# Contacts Manager vs Slimm

The clearest difference is price: Slimm at Free against Contacts Manager's $0.99. Slimm also leads on update cadence (every 3 days vs every 3 months). Contacts Manager's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 18). On ads and device support there is nothing between them.

Slimm is free to download; Contacts Manager costs $0.99 up front. Slimm sells 1 one-off in-app purchase. Contacts Manager asks for nothing beyond the download.

Contacts Manager ships an update every 3 months, Slimm every 3 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Contacts Manager | Slimm |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (92 ratings)](https://appshunter.io/ios/app/contacts-manager-fast/id818968046/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 11 MB | 2 MB |
| Requires iOS | **10.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chuansheng Jia](https://appshunter.io/developer/1845615575) | [君 周](https://appshunter.io/developer/1745278927) |

## What reviewers say

### Contacts Manager

[App page](https://appshunter.io/ios/app/contacts-manager-fast/id818968046)

Organize your address book with advanced AI. Easily back up, merge duplicates, and manage contacts. Send group messages and delete entries in bulk for a cleaner, more efficient contact list.

**Highlights:** AI-powered contact management, One-click vCard backup and sync, Intelligent duplicate contact merging, Detects expired and frequently used numbers, Group SMS sending, Batch contact deletion

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

**In-app purchases:** none


### 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 Contacts Manager free?

Contacts Manager costs $0.99, with no in-app purchases.

### Is Slimm free?

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

### Do Contacts Manager or Slimm have ads?

Neither Contacts Manager nor Slimm shows ads.

### Which is updated more often, Contacts Manager or Slimm?

Contacts Manager ships an update every 3 months, and Slimm every 3 days. Most recently, Contacts Manager was updated on November 1, 2026 and Slimm on November 5, 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.*