# SilentLog vs MapViewer

The clearest difference is in-app purchases: MapViewer at none against SilentLog's 3. SilentLog's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.2). On price, update cadence and ads there is nothing between them.

Both are free to download. SilentLog sells 3 one-off in-app purchases. MapViewer asks for nothing beyond the download.

SilentLog ships an update every 5 weeks, MapViewer every 6 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SilentLog | MapViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (37 ratings)](https://appshunter.io/ios/app/silentlog/id901679160/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 40.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 1 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rei-Frontier Inc.](https://appshunter.io/developer/341747801) | [yoot](https://appshunter.io/developer/425128542) |

## What reviewers say

### SilentLog

[App page](https://appshunter.io/ios/app/silentlog/id901679160)

Automatically log your daily movements and add photos to create a visual diary of your life. Track steps, distance, and routes, and revisit memories like a photo album. Perfect for personal journaling, travel logs, or tracking family milestones.

**Highlights:** Automatic step and distance tracking, Add photos to log entries, Create a visual diary of memories, Pedometer functionality, Route and time measurement, Apple Watch support, 3D Touch integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30days | $2.99 | one-time |
| 90days | $4.99 | one-time |
| 1 year | $22.99 | one-time |


### MapViewer

[App page](https://appshunter.io/ios/app/mapviewer/id6749666924)

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

**In-app purchases:** none


## Frequently asked questions

### Is SilentLog free?

SilentLog is free to download, with in-app purchases available.

### Is MapViewer free?

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

### Do SilentLog or MapViewer have ads?

Neither SilentLog nor MapViewer shows ads.

### Which is updated more often, SilentLog or MapViewer?

SilentLog ships an update every 5 weeks, and MapViewer every 6 weeks. Most recently, SilentLog was updated on October 19, 2026 and MapViewer on October 14, 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.*