# Kantu vs Side Space

The clearest difference is price: Side Space at Free against Kantu's $1.99. Side Space also leads on rating (4.5 vs 1.5) and update cadence (every 3 days vs every 9 days). Kantu's advantage is in-app purchases (none vs 4). On ratings volume, ads and device support there is nothing between them.

Side Space is free to download; Kantu costs $1.99 up front. Side Space sells 4 in-app purchases, starting at $2.99 per 7 days. Kantu asks for nothing beyond the download.

Side Space holds the better App Store score, 4.5 against 1.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Kantu ships an update every 9 days, Side Space every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kantu | Side Space |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/kantu-image-viewer/id1458706066/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/side-space-multiple-accounts/id6808648362/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Paid | **Freemium** |
| Size | 17 MB | 18 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [俊锋 仝](https://appshunter.io/developer/1209824000) | [Sang Cao](https://appshunter.io/developer/6801052919) |

## What reviewers say

### Kantu

[App page](https://appshunter.io/ios/app/kantu-image-viewer/id1458706066)

This tool allows you to view a wide range of image formats, including those not natively supported by your device. It integrates with your file system and other apps to open image files, offering thumbnail previews and Quick Look functionality.

**Highlights:** External image browsing, Support for unsupported formats, System native file system integration, Open image files from other apps, Image file thumbnails, Quick Look support

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

**In-app purchases:** none


### Side Space

[App page](https://appshunter.io/ios/app/side-space-multiple-accounts/id6808648362)

Create isolated digital environments on your device to manage multiple accounts for web services. Each environment can store its own web sessions, notes, photos, and videos separately, with optional privacy features and passcode protection.

**Highlights:** Multiple isolated environments, Separate web sessions and logins, Private, hidden spaces, On-device data storage, Proxy support per space, Notes and photo storage

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $5.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Kantu free?

Kantu costs $1.99, with no in-app purchases.

### Is Side Space free?

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

### Which has better reviews, Kantu or Side Space?

Side Space is rated higher. Kantu averages 1.5 out of 5 from 2 ratings, while Side Space averages 4.5 from 2 ratings.

### Do Kantu or Side Space have ads?

Neither Kantu nor Side Space shows ads.

### Which is updated more often, Kantu or Side Space?

Kantu ships an update every 9 days, and Side Space every 3 days. Most recently, Kantu was updated on November 3, 2026 and Side Space 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.*