# Letter Setter vs NatureSpy

The clearest difference is review sentiment: Letter Setter at 100% against NatureSpy's 25%. Letter Setter also leads on iOS requirement (13.0 vs 17.0). NatureSpy's advantage is update cadence (every 2 days vs every 34 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Letter Setter ships an update every 34 months, NatureSpy every 2 days. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Letter Setter | NatureSpy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 68 MB | 49 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mark Mainwood](https://appshunter.io/developer/769006329) | [NatureSpy](https://appshunter.io/developer/1682232932) |

## What reviewers say

### Letter Setter

[App page](https://appshunter.io/ios/app/letter-setter/id1465817094)

This utility helps crossword and anagram enthusiasts by providing a space to arrange letters and word structures. Users can lock known letters, create placeholders, and shuffle tiles to aid in solving puzzles.

**Highlights:** Arrange and move letter tiles, Lock known letters in place, Create and update placeholder tiles, Shuffle letter tiles for inspiration, Create multiple working pages, Add or remove word breaks

**Features:** macOS Compatibility

**In-app purchases:** none


### NatureSpy

[App page](https://appshunter.io/ios/app/naturespy/id6447686628)

Easily connect your wildlife cameras to stream live footage of your garden. Receive real-time motion detection alerts and record videos to share with loved ones.

**Highlights:** Connect WildCam and BirdCam, Live wildlife streaming, Motion detection recording, Real-time alerts, Record and share videos, Share camera access

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

**In-app purchases:** none


## Frequently asked questions

### Is Letter Setter free?

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

### Is NatureSpy free?

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

### Do Letter Setter or NatureSpy have ads?

Neither Letter Setter nor NatureSpy shows ads.

### Which is updated more often, Letter Setter or NatureSpy?

Letter Setter ships an update every 34 months, and NatureSpy every 2 days. Most recently, Letter Setter was updated on October 4, 2026 and NatureSpy on October 2, 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.*