InterVoIP

The clearest difference is in-app purchases: InterVoIP at none against Image Upsample's 3. InterVoIP also leads on ads (none vs shown). Image Upsample's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 16.0). On price and update cadence there is nothing between them.

Both are free to download. Image Upsample sells 3 one-off in-app purchases. InterVoIP asks for nothing beyond the download.

Image Upsample ships an update every 2 months, InterVoIP every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Image Upsample | InterVoIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/image-upsample/id1556617503/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 109 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [子尧 纵](https://appshunter.io/developer/1551530272) | [ICUK Computing Services Ltd](https://appshunter.io/developer/943220204) |

## What reviewers say

### Image Upsample

[App page](https://appshunter.io/ios/app/image-upsample/id1556617503)

Enhance the clarity of your mobile photos by increasing their resolution. Simply select an image and tap a button to automatically process and magnify it, making details sharper and more visible.

**Highlights:** Magnify image resolution, Automatic processing, Improve image clarity, Supports selected resolutions up to 1200*1200, AI-powered enhancement

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Energy Ore | $2.99 | one-time |
| 36 Energy Ore | $8.99 | one-time |
| 120 Energy Ore | $27.99 | one-time |


### InterVoIP

[App page](https://appshunter.io/ios/app/intervoip/id6754845642)

**In-app purchases:** none


## Frequently asked questions

### Is Image Upsample free?

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

### Is InterVoIP free?

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

### Do Image Upsample or InterVoIP have ads?

Image Upsample shows ads; InterVoIP does not.

### Which is updated more often, Image Upsample or InterVoIP?

Image Upsample ships an update every 2 months, and InterVoIP every 6 weeks. Most recently, Image Upsample was updated on November 3, 2026 and InterVoIP on October 30, 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.*