# Spectral Shift vs Aether Pulse

The clearest difference is update cadence: Spectral Shift at every 3 days against Aether Pulse's every 3 weeks. Spectral Shift also leads on iOS requirement (12.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spectral Shift ships an update every 3 days, Aether Pulse every 3 weeks. The most recent releases landed on May 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Spectral Shift | Aether Pulse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 63 MB | 8 MB |
| Requires iOS | **12.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL TVRDY](https://appshunter.io/developer/1675124258) | [梦燕 廖](https://appshunter.io/developer/1874415601) |

## What reviewers say

### Spectral Shift

[App page](https://appshunter.io/ios/app/spectral-shift/id6757589931)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aether Pulse

[App page](https://appshunter.io/ios/app/aether-pulse-spectral-sync/id6759028137)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spectral Shift free?

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

### Is Aether Pulse free?

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

### Do Spectral Shift or Aether Pulse have ads?

Neither Spectral Shift nor Aether Pulse shows ads.

### Which is updated more often, Spectral Shift or Aether Pulse?

Spectral Shift ships an update every 3 days, and Aether Pulse every 3 weeks. Most recently, Spectral Shift was updated on May 19, 2026 and Aether Pulse on September 9, 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.*