# Smart Split vs Ichijo Owner's Notebook

The clearest difference is in-app purchases: Smart Split at none against Ichijo Owner's Notebook's 1. Smart Split also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Ichijo Owner's Notebook sells 1 one-off in-app purchase. Smart Split asks for nothing beyond the download.

Smart Split ships an update every 5 days, Ichijo Owner's Notebook every 6 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Smart Split | Ichijo Owner's Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | — | Free |
| Size | 26 MB | 120 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taiga Matsumoto](https://appshunter.io/developer/1578277840) | [Smartolio](https://appshunter.io/developer/1890798107) |

## What reviewers say

### Smart Split

[App page](https://appshunter.io/ios/app/smart-split/id1618595829)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ichijo Owner's Notebook

[App page](https://appshunter.io/ios/app/ichijo-owners-notebook/id6761674540)

Manage and compare home construction documents like drawings, estimates, and specifications. This unofficial app helps homeowners track revisions and cost changes, with all data stored locally on your device. It also visualizes solar generation savings and tracks home-building milestones.

**Highlights:** Centralized document management, Version comparison for drawings and estimates, Automatic parsing of estimate cost differences, Specification change detection, Quick note-taking and export, Solar generation savings visualization, Home-building milestone tracker

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Smart Split free?

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

### Is Ichijo Owner's Notebook free?

Ichijo Owner's Notebook is free to download, with in-app purchases available.

### Do Smart Split or Ichijo Owner's Notebook have ads?

Ichijo Owner's Notebook shows ads; Smart Split does not.

### Which is updated more often, Smart Split or Ichijo Owner's Notebook?

Smart Split ships an update every 5 days, and Ichijo Owner's Notebook every 6 days. Most recently, Smart Split was updated on October 9, 2026 and Ichijo Owner's Notebook on October 7, 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.*