# Pest Repel vs libretto42

The clearest difference is in-app purchases: libretto42 at none against Pest Repel's 1. libretto42 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). Pest Repel's advantage is iOS requirement (12.4 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Pest Repel sells 1 one-off in-app purchase. libretto42 asks for nothing beyond the download.

Pest Repel ships an update every 5 months, libretto42 every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pest Repel | libretto42 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (6 ratings)](https://appshunter.io/ios/app/pest-repel-bug-repellent-app/id532628584/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 13.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 23 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDevver Apps Limited](https://appshunter.io/developer/453983205) | [Lemon42 IT, Web und Software GmbH](https://appshunter.io/developer/794941037) |

## What reviewers say

### Pest Repel

[App page](https://appshunter.io/ios/app/pest-repel-bug-repellent-app/id532628584)

This app emits ultra-high frequency sounds designed to deter mosquitoes, wasps, and spiders. It also offers educational facts about these insects and includes a range booster function as an in-app purchase.

**Highlights:** Ultra-high frequency sound emission, Deters mosquitoes, wasps, and spiders, Educational insect facts, Range Booster function (in-app purchase), Works on iPhone and iPad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PestRepeller - Upgrade | $1.99 | one-time |


### libretto42

[App page](https://appshunter.io/ios/app/libretto42/id6755678688)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pest Repel free?

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

### Is libretto42 free?

libretto42 is free to download, with no in-app purchases.

### Do Pest Repel or libretto42 have ads?

Pest Repel shows ads; libretto42 does not.

### Which is updated more often, Pest Repel or libretto42?

Pest Repel ships an update every 5 months, and libretto42 every 3 weeks. Most recently, Pest Repel was updated on November 6, 2026 and libretto42 on October 30, 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.*