# IDFA確認 vs Simple Sequence Diagram AI

The clearest difference is in-app purchases: IDFA確認 at none against Simple Sequence Diagram AI's 2. Simple Sequence Diagram AI's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Sequence Diagram AI sells 2 in-app purchases, starting at $4.99 per month. IDFA確認 asks for nothing beyond the download.

IDFA確認 ships an update fortnightly, Simple Sequence Diagram AI every 2 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | IDFA確認 | Simple Sequence Diagram AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 22 MB | 68 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Kajiki](https://appshunter.io/developer/1740302633) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## What reviewers say

### IDFA確認

[App page](https://appshunter.io/ios/app/idfa/id6502272945)

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

**In-app purchases:** none


### Simple Sequence Diagram AI

[App page](https://appshunter.io/ios/app/simple-sequence-diagram-ai/id6711357061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Sequence Flow Pro (Monthly) | $4.99 | per month |
| Simple Sequence Flow Pro (Annual) | $44.99 | per year |


## Frequently asked questions

### Is IDFA確認 free?

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

### Is Simple Sequence Diagram AI free?

Simple Sequence Diagram AI is free to download, with in-app purchases available.

### Do IDFA確認 or Simple Sequence Diagram AI have ads?

IDFA確認 shows ads; Simple Sequence Diagram AI does not.

### Which is updated more often, IDFA確認 or Simple Sequence Diagram AI?

IDFA確認 ships an update fortnightly, and Simple Sequence Diagram AI every 2 weeks. Most recently, IDFA確認 was updated on September 21, 2026 and Simple Sequence Diagram AI on September 9, 2026.

---

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