# SkillsProof vs PDD Study

SkillsProof and PDD Study are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SkillsProof sells 5 one-off in-app purchases and PDD Study sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

SkillsProof ships an update every 3 weeks, PDD Study every 2 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SkillsProof | PDD Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 13 MB | 66 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SKILLSPOOF TOO](https://appshunter.io/developer/1630885044) | [Almaz Alekeev](https://appshunter.io/developer/1844773385) |

## What reviewers say

### SkillsProof

[App page](https://appshunter.io/ios/app/skillsproof/id1630885042)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Курс "Смелость в сети" | $9.99 | one-time |
| ProВизаж: Теория + практически | $14.99 | one-time |
| ProВизаж: Теория + практика | $17.99 | one-time |
| Основы школьного питания | $99.99 | one-time |
| Основы дошкольного и школьного | $99.99 | one-time |


### PDD Study

[App page](https://appshunter.io/ios/app/pdd-study/id6753738135)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ПДД Pro | $5.99 | per month |
| ПДД Про | $9.99 | per 3 months |


## Frequently asked questions

### Is SkillsProof free?

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

### Is PDD Study free?

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

### Do SkillsProof or PDD Study have ads?

Neither SkillsProof nor PDD Study shows ads.

### Which is updated more often, SkillsProof or PDD Study?

SkillsProof ships an update every 3 weeks, and PDD Study every 2 weeks. Most recently, SkillsProof was updated on September 18, 2026 and PDD Study on September 9, 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.*