# SlimSpace vs Paean Praxis

The clearest difference is ads: Paean Praxis at none against SlimSpace's shown. Paean Praxis also leads on update cadence (weekly vs every 2 weeks). SlimSpace's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SlimSpace sells 4 in-app purchases, starting at $0.69 per 7 days and Paean Praxis sells 3 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

SlimSpace ships an update every 2 weeks, Paean Praxis weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SlimSpace | Paean Praxis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1K ratings)](https://appshunter.io/ios/app/slimspace-compressor/id1232910576/reviews)** | — |
| Number of ratings | **1K** | — |
| Positive reviews | 67.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 41 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [HappyTimes Tech Co., Ltd.](https://appshunter.io/developer/1455774641) | [Shanghai Zero One Intelligence Ltd.](https://appshunter.io/developer/463264937) |

## What reviewers say

### SlimSpace

[App page](https://appshunter.io/ios/app/slimspace-compressor/id1232910576)

Free up device storage by reducing the size of photos and videos. This app offers offline compression with advanced algorithms to maintain quality. It supports various file formats and includes tools for cleaning up your photo library.

**Highlights:** Offline compression, No watermark or time limits, Advanced quality preservation, Supports major file formats, Customizable compression settings, Batch compression, Album and screenshot cleaner

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade(1 Week) | $0.69 | per 7 days |
| Upgrade(1 Month) | $3.49 | per month |
| Compressor Vip(1 Year) | $6.49 | per year |
| Upgrade(Forever) | $18.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast compression
- 💡 Useful compression options
- ✨ Good quality compression
- 💾 Saves storage space

**What reviewers complain about**

- 🐛 Crashes and freezes
- 💸 Aggressive upselling and ads
- 🔍 Confusing interface
- 🤔 Inconsistent performance
- 🔒 Unreliable paid features

**Reported bugs**

- Videos not resizing properly
- Compressed photos not saving to album
- Paid features not working as expected
- App crashing on launch or during compression
- Excessive data usage

**Requested features**

- Batch compression option
- More compression quality settings
- Ability to preview compressed files
- Support for more file types
- Improved error handling and feedback


### Paean Praxis

[App page](https://appshunter.io/ios/app/paean-praxis/id6818741536)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Praxis Premium | $49.99 | per month |
| Praxis Max | $100.00 | per month |
| Praxis Ultra | $200.00 | per month |


## Frequently asked questions

### Is SlimSpace free?

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

### Is Paean Praxis free?

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

### Do SlimSpace or Paean Praxis have ads?

SlimSpace shows ads; Paean Praxis does not.

### Which is updated more often, SlimSpace or Paean Praxis?

SlimSpace ships an update every 2 weeks, and Paean Praxis weekly. Most recently, SlimSpace was updated on November 2, 2026 and Paean Praxis 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.*