# Multisaurus vs Cereb IoT

The clearest difference is in-app purchases: Cereb IoT at none against Multisaurus's 2. Multisaurus's advantage is update cadence (every 4 months vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Multisaurus sells 2 one-off in-app purchases. Cereb IoT asks for nothing beyond the download.

Multisaurus ships an update every 4 months, Cereb IoT every 12 months. The most recent releases landed on November 13, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Multisaurus | Cereb IoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (238 ratings)](https://appshunter.io/ios/app/multisaurus/id931310320/reviews)** | — |
| Number of ratings | **238** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 42 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Craig Grummitt](https://appshunter.io/developer/850010899) | [Cereb Intelligence Limited](https://appshunter.io/developer/1442054685) |

## What reviewers say

### Multisaurus

[App page](https://appshunter.io/ios/app/multisaurus/id931310320)

Explore word relationships beyond simple synonyms. Discover connections between synonyms of multiple words, find shared terms, and exclude specific related words to refine your vocabulary. Ideal for writers and students seeking precise language.

**Highlights:** Connects to multiple thesauruses, Find synonyms of multiple words, Exclude synonyms of other words, Find shared synonyms between words, Discover word relationship connections

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial. | Free | one-time |
| Activate Multisaurus | $0.99 | one-time |

**What reviewers like**

- 💡 Clever approach to finding words
- 👍 Easy to navigate and use
- ✨ Aesthetically pleasing design
- 💡 Great for writers and brainstorming
- 💡 Useful for vocabulary expansion

**What reviewers complain about**

- 👎 Very limited vocabulary
- 👎 Doesn't provide many synonyms
- 👎 Basic word selection
- 👎 Only works in portrait orientation
- 👎 Issues with adverbs

**Reported bugs**

- iPhone froze after opening app
- App still cannot be used after freezing
- Constant feedback request interruptions
- Premium version stopped working
- Adding additional words does nothing

**Requested features**

- Add dictionary definitions for each word
- Incorporate a way to look up definitions of results
- Add an introduction jingle


### Cereb IoT

[App page](https://appshunter.io/ios/app/cereb-iot/id6446927491)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Multisaurus free?

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

### Is Cereb IoT free?

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

### Do Multisaurus or Cereb IoT have ads?

Neither Multisaurus nor Cereb IoT shows ads.

### Which is updated more often, Multisaurus or Cereb IoT?

Multisaurus ships an update every 4 months, and Cereb IoT every 12 months. Most recently, Multisaurus was updated on November 13, 2026 and Cereb IoT on November 12, 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.*