# Ethos Idle vs UFO

The clearest difference is in-app purchases: UFO at none against Ethos Idle's 1. UFO also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). Ethos Idle's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. Ethos Idle sells 1 one-off in-app purchase. UFO asks for nothing beyond the download.

Ethos Idle ships an update every 3 weeks, UFO every 3 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ethos Idle | UFO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (241 ratings)](https://appshunter.io/ios/app/ethos-idle/id6737059942/reviews)** | — |
| Number of ratings | **241** | — |
| Positive reviews | 84.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Graham Goldstein](https://appshunter.io/developer/1618966149) | [Mehmet Fatih Ozulker](https://appshunter.io/developer/1894526235) |

## What reviewers say

### Ethos Idle

[App page](https://appshunter.io/ios/app/ethos-idle/id6737059942)

Guide humanity's progress from its earliest discoveries to the distant future. Manage your tribe's choices, develop over 200 unique ideas, and explore the world. Advance your civilization, unlock bonuses, and enjoy a single-player, offline experience with optional ads.

**Highlights:** Develop over 200 historic ideas, Explore and exploit the world, Manage tribe choices, Unlock exploration bonuses and synergies, Prestige mechanic upgrades, Customizable challenge scenarios, Offline single-player experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| x2 Speed | $6.99 | one-time |

**What reviewers like**

- 🚀 Fast progression
- 👍 Minimal ad interruption
- 👍 Simple and enjoyable design
- 👍 Great for relaxing and watching numbers go up
- 👍 Excellent incremental game design

**What reviewers complain about**

- 🐢 Slower progression speed desired
- 🛒 IAP for 2x production doesn't eliminate video ads

**Reported bugs**

- RNG for challenges is unfair and unfun
- Unlocking buffs for inaccessible technologies

**Requested features**

- Option to remove ads entirely
- Clarification on prestige warp gain multipliers


### UFO

[App page](https://appshunter.io/ios/app/ufo-reflex/id6767906198)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ethos Idle free?

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

### Is UFO free?

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

### Do Ethos Idle or UFO have ads?

Ethos Idle shows ads; UFO does not.

### Which is updated more often, Ethos Idle or UFO?

Ethos Idle ships an update every 3 weeks, and UFO every 3 days. Most recently, Ethos Idle was updated on October 25, 2026 and UFO on October 14, 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.*