# BAIAS vs FieldSketch

The clearest difference is in-app purchases: BAIAS at none against FieldSketch's 3. FieldSketch's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

BAIAS ships an update fortnightly, FieldSketch weekly. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | BAIAS | FieldSketch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 22 MB | 12 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [ECOMOTT,INC](https://appshunter.io/developer/1071015231) | [ryota kido](https://appshunter.io/developer/1877967220) |

## What reviewers say

### BAIAS

[App page](https://appshunter.io/ios/app/baias/id1636601901)

**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 BAIAS free?

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

### Is FieldSketch free?

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

### Do BAIAS or FieldSketch have ads?

Neither BAIAS nor FieldSketch shows ads.

### Which is updated more often, BAIAS or FieldSketch?

BAIAS ships an update fortnightly, and FieldSketch weekly. Most recently, BAIAS was updated on October 19, 2026 and FieldSketch on October 4, 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.*