# PSM I vs Sensi Dictionary

The clearest difference is ads: PSM I at none against Sensi Dictionary's shown. Sensi Dictionary's advantage is update cadence (every 4 days vs every 6 weeks) and iOS requirement (15.1 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PSM I sells 2 one-off in-app purchases and Sensi Dictionary sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PSM I ships an update every 6 weeks, Sensi Dictionary every 4 days. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PSM I | Sensi Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 62 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Skoblik](https://appshunter.io/developer/950788892) | [NGUYEN TAI](https://appshunter.io/developer/6772976777) |

## What reviewers say

### PSM I

[App page](https://appshunter.io/ios/app/psm-i/id1566830360)

Prepare for your Professional Scrum Master 1 (PSM 1) certification with a comprehensive study tool. It offers realistic exam practice with randomized questions, a large question bank, and the official Scrum Guide. Achieve certification success efficiently and affordably.

**Highlights:** Randomized practice tests, Extensive question bank, Integrated Scrum Guide, Affordable pricing options, Focus on exam results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Time Access | $0.99 | one-time |
| Unlock PRO Mode | $3.99 | one-time |


### Sensi Dictionary

[App page](https://appshunter.io/ios/app/sensi-dictionary/id6772976775)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sensi VIP Monthly | $0.99 | per month |
| Sensi VIP Yearly | $7.99 | per year |
| Sensi VIP Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is PSM I free?

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

### Is Sensi Dictionary free?

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

### Do PSM I or Sensi Dictionary have ads?

Sensi Dictionary shows ads; PSM I does not.

### Which is updated more often, PSM I or Sensi Dictionary?

PSM I ships an update every 6 weeks, and Sensi Dictionary every 4 days. Most recently, PSM I was updated on October 20, 2026 and Sensi Dictionary on October 19, 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.*