# LoggerLink vs single line diary

The clearest difference is ads: LoggerLink at none against single line diary's shown. LoggerLink also leads on review sentiment (67% vs 45%) and monetization model (free vs ad-supported). single line diary's advantage is iOS requirement (6.0 vs 12.0). On price, update cadence, 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.

LoggerLink ships an update every 4 months, single line diary every 6 months. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | LoggerLink | single line diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/loggerlink/id532185656/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **66.7% of reviews** | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Ad-supported |
| Size | 78 MB | 4 MB |
| Requires iOS | 12.0 | **6.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Campbell Scientific](https://appshunter.io/developer/532185659) | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) |

## What reviewers say

### LoggerLink

[App page](https://appshunter.io/ios/app/loggerlink/id532185656)

This utility app enables direct communication between iOS devices and specific IP-enabled dataloggers. It facilitates field maintenance tasks like viewing and collecting data, managing files, and checking datalogger status.

**Highlights:** View real-time data, Graph historical data, Collect data, Set variables and toggle ports, Check datalogger status, Send programs and set clock, Manage files

**In-app purchases:** none


### single line diary

[App page](https://appshunter.io/ios/app/single-line-diary/id564585722)

A simple daily journal app that allows you to record entries from 62 days in the past up to tomorrow. It features a checkbox for each day and lets you customize the start of your week to Sunday or Monday.

**Highlights:** Daily single line entries, Checkbox for each day, Customizable week start (Sunday/Monday), Date range: 62 days prior to tomorrow

**In-app purchases:** none


## Frequently asked questions

### Is LoggerLink free?

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

### Is single line diary free?

single line diary is free to download, with no in-app purchases.

### Do LoggerLink or single line diary have ads?

single line diary shows ads; LoggerLink does not.

### Which is updated more often, LoggerLink or single line diary?

LoggerLink ships an update every 4 months, and single line diary every 6 months. Most recently, LoggerLink was updated on September 14, 2026 and single line diary on September 25, 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.*