# Offline Spotter for POTA/SOTA vs The Tool Library

The clearest difference is price: The Tool Library at Free against Offline Spotter for POTA/SOTA's $0.99. The Tool Library also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Offline Spotter for POTA/SOTA's advantage is chart position (#192 vs unranked). On update cadence, ads and in-app purchases there is nothing between them.

The Tool Library is free to download; Offline Spotter for POTA/SOTA costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Offline Spotter for POTA/SOTA ships an update weekly, The Tool Library every 11 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Offline Spotter for POTA/SOTA | The Tool Library |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.9 (13 ratings)](https://appshunter.io/ios/app/offline-spotter-for-potasota/id6740120163/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Paid | — |
| Best chart rank | **#192** | — |
| Size | 34 MB | 32 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kristopher Linquist](https://appshunter.io/developer/921302972) | [Cesar Contreras](https://appshunter.io/developer/1896774512) |

## What reviewers say

### Offline Spotter for POTA/SOTA

[App page](https://appshunter.io/ios/app/offline-spotter-for-potasota/id6740120163)

**Currently charting:** #192 Top Paid · Lifestyle (US App Store)

This app helps Parks on the Air and Summits on the Air enthusiasts send spotting messages even without cell service. It utilizes iPhone's SMS over Satellite feature to communicate with the APSPOT spotting service, allowing users to log their callsign, frequency, and mode from remote locations.

**Highlights:** Send spotting messages without cell coverage, Leverages SMS over Satellite, Locate nearby parks or summits, Enter callsign, frequency, and mode, Supports APSPOT spotting service

**In-app purchases:** none


### The Tool Library

[App page](https://appshunter.io/ios/app/the-tool-library/id6771199302)

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

**In-app purchases:** none


## Frequently asked questions

### Is Offline Spotter for POTA/SOTA free?

Offline Spotter for POTA/SOTA costs $0.99, with no in-app purchases.

### Is The Tool Library free?

The Tool Library is free to download, with no in-app purchases.

### Do Offline Spotter for POTA/SOTA or The Tool Library have ads?

Neither Offline Spotter for POTA/SOTA nor The Tool Library shows ads.

### Which is updated more often, Offline Spotter for POTA/SOTA or The Tool Library?

Offline Spotter for POTA/SOTA ships an update weekly, and The Tool Library every 11 days. Most recently, Offline Spotter for POTA/SOTA was updated on November 8, 2026 and The Tool Library on November 5, 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.*