# SkillCert vs PenDrop

The clearest difference is in-app purchases: PenDrop at none against SkillCert's 3. PenDrop also leads on ads (none vs shown). SkillCert's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SkillCert sells 3 in-app purchases, starting at $2.99 per month. PenDrop asks for nothing beyond the download.

SkillCert ships an update every 4 days, PenDrop every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | SkillCert | PenDrop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 155 MB | 46 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Yotaro SATO](https://appshunter.io/developer/1862063948) | [AKIO FURUTSUKA](https://appshunter.io/developer/1869216839) |

## What reviewers say

### SkillCert

[App page](https://appshunter.io/ios/app/skillcert-mostcertifications/id6756679793)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SKILL Cert by AI ライトプラン | $2.99 | per month |
| SKILL Cert by AI スタンダードプラン | $9.99 | per month |
| SKILL Cert by AI プレミアムプラン | $29.99 | per month |


### PenDrop

[App page](https://appshunter.io/ios/app/pendrop/id6757839057)

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

**In-app purchases:** none


## Frequently asked questions

### Is SkillCert free?

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

### Is PenDrop free?

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

### Do SkillCert or PenDrop have ads?

SkillCert shows ads; PenDrop does not.

### Which is updated more often, SkillCert or PenDrop?

SkillCert ships an update every 4 days, and PenDrop every 5 days. Most recently, SkillCert was updated on October 25, 2026 and PenDrop on October 25, 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.*