# Image Upsample vs Lightning Sync

The clearest difference is rating: Image Upsample at 5.0 against Lightning Sync's 1.0. Lightning Sync's advantage is ads (none vs shown) and update cadence (every 2 days vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Image Upsample sells 4 one-off in-app purchases and Lightning Sync sells 3 in-app purchases, starting at $3.99 per 3 months. Whichever you choose, the download price is not the number that matters.

Image Upsample holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Image Upsample ships an update every 2 months, Lightning Sync every 2 days. The most recent releases landed on June 5, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Image Upsample | Lightning Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/image-upsample/id1556617503/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/lightning-sync/id6742749461/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 4 MB |
| Requires iOS | **14.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [子尧 纵](https://appshunter.io/developer/1551530272) | [振强 劳](https://appshunter.io/developer/1515679559) |

## 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Energy Ore | $0.99 | one-time |
| 10 Energy Ore | $2.99 | one-time |
| 36 Energy Ore | $8.99 | one-time |
| 120 Energy Ore | $27.99 | one-time |


### Lightning Sync

[App page](https://appshunter.io/ios/app/lightning-sync/id6742749461)

Access your iOS device's photos from your PC's web browser. Easily browse, convert images to JPG/PNG, and download them in batches. Unlock premium features with a subscription for enhanced functionality.

**Highlights:** Access photos from PC web browser, Convert images to PNG/JPG, Batch download photos/videos, Preview photos/videos, Setup web server on iOS device

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Premium Access | $3.99 | per 3 months |
| 6 Months Premium Access | $4.99 | per 6 months |
| Yearly Premium Access | $9.99 | per year |


## Frequently asked questions

### Is Image Upsample free?

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

### Is Lightning Sync free?

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

### Which has better reviews, Image Upsample or Lightning Sync?

Image Upsample is rated higher. Image Upsample averages 5.0 out of 5 from 2 ratings, while Lightning Sync averages 1.0 from 1 ratings.

### Do Image Upsample or Lightning Sync have ads?

Image Upsample shows ads; Lightning Sync does not.

### Which is updated more often, Image Upsample or Lightning Sync?

Image Upsample ships an update every 2 months, and Lightning Sync every 2 days. Most recently, Image Upsample was updated on June 5, 2026 and Lightning Sync on June 4, 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.*