MOSS vs JustLogger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MOSS
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MOSSは、南魚沼市が提供する、利用者の予約に基づいてAIが最適なルートや配車を計算して運行する乗り合い型の交通サービスです。
JustLogger
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Simply record your GPS tracks. "JustLogger" is an ultra-lightweight GPS logger designed to run with minimal memory (RAM). We stripped away the extras and focused on one thing: recording. ■ Set It and Forget It Start recording, then forget about it. The accelerometer detects motion and automatically lowers GPS accuracy when you're stationary to save battery. It resumes full accuracy the moment you start moving again. Leave it running all day with minimal battery impact. ■ No-Record Zones for Privacy & Power Saving Set up to 20 zones where recording is automatically paused — like your home or workplace. When you enter a zone, tracking stops and battery drain drops even further. Your privacy and your battery, both protected. ■ Multi-Track Simultaneous Recording Record up to 5 tracks at once. Want to log an entire trip while separately tracking a hike or bike ride along the way? JustLogger handles it all in one app. ■ Flexible Date-Range Export Export your logs in GPX format — the whole track, or just a specific time range within it. Clip a section from a long log, or use multi-track to record separately. Enjoy maximum flexibility in recording and exporting. Easily connect with your favorite map apps and services. ■ Built on 15+ Years of GPS Expertise I'm the developer of "Geographica," a GPS app for hikers. JustLogger is built on over 15 years of experience working with location data, engineered to produce the cleanest possible tracks. ■ Real-Time Info on Your Lock Screen Supports Live Activities on iOS 16.1 and later. View elapsed time, distance, and elevation right on your lock screen. (Can be disabled in settings.) ■ No Network Required — Fully Offline All data is stored locally on your device (automatic backup to your Google Drive is also available in settings). No internet communication whatsoever. It keeps recording reliably — deep in the mountains, overseas, or completely off the grid. ■ 18 Languages Supported English, 日本語, العربية, Deutsch, Esperanto, Español, Filipino, Français, हिन्दी, Bahasa Indonesia, Italiano, 한국어, Português, ไทย, Українська, Tiếng Việt, 简体中文, 繁體中文 ■ Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: MOSS at none against JustLogger's 2. MOSS also leads on ads (none vs shown). JustLogger's advantage is update cadence (every 11 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. JustLogger sells 2 in-app purchases, starting at $3.99 per 3 months. MOSS asks for nothing beyond the download.
MOSS ships an update every 3 months, JustLogger every 11 days. The most recent releases landed on September 25, 2026 and October 15, 2026 respectively.
| Parameter | MOSS | JustLogger |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 11 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 134 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Via Transportation, Inc. | keiji matsumoto |
In-app purchases
MOSS
No in-app purchases
JustLogger
- Season Unlock$3.993 Months
- Unlock restrictions(Buy once)$19.99






