# Plain vs PCMO Specialist

The clearest difference is in-app purchases: PCMO Specialist at none against Plain's 3. PCMO Specialist also leads on update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Plain sells 3 in-app purchases, starting at $4.99 per 7 days. PCMO Specialist asks for nothing beyond the download.

Plain ships an update every 4 months, PCMO Specialist monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Plain | PCMO Specialist |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 38 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [MOBIVERSITE YAZILIM BILISIM REKLAM VE DANISMANLIK HIZMETLERI SANAYI TICARET LIMITED STI](https://appshunter.io/developer/968440561) | [ABACUS DESK IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1460244190) |

## What reviewers say

### Plain

[App page](https://appshunter.io/ios/app/plain-ai-keyboard/id6467874401)

This advanced AI-powered keyboard acts as your personal text assistant, offering features like grammar correction, translation, and tone adjustment. It helps you write, communicate, and generate text more effectively across all your applications.

**Highlights:** Grammar and spell check, Seamless translation, AI-powered answers, Tone adjustment, Text paraphrasing, Response generation, Text continuation, Synonym finder

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week PRO | $4.99 | per 7 days |
| 1 Month PRO | $9.99 | per month |
| 1 Year PRO | $39.99 | per year |


### PCMO Specialist

[App page](https://appshunter.io/ios/app/pcmo-specialist/id6502941963)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Plain free?

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

### Is PCMO Specialist free?

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

### Do Plain or PCMO Specialist have ads?

Neither Plain nor PCMO Specialist shows ads.

### Which is updated more often, Plain or PCMO Specialist?

Plain ships an update every 4 months, and PCMO Specialist monthly. Most recently, Plain was updated on October 30, 2026 and PCMO Specialist 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.*