# feeder.co vs PolySim

The clearest difference is price: feeder.co at Free against PolySim's $0.99. feeder.co also leads on rating (4.7 vs 1.0) and ratings volume (1K vs 1). PolySim's advantage is in-app purchases (none vs 6) and update cadence (every 3 days vs every 2 months). On ads there is nothing between them.

feeder.co is free to download; PolySim costs $0.99 up front. feeder.co sells 6 in-app purchases, starting at $5.99 per month. PolySim asks for nothing beyond the download.

feeder.co holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: feeder.co has 1K ratings behind it against 1, so its average is the more settled of the two.

feeder.co ships an update every 2 months, PolySim every 3 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | feeder.co | PolySim |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (1K ratings)](https://appshunter.io/ios/app/feederco-rss-feed-reader/id668210239/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/polysim-polymarket-simulator/id6764646608/reviews) |
| Number of ratings | **1K** | 1 |
| Positive reviews | 41.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Best chart rank | — | **#7** |
| Size | 55 MB | 2 MB |
| Requires iOS | **15** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Really Simple AB](https://appshunter.io/developer/1322486849) | [Matthew Moffat](https://appshunter.io/developer/1837352590) |

## What reviewers say

### feeder.co

[App page](https://appshunter.io/ios/app/feederco-rss-feed-reader/id668210239)

This app aggregates content from any online source into a single, customizable feed. It offers notifications for new content, filtering options to find specific topics, and tools to organize and share articles. Users can personalize their reading experience with different themes and modes.

**Highlights:** Customizable news feeds, Push notifications for new content, Keyword filtering and exclusion, Organize, label, and share posts, Light and dark themes, Compact and simple reading modes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feeder Pro | $5.99 | per month |
| Feeder Plus (Monthly) | $9.99 | per month |
| Feeder Professional (monthly) | $14.99 | per month |
| Feeder Pro | $59.99 | per year |
| Feeder Plus (yearly) | $95.90 | per year |
| Feeder Professional (Yearly) | $179.99 | per year |

**What reviewers like**

- 🚀 Fast and responsive
- 💡 Useful for freelance translators
- 👍 Simple and easy to use
- 🚀 Syncs well across platforms

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 💰 Expensive subscription
- 🔒 Difficult to sign up/login
- 🤔 Missing key features
- 🤔 Cluttered UI

**Reported bugs**

- Feeds stop syncing
- App crashes when reaching low unread count
- Issues with adding/deleting feeds
- Login/sign-up problems
- UI bugs and glitches

**Requested features**

- Add read-aloud function
- Improve article reading experience
- Allow sign-in/import from Feedly
- Add more customization options
- Improve feed management and organization


### PolySim

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

**Currently charting:** #7 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 feeder.co free?

feeder.co 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, feeder.co or PolySim?

feeder.co is rated higher. feeder.co averages 4.7 out of 5 from 1K ratings, while PolySim averages 1.0 from 1 ratings.

### Do feeder.co or PolySim have ads?

Neither feeder.co nor PolySim shows ads.

### Which is updated more often, feeder.co or PolySim?

feeder.co ships an update every 2 months, and PolySim every 3 days. Most recently, feeder.co was updated on October 9, 2026 and PolySim on October 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.*