# Alder AI vs Ratemate

The clearest difference is rating: Ratemate at 4.7 against Alder AI's 3.5. Ratemate also leads on ratings volume (804 vs 15). Alder AI's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ratemate holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Ratemate has 804 ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 50% of Alder AI's written reviews are positive against 47% of Ratemate's, so the app with the better star average is not the one people write more warmly about.

Alder AI ships an update fortnightly, Ratemate every 10 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Alder AI | Ratemate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (15 ratings)](https://appshunter.io/ios/app/alder-ai-smart-home-security/id6743156517/reviews) | **[4.7 (804 ratings)](https://appshunter.io/ios/app/ratemate/id6790577413/reviews)** |
| Number of ratings | 15 | **804** |
| Positive reviews | **50.0% of reviews** | 47.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 341 MB | 75 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [InstaView.ai](https://appshunter.io/developer/1705438831) | [Ratemate, Inc.](https://appshunter.io/developer/6790577415) |

## What reviewers say

### Alder AI

[App page](https://appshunter.io/ios/app/alder-ai-smart-home-security/id6743156517)

Monitor your home security with AI-powered surveillance. View live HD video feeds, receive intelligent alerts with AI summaries, and utilize features like two-way audio and color night vision. Requires a valid Alder account for access.

**Highlights:** AI-powered human and vehicle detection, Live HD video feeds (2-8 cameras), Instant AI-enhanced security alerts, Two-way audio communication, Color night vision, Real-time event recording

**Features:** macOS Compatibility

**In-app purchases:** none


### Ratemate

[App page](https://appshunter.io/ios/app/ratemate/id6790577413)

Discover and share recommendations with your trusted friends. Rate anything from movies to restaurants using a unique scale and see what your circle loves. An AI assistant helps you find new favorites based on your friends' opinions and local popularity.

**Highlights:** Rate anything with a four-tier scale, See friends' ratings and comments, AI-powered recommendations, Discover nearby rated places, Create and share curated lists, Direct messaging with friends

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

**In-app purchases:** none


## Frequently asked questions

### Is Alder AI free?

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

### Is Ratemate free?

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

### Which has better reviews, Alder AI or Ratemate?

Ratemate is rated higher. Alder AI averages 3.5 out of 5 from 15 ratings, while Ratemate averages 4.7 from 804 ratings.

### Do Alder AI or Ratemate have ads?

Ratemate shows ads; Alder AI does not.

### Which is updated more often, Alder AI or Ratemate?

Alder AI ships an update fortnightly, and Ratemate every 10 days. Most recently, Alder AI was updated on October 30, 2026 and Ratemate on November 10, 2026.

---

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