# 基準点ナビ vs FieldSketch

The clearest difference is in-app purchases: 基準点ナビ at none against FieldSketch's 3. FieldSketch's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FieldSketch sells 3 in-app purchases, starting at $24.99 per month. 基準点ナビ asks for nothing beyond the download.

基準点ナビ ships an update every 2 months, FieldSketch fortnightly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 基準点ナビ | FieldSketch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 2 MB | 12 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Jotani](https://appshunter.io/developer/6789161223) | [ryota kido](https://appshunter.io/developer/1877967220) |

## What reviewers say

### 基準点ナビ

[App page](https://appshunter.io/ios/app/id6789161221)

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

**In-app purchases:** none


### FieldSketch

[App page](https://appshunter.io/ios/app/fieldsketch-camera-siteplans/id6789567365)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| com.ryota.FieldSketch.monthly | $24.99 | per month |
| com.ryota.FieldSketch.prooffer | $279.99 | one-time |
| com.ryota.FieldSketch.pro | $349.99 | one-time |


## Frequently asked questions

### Is 基準点ナビ free?

基準点ナビ is free to download, with no in-app purchases.

### Is FieldSketch free?

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

### Do 基準点ナビ or FieldSketch have ads?

Neither 基準点ナビ nor FieldSketch shows ads.

### Which is updated more often, 基準点ナビ or FieldSketch?

基準点ナビ ships an update every 2 months, and FieldSketch fortnightly. Most recently, 基準点ナビ was updated on October 31, 2026 and FieldSketch on November 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.*