# Detention Source vs ForestLogger

The clearest difference is update cadence: ForestLogger at fortnightly against Detention Source's every 3 months. Detention Source's advantage is iOS requirement (13.0 vs 16.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Detention Source ships an update every 3 months, ForestLogger fortnightly. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Detention Source | ForestLogger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/detention-source/id6444958697/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 37 MB | 38 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Detention Source, LLC](https://appshunter.io/developer/1658088660) | [Forest2Market, Inc](https://appshunter.io/developer/1753723074) |

## What reviewers say

### Detention Source

[App page](https://appshunter.io/ios/app/detention-source/id6444958697)

This app automates detention invoicing for logistics professionals. It uses geofencing to track driver arrival and departure times, automatically generating detention requests and invoices based on custom policies. Users can approve or decline requests instantly, and approved requests generate compensation vouchers.

**Highlights:** Automated detention invoicing, Geofence-based arrival/departure detection, Customizable detention policies, Instant approval/decline of requests, Auto-generated compensation vouchers, Notifications for detention entry

**Features:** macOS Compatibility

**In-app purchases:** none


### ForestLogger

[App page](https://appshunter.io/ios/app/forestlogger/id6504764464)

**In-app purchases:** none


## Frequently asked questions

### Is Detention Source free?

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

### Is ForestLogger free?

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

### Do Detention Source or ForestLogger have ads?

Neither Detention Source nor ForestLogger shows ads.

### Which is updated more often, Detention Source or ForestLogger?

Detention Source ships an update every 3 months, and ForestLogger fortnightly. Most recently, Detention Source was updated on September 15, 2026 and ForestLogger on September 10, 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.*