# Manifold Markets vs PolySim

The clearest difference is price: Manifold Markets at Free against PolySim's $0.99. Manifold Markets also leads on rating (4.5 vs 1.0) and ratings volume (139 vs 1). PolySim's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs fortnightly). On ads there is nothing between them.

Manifold Markets is free to download; PolySim costs $0.99 up front. Manifold Markets sells 3 one-off in-app purchases. PolySim asks for nothing beyond the download.

Manifold Markets holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Manifold Markets has 139 ratings behind it against 1, so its average is the more settled of the two.

Manifold Markets ships an update fortnightly, PolySim every 3 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Manifold Markets | PolySim |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (139 ratings)](https://appshunter.io/ios/app/manifold-markets/id6444136749/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/polysim-polymarket-simulator/id6764646608/reviews) |
| Number of ratings | **139** | 1 |
| Positive reviews | 68.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#101** |
| Size | 27 MB | 2 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +17 | 4+ |
| Developer | [Manifold Markets, Inc.](https://appshunter.io/developer/1652572425) | [Matthew Moffat](https://appshunter.io/developer/1837352590) |

## What reviewers say

### Manifold Markets

[App page](https://appshunter.io/ios/app/manifold-markets/id6444136749)

This app offers accurate forecasts on a wide range of topics. Users can trade on these forecasts using play-money, earn if they are correct, and create their own questions to explore their curiosities. It's a platform for social forecasting and prediction.

**Highlights:** Accurate forecasts, Trade on forecasts, Earn play-money, Ask prediction questions, Social forecasting, Future prediction

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Mana | $14.99 | one-time |
| 2,500 Mana | $35.99 | one-time |
| 10,000 Mana | $142.99 | one-time |

**What reviewers like**

- 👍 Great concept and idea
- 👍 Informative and educational
- 👍 Fun and addictive
- 👍 Good UI and design
- 👍 Responsive and well-made app

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 🐛 Site is down or slows to a crawl constantly
- 🐛 Inconsistent moderation policies
- 🐛 Vague polls and subjective resolutions
- 🐛 App is a port of the mobile website, could be smoother

**Reported bugs**

- Update deleted markets and verification feature doesn't work
- Stuck on loading screen after account creation
- Questions vanish after creation
- Loading bar issue when viewing trades
- Verification feature errors out

**Requested features**

- More interesting and diverse markets
- Ability to save drafts of questions
- Easier way to embed predictions into Obsidian.md
- Switching tabs shouldn't send back to home page
- App-specific functions beyond mobile website port


### PolySim

[App page](https://appshunter.io/ios/app/polysim-polymarket-simulator/id6764646608)

**Currently charting:** #101 Top Paid · News (US App Store)

Practice trading on prediction markets without any financial risk. This simulator allows you to test your instincts on various event markets using virtual money. Learn about market dynamics and improve your trading strategies in a clean, fast interface.

**Highlights:** Virtual cash balance, Trade Yes/No outcomes, Real-time profit/loss tracking, Build multi-category positions, Monitor portfolio performance, Explore diverse event categories, Fast, clean interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Manifold Markets free?

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

### Is PolySim free?

PolySim costs $0.99, with no in-app purchases.

### Which has better reviews, Manifold Markets or PolySim?

Manifold Markets is rated higher. Manifold Markets averages 4.5 out of 5 from 139 ratings, while PolySim averages 1.0 from 1 ratings.

### Do Manifold Markets or PolySim have ads?

Neither Manifold Markets nor PolySim shows ads.

### Which is updated more often, Manifold Markets or PolySim?

Manifold Markets ships an update fortnightly, and PolySim every 3 days. Most recently, Manifold Markets was updated on October 12, 2026 and PolySim on October 5, 2026.

---

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