# Spectral Shift vs Paeki

The clearest difference is in-app purchases: Spectral Shift at none against Paeki's 1. Spectral Shift also leads on device support (3 vs 1) and iOS requirement (12.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Paeki sells 1 one-off in-app purchase. Spectral Shift asks for nothing beyond the download.

Spectral Shift ships an update every 3 days, Paeki every 4 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spectral Shift | Paeki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/paeki/id6759767106/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 115 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL TVRDY](https://appshunter.io/developer/1675124258) | [Steven Knauss](https://appshunter.io/developer/1877190883) |

## What reviewers say

### Spectral Shift

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Paeki

[App page](https://appshunter.io/ios/app/paeki/id6759767106)

Uncover a daily hidden image by revealing frosted tiles. Guess the picture using fewer tiles for a higher score. Offers hints, competitive leaderboards, and a premium upgrade for unlimited play and stats.

**Highlights:** Daily hidden picture puzzles, Tile revealing mechanic, Scoring based on tiles revealed, Hints and clues, Game Center leaderboards, Achievements, Puzzle Archive (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paeki Pro | $2.99 | one-time |


## Frequently asked questions

### Is Spectral Shift free?

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

### Is Paeki free?

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

### Do Spectral Shift or Paeki have ads?

Neither Spectral Shift nor Paeki shows ads.

### Which is updated more often, Spectral Shift or Paeki?

Spectral Shift ships an update every 3 days, and Paeki every 4 days. Most recently, Spectral Shift was updated on October 12, 2026 and Paeki on October 24, 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.*