# Simple Pilot Logbook vs Limpet

The clearest difference is in-app purchases: Limpet at none against Simple Pilot Logbook's 10. Limpet also leads on update cadence (every 10 days vs every 7 months) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Simple Pilot Logbook sells 10 in-app purchases, starting at $4.99 per year. Limpet asks for nothing beyond the download.

Simple Pilot Logbook ships an update every 7 months, Limpet every 10 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Simple Pilot Logbook | Limpet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/limpet/id6738070613/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 2 MB | 86 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Indie Foundry LLC](https://appshunter.io/developer/1757427111) | [Limpet International Co., Limited](https://appshunter.io/developer/1779195598) |

## What reviewers say

### Simple Pilot Logbook

[App page](https://appshunter.io/ios/app/simple-pilot-logbook/id1622993668)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Up to 50 hours of total time | $4.99 | per year |
| Up to 100 hours of total time | $9.99 | per year |
| Up to 300 hours of total time | $14.99 | per year |
| Up to 1000 hours of total time | $19.99 | per year |
| Up to 2000 hours of total time | $24.99 | per year |
| Up to 3500 hours of total time | $29.99 | per year |
| Up to 5000 hours of total time | $34.99 | per year |
| Up to 7000 hours of total time | $39.99 | per year |
| Up to 9000 hours of total time | $44.99 | per year |
| Unlimited hours of total time | $49.99 | per year |


### Limpet

[App page](https://appshunter.io/ios/app/limpet/id6738070613)

This app connects to smart pet devices, allowing remote feeding, cleaning, and monitoring of your pet. It offers features like scheduled feeding, two-way audio, and AI-powered activity tracking to ensure your pet is cared for even when you're away.

**Highlights:** Remote feeding schedules, One-tap remote food dispensing, Two-way audio communication, AI auto-follow video recording, Real-time activity monitoring, Temperature and anomaly alerts

**In-app purchases:** none


## Frequently asked questions

### Is Simple Pilot Logbook free?

Simple Pilot Logbook is free to download, with in-app purchases available.

### Is Limpet free?

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

### Do Simple Pilot Logbook or Limpet have ads?

Neither Simple Pilot Logbook nor Limpet shows ads.

### Which is updated more often, Simple Pilot Logbook or Limpet?

Simple Pilot Logbook ships an update every 7 months, and Limpet every 10 days. Most recently, Simple Pilot Logbook was updated on October 27, 2026 and Limpet 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.*