# CompareImage vs AirSize

The clearest difference is in-app purchases: CompareImage at none against AirSize's 1. CompareImage also leads on iOS requirement (13.0 vs 15.0). AirSize's advantage is ads (none vs shown) and update cadence (weekly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. AirSize sells 1 one-off in-app purchase. CompareImage asks for nothing beyond the download.

CompareImage ships an update every 5 months, AirSize weekly. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CompareImage | AirSize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/compareimage/id1311736859/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [gangadhar goud](https://appshunter.io/developer/898647800) | [孝龙 刘](https://appshunter.io/developer/1855768857) |

## What reviewers say

### CompareImage

[App page](https://appshunter.io/ios/app/compareimage/id1311736859)

Easily compare two images side-by-side to decide which one is better. Delete unwanted pictures directly within the app to keep your device organized with only your best photos.

**Highlights:** Side-by-side image comparison, Delete unwanted images, Organize photo library, User-friendly interface

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

**In-app purchases:** none


### AirSize

[App page](https://appshunter.io/ios/app/airsize/id6755718658)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 妙测 Pro | $0.99 | one-time |


## Frequently asked questions

### Is CompareImage free?

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

### Is AirSize free?

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

### Do CompareImage or AirSize have ads?

CompareImage shows ads; AirSize does not.

### Which is updated more often, CompareImage or AirSize?

CompareImage ships an update every 5 months, and AirSize weekly. Most recently, CompareImage was updated on September 24, 2026 and AirSize on October 9, 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.*