# Fly & Math vs Idle Spirits

The clearest difference is in-app purchases: Idle Spirits at none against Fly & Math's 3. Idle Spirits also leads on update cadence (every 3 weeks vs every 6 months). Fly & Math's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Fly & Math sells 3 one-off in-app purchases. Idle Spirits asks for nothing beyond the download.

Fly & Math ships an update every 6 months, Idle Spirits every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fly & Math | Idle Spirits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/idle-spirits-pixel-sanctuary/id6757659907/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 44 MB | 179 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Krasikov](https://appshunter.io/developer/1602060857) | [KeiK LLC](https://appshunter.io/developer/1854674572) |

## What reviewers say

### Fly & Math

[App page](https://appshunter.io/ios/app/fly-and-math-arcade/id1606381135)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 золота | $0.99 | one-time |
| 300 золота | $2.99 | one-time |
| 900 золота | $6.99 | one-time |


### Idle Spirits

[App page](https://appshunter.io/ios/app/idle-spirits-pixel-sanctuary/id6757659907)

Summon, merge, and collect pixel-art spirits to build a thriving sanctuary. Your spirits gather resources even when you're away, ensuring progress. Enjoy a dynamic world with changing weather, special events, and a classic block-breaker mode.

**Highlights:** Summon and merge 24 pixel-art spirits, Grow and upgrade elemental homes, Offline progress for up to 24 hours, Dynamic world with real-time weather and events, Star Return (prestige) system, Classic block-breaker mini-game

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

**In-app purchases:** none


## Frequently asked questions

### Is Fly & Math free?

Fly & Math is free to download, with in-app purchases available.

### Is Idle Spirits free?

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

### Do Fly & Math or Idle Spirits have ads?

Idle Spirits shows ads; Fly & Math does not.

### Which is updated more often, Fly & Math or Idle Spirits?

Fly & Math ships an update every 6 months, and Idle Spirits every 3 weeks. Most recently, Fly & Math was updated on November 3, 2026 and Idle Spirits on October 31, 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.*