# Image Size vs UBOOM

The clearest difference is price: UBOOM at Free against Image Size's $2.99. UBOOM also leads on update cadence (weekly vs every 3 months) and iOS requirement (9.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

UBOOM is free to download; Image Size costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Image Size ships an update every 3 months, UBOOM weekly. The most recent releases landed on October 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Image Size | UBOOM |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.7 (42 ratings)](https://appshunter.io/ios/app/image-size-resize-image/id1488247543/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 32.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | — |
| Size | 6 MB | 7 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [婧 李](https://appshunter.io/developer/513574176) | [Shenzhen Xiaozhen Technology Co.,Ltd.](https://appshunter.io/developer/1580274508) |

## What reviewers say

### Image Size

[App page](https://appshunter.io/ios/app/image-size-resize-image/id1488247543)

Quickly resize your photos with this intuitive tool. It allows for single or batch resizing, with options to maintain aspect ratio and set output quality. View original image dimensions before saving your modified files.

**Highlights:** Resize photos in seconds, Batch resizing, Lock/unlock aspect ratio, Set output image quality, View original image size, Easy-to-use interface

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

**In-app purchases:** none


### UBOOM

[App page](https://appshunter.io/ios/app/uboom/id1567898367)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Image Size free?

Image Size costs $2.99, with no in-app purchases.

### Is UBOOM free?

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

### Do Image Size or UBOOM have ads?

Neither Image Size nor UBOOM shows ads.

### Which is updated more often, Image Size or UBOOM?

Image Size ships an update every 3 months, and UBOOM weekly. Most recently, Image Size was updated on October 14, 2026 and UBOOM on September 25, 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.*