# Spaceback vs Slimm

The clearest difference is ads: Slimm at none against Spaceback's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Spaceback sells 4 in-app purchases, starting at $9.99 per 7 days and Slimm sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Spaceback | Slimm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/spaceback-clean-up-storage/id6759666234/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 2 MB |
| Requires iOS | **17.0** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mayrose Future Company](https://appshunter.io/developer/1861811769) | [君 周](https://appshunter.io/developer/1745278927) |

## What reviewers say

### Spaceback

[App page](https://appshunter.io/ios/app/spaceback-clean-up-storage/id6759666234)

Easily manage your iPhone's storage by identifying and removing duplicate photos, compressing videos, and clearing out large files. This app helps you reclaim gigabytes of space without accidentally deleting important memories, offering a calm and smart approach to decluttering your device.

**Highlights:** Find and remove duplicate photos, Compress videos without quality loss, Identify and clear large files, Manage and merge duplicate contacts, Convert Live Photos to stills, Clean, calm interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Spaceback Pro Annual | $34.99 | per year |
| Spaceback Pro — Lifetime | $7.99 | one-time |
| Spaceback Pro — Lifetime | $79.99 | one-time |


### Slimm

[App page](https://appshunter.io/ios/app/slimm-free-up-cloud-space/id6776470840)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slimm Pro | $3.99 | one-time |


## Frequently asked questions

### Is Spaceback free?

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

### Is Slimm free?

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

### Do Spaceback or Slimm have ads?

Spaceback shows ads; Slimm does not.

### Which is updated more often, Spaceback or Slimm?

Spaceback ships an update every 3 days, and Slimm every 3 days. Most recently, Spaceback was updated on November 5, 2026 and Slimm on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*