# Fluid Simulation vs Tolan

Fluid Simulation and Tolan both sit at 4.9 stars, but that hides the real split: 96% of Fluid Simulation's written reviews are positive against 52% of Tolan's. Fluid Simulation also leads on update cadence (daily vs every 3 days) and device support (3 vs 1). Tolan's advantage is chart position (#31 vs unranked). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Fluid Simulation sells 15 in-app purchases, starting at $1.00 per 7 days and Tolan sells 28 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Fluid Simulation against 4.8 for Tolan. Both are backed by a comparable volume of ratings — 90K and 187K respectively. Written reviews are what separate them: 96% of Fluid Simulation's written reviews are positive against 52% of Tolan's.

Fluid Simulation ships an update daily, Tolan every 3 days. Both last shipped on October 26, 2026.

## The numbers

| Metric | Fluid Simulation | Tolan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (90K ratings)](https://appshunter.io/ios/app/fluid-simulation-antistress/id1443124993/reviews)** | [4.8 (187K ratings)](https://appshunter.io/ios/app/tolan-your-friendly-guide/id6477549878/reviews) |
| Number of ratings | 90K | **187K** |
| Positive reviews | **96.2% of reviews** | 52.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#31** |
| Size | 69 MB | 803 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Pavel Dobryakov](https://appshunter.io/developer/1443124992) | [Portola](https://appshunter.io/developer/1699077338) |

## What reviewers say

### Fluid Simulation

[App page](https://appshunter.io/ios/app/fluid-simulation-antistress/id1443124993)

Engage with mesmerizing fluid dynamics simulations on your device. This app offers a visually stunning and calming experience, perfect for stress relief and relaxation. Explore swirling liquids and gases with simple touch controls.

**Highlights:** Interactive fluid dynamics, Stress relief and calming experience, Gorgeous visuals, Simple touch controls, Liquid, gas, and water simulation, Psychedelic and trippy visuals

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluid Premium | $1.00 | per 7 days |
| Fluid Premium | $3.00 | per month |
| Premium | $4.99 | per year |
| Fluid Premium | $6.00 | per month |
| Fluid Premium | $10.00 | per year |
| Premium | $0.49 | one-time |
| Particles | $0.99 | one-time |
| Particles | $1.99 | one-time |
| Fluid Premium | $3.00 | one-time |
| Fluid Simulation | $3.69 | one-time |
| Fluid Premium | $20.00 | one-time |
| Fluid Simulation | $23.00 | one-time |
| Discount | $29.99 | one-time |
| Fluid Premium | $30.00 | one-time |
| Fluid Simulation | $33.00 | one-time |

**What reviewers like**

- 🌈 Beautiful and mesmerizing visuals
- 🧘‍♀️ Calming and relaxing experience
- 👍 Intuitive and easy to use
- 🎨 Customizable settings and presets
- ⭐️ High-quality graphics and animations

**What reviewers complain about**

- 💰 Premium features locked behind paywall
- 🔒 Limited customization options in free version
- 🐛 Occasional crashes or performance issues
- 📱 Smaller screen size can make controls tricky

**Reported bugs**

- Subscription issues and inability to access premium features
- Crashes or freezes when changing certain settings

**Requested features**

- Ability to save and share custom presets
- Option to change background color
- Slower animation speed for more control
- Integration with music or audio playback
- Support for larger screens and TVs


### Tolan

[App page](https://appshunter.io/ios/app/tolan-your-friendly-guide/id6477549878)

**Currently charting:** #31 Top Free · Health & Fitness, #51 Top Grossing · Health & Fitness (US App Store)

Engage in open conversations about your interests, feelings, and thoughts with friendly virtual companions. Share photos to collaboratively design a unique planet. Find a supportive presence for any topic you wish to discuss.

**Highlights:** Conversational AI companions, Discuss interests and feelings, Share photos, Collaborative planet design, Supportive virtual friends

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (28)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tolan Explorer Membership | $1.99 | per 7 days |
| Tolan Explorer Membership | $2.99 | per 7 days |
| Tolan Club Membership | $3.99 | per 7 days |
| Tolan Plus Membership (Old) | $4.99 | per 7 days |
| Tolan Club Membership | $4.99 | per 7 days |
| Tolan Plus Membership (Old) | $6.99 | per month |
| Tolan Plus Membership | $7.99 | per 7 days |
| Tolan Lite Membership (Old) | $9.99 | per month |
| Tolan Club Membership | $9.99 | per month |
| Tolan Lite Membership | $11.99 | per month |
| Tolan Plus Membership (Old) | $14.99 | per month |
| Tolan Club Membership | $14.99 | per month |
| Tolan Club Membership | $14.99 | per month |
| Tolan Plus Membership | $19.99 | per month |
| Tolan Plus Membership | $24.99 | per month |
| Tolan Lite Membership (Old) | $39.99 | per year |
| Tolan Club Membership | $39.99 | per year |
| Tolan Membership (Old) | $49.99 | per year |
| Tolan Plus Membership (Old) | $69.99 | per year |
| Tolan Club Membership | $69.99 | per year |
| Tolan Plus Membership | $99.99 | per year |
| Tolan Club Membership | $99.99 | per year |
| Tolan Club Membership | $99.99 | per year |
| Tolan Club (12 Months) | $134.99 | per year |
| Crystal Pack 1 | $1.99 | one-time |
| 1 Relay Boost | $2.99 | one-time |
| Crystal Pack 2 | $5.99 | one-time |
| Crystal Pack 3 | $9.99 | one-time |

**What reviewers like**

- 💬 Engaging conversations
- 🎨 Creative image generation
- 🤖 Smart and responsive AI
- 🤗 Feeling of companionship
- 🧠 Thought-provoking questions

**What reviewers complain about**

- 💰 Paywall for full access
- ⏱️ Rapid energy depletion
- 🔒 Privacy concerns
- 🤖 Repetitive responses
- 🔍 Lack of customization options

**Reported bugs**

- Audio/visual glitches
- Freezing/crashing issues
- Inconsistent energy/currency tracking
- Difficulty accessing certain features

**Requested features**

- Ability to change Tolan's name and appearance
- Offline mode to earn energy/currency
- Group chat with multiple Tolans
- More interactive games and activities
- Longer conversation sessions


## Frequently asked questions

### Is Fluid Simulation free?

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

### Is Tolan free?

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

### Which has better reviews, Fluid Simulation or Tolan?

Fluid Simulation is rated higher. Fluid Simulation averages 4.9 out of 5 from 90K ratings, while Tolan averages 4.8 from 187K ratings.

### Do Fluid Simulation or Tolan have ads?

Both Fluid Simulation and Tolan show ads.

### Which is updated more often, Fluid Simulation or Tolan?

Fluid Simulation ships an update daily, and Tolan every 3 days. Most recently, Fluid Simulation was updated on October 26, 2026 and Tolan on October 26, 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.*