# Business Improvement Guide vs C45H

The clearest difference is iOS requirement: Business Improvement Guide at 17.6 against C45H's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Business Improvement Guide sells 1 one-off in-app purchase and C45H sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Business Improvement Guide ships an update fortnightly, C45H every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Business Improvement Guide | C45H |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 23 MB | 24 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Noriaki Togashi](https://appshunter.io/developer/1800084826) | [Yoshinori Kobayashi](https://appshunter.io/developer/1828823227) |

## What reviewers say

### Business Improvement Guide

[App page](https://appshunter.io/ios/app/business-improvement-guide/id6761293691)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium : One-Time Purchase Plan | $4.99 | one-time |


### C45H

[App page](https://appshunter.io/ios/app/c45h-scope/id6770942389)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per month |
| Premium+ | $29.99 | per month |


## Frequently asked questions

### Is Business Improvement Guide free?

Business Improvement Guide is free to download, with in-app purchases available.

### Is C45H free?

C45H is free to download, with in-app purchases available.

### Do Business Improvement Guide or C45H have ads?

Neither Business Improvement Guide nor C45H shows ads.

### Which is updated more often, Business Improvement Guide or C45H?

Business Improvement Guide ships an update fortnightly, and C45H every 2 weeks. Most recently, Business Improvement Guide was updated on November 9, 2026 and C45H on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*