# Observation Note vs TOPOS / トポス クライミングトポアプリ

The clearest difference is review sentiment: Observation Note at 67% against TOPOS / トポス クライミングトポアプリ's 0%. Observation Note also leads on iOS requirement (8.0 vs 13.0). TOPOS / トポス クライミングトポアプリ's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Observation Note ships an update every 4 months, TOPOS / トポス クライミングトポアプリ every 3 weeks. The most recent releases landed on September 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Observation Note | TOPOS / トポス クライミングトポアプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 67 MB | 76 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TOOFECTARTS LLC.](https://appshunter.io/developer/408243563) | [Sunborn Inc.](https://appshunter.io/developer/1639833031) |

## What reviewers say

### Observation Note

[App page](https://appshunter.io/ios/app/observation-note/id735058802)

This app helps users observe and record bouldering sessions. It provides a platform to log climbs, track progress, and analyze performance. Ideal for climbers looking to enhance their training.

**Highlights:** Bouldering observation logging, Climb tracking, Performance analysis, Progress monitoring, Training enhancement

**Features:** macOS Compatibility

**In-app purchases:** none


### TOPOS / トポス クライミングトポアプリ

[App page](https://appshunter.io/ios/app/topos/id6450687873)

Discover climbing routes across Japan, log your ascents, and share your progress with a community of climbers. Find new crags via map or keyword search, and access the latest information for each location.

**Highlights:** Discover climbing routes nationwide, Log and track ascents, Share climbing records with friends, Search routes by map or keyword, Access latest crag information, Community features for climbers

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

**In-app purchases:** none


## Frequently asked questions

### Is Observation Note free?

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

### Is TOPOS / トポス クライミングトポアプリ free?

TOPOS / トポス クライミングトポアプリ is free to download, with no in-app purchases.

### Do Observation Note or TOPOS / トポス クライミングトポアプリ have ads?

Neither Observation Note nor TOPOS / トポス クライミングトポアプリ shows ads.

### Which is updated more often, Observation Note or TOPOS / トポス クライミングトポアプリ?

Observation Note ships an update every 4 months, and TOPOS / トポス クライミングトポアプリ every 3 weeks. Most recently, Observation Note was updated on September 24, 2026 and TOPOS / トポス クライミングトポアプリ 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.*