# DIAMOND ハーバード・ビジネス・レビュー vs Speeda

The clearest difference is in-app purchases: Speeda at none against DIAMOND ハーバード・ビジネス・レビュー's 4. Speeda also leads on update cadence (every 5 days vs every 25 months). DIAMOND ハーバード・ビジネス・レビュー's advantage is iOS requirement (6.1 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. DIAMOND ハーバード・ビジネス・レビュー sells 4 in-app purchases, starting at $16.99 per month. Speeda asks for nothing beyond the download.

DIAMOND ハーバード・ビジネス・レビュー ships an update every 25 months, Speeda every 5 days. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | DIAMOND ハーバード・ビジネス・レビュー | Speeda |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 5 days** |
| Size | 23 MB | 109 MB |
| Requires iOS | **6.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DIAMOND, Inc.](https://appshunter.io/developer/368890276) | [UZABASE, Inc.](https://appshunter.io/developer/640956500) |

## What reviewers say

### DIAMOND ハーバード・ビジネス・レビュー

[App page](https://appshunter.io/ios/app/diamond/id977539542)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DIAMOND ハーバード・ビジネス・レビュー | $16.99 | per month |
| DIAMOND ハーバード・ビジネス・レビュー | $47.99 | per 3 months |
| DIAMOND ハーバード・ビジネス・レビュー | $89.99 | per 6 months |
| DIAMOND ハーバード・ビジネス・レビュー | $194.99 | per year |


### Speeda

[App page](https://appshunter.io/ios/app/speeda/id1438199230)

**In-app purchases:** none


## Frequently asked questions

### Is DIAMOND ハーバード・ビジネス・レビュー free?

DIAMOND ハーバード・ビジネス・レビュー is free to download, with in-app purchases available.

### Is Speeda free?

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

### Do DIAMOND ハーバード・ビジネス・レビュー or Speeda have ads?

Neither DIAMOND ハーバード・ビジネス・レビュー nor Speeda shows ads.

### Which is updated more often, DIAMOND ハーバード・ビジネス・レビュー or Speeda?

DIAMOND ハーバード・ビジネス・レビュー ships an update every 25 months, and Speeda every 5 days. Most recently, DIAMOND ハーバード・ビジネス・レビュー was updated on October 7, 2026 and Speeda on September 27, 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.*