# Atmosic DevTools vs SludgeAI

The clearest difference is in-app purchases: Atmosic DevTools at none against SludgeAI's 4. Atmosic DevTools also leads on device support (3 vs 1) and iOS requirement (14.5 vs 16.6). SludgeAI's advantage is update cadence (every 9 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. SludgeAI sells 4 in-app purchases, starting at $29.00 per month. Atmosic DevTools asks for nothing beyond the download.

Atmosic DevTools ships an update every 2 months, SludgeAI every 9 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Atmosic DevTools | SludgeAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 7 MB | 6 MB |
| Requires iOS | **14.5** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Atmosic Technologies, Inc.](https://appshunter.io/developer/1513210735) | [FANSPY LLC](https://appshunter.io/developer/1789260559) |

## What reviewers say

### Atmosic DevTools

[App page](https://appshunter.io/ios/app/atmosic-devtools/id1592941402)

**Features:** macOS Compatibility

**In-app purchases:** none


### SludgeAI

[App page](https://appshunter.io/ios/app/sludgeai/id6753836773)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sludge AI Basic Monthly | $29.00 | per month |
| Sludge AI Pro Monthly | $49.00 | per month |
| Sludge AI Basic Annual | $239.99 | per year |
| Sludge AI Pro Annual | $409.00 | per year |


## Frequently asked questions

### Is Atmosic DevTools free?

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

### Is SludgeAI free?

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

### Do Atmosic DevTools or SludgeAI have ads?

Neither Atmosic DevTools nor SludgeAI shows ads.

### Which is updated more often, Atmosic DevTools or SludgeAI?

Atmosic DevTools ships an update every 2 months, and SludgeAI every 9 days. Most recently, Atmosic DevTools was updated on October 4, 2026 and SludgeAI on October 7, 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.*
