# タップ診断 vs Synapse

The clearest difference is in-app purchases: タップ診断 at none against Synapse's 3. Synapse's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Synapse sells 3 one-off in-app purchases. タップ診断 asks for nothing beyond the download.

## The numbers

| Metric | タップ診断 | Synapse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/synapse-device-check/id6781245296/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社MK.musica](https://appshunter.io/developer/1879740901) | [Nexus Link LLC](https://appshunter.io/developer/1521266947) |

## What reviewers say

### タップ診断

[App page](https://appshunter.io/ios/app/id6760774352)

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

**In-app purchases:** none


### Synapse

[App page](https://appshunter.io/ios/app/synapse-device-check/id6781245296)

Assess the hardware functionality of a device before buying or selling. It performs comprehensive on-device checks for cameras, sensors, connectivity, and more, generating a shareable certificate of its condition. This ensures transparency and confidence in transactions.

**Highlights:** On-device hardware testing, Comprehensive sensor checks, Shareable pass/fail certificate, No account or data sharing, Quick free check available, Full diagnostic for purchase

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Diagnostic | $2.99 | one-time |
| 3 Checks — Best Value | $4.99 | one-time |
| 10 Checks — Pro Pack | $9.99 | one-time |


## Frequently asked questions

### Is タップ診断 free?

タップ診断 is free to download, with no in-app purchases.

### Is Synapse free?

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

### Do タップ診断 or Synapse have ads?

タップ診断 shows ads; Synapse does not.

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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.*