# Observer for Screeps vs Synergism

The clearest difference is in-app purchases: Observer for Screeps at none against Synergism's 9. Synergism's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Synergism sells 9 in-app purchases, starting at $2.99 per month. Observer for Screeps asks for nothing beyond the download.

## The numbers

| Metric | Observer for Screeps | Synergism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (22 ratings)](https://appshunter.io/ios/app/synergism/id6761206610/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 30.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 73 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | +12 |
| Developer | [Jacob Kelly](https://appshunter.io/developer/1026086454) | [Platonic and Khafra Games](https://appshunter.io/developer/1888254519) |

## What reviewers say

### Observer for Screeps

[App page](https://appshunter.io/ios/app/observer-for-screeps/id1496710102)

**Features:** Vision Pro support

**In-app purchases:** none


### Synergism

[App page](https://appshunter.io/ios/app/synergism/id6761206610)

An idle incremental game focused on combining elements for powerful effects. Progress through a vast system of prestige layers, hundreds of achievements, and unique mechanics. Explore a world with a loosely connected story and discover numerous references.

**Highlights:** Idle Incremental Gameplay, Prestige Layers, Hundreds of Achievements, Challenge System, Exploration-Focused Progression, Synergistic Mechanics, Developer and Online Player Events

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Transcended Baller | $2.99 | per month |
| The Reincarnated Baller | $5.99 | per month |
| The Ascended Baller | $9.99 | per month |
| The Omega Baller | $19.99 | per month |
| Roll of PseudoCoins | $4.99 | one-time |
| Piggy Bank of PseudoCoins | $9.99 | one-time |
| Jar of PseudoCoins | $19.99 | one-time |
| Jug of PseudoCoins | $49.99 | one-time |
| Magic Pot of PseudoCoins | $99.99 | one-time |


## Frequently asked questions

### Is Observer for Screeps free?

Observer for Screeps is free to download, with no in-app purchases.

### Is Synergism free?

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

### Do Observer for Screeps or Synergism have ads?

Neither Observer for Screeps nor Synergism shows ads.

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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.*