# Plain vs Chat Bolt AI

The clearest difference is review sentiment: Chat Bolt AI at 100% against Plain's 50%. Chat Bolt AI also leads on update cadence (every 5 days vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Plain sells 3 in-app purchases, starting at $4.99 per 7 days and Chat Bolt AI sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Plain ships an update every 4 months, Chat Bolt AI every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Plain | Chat Bolt AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/chat-bolt-ai-open-assistant/id6470649856/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 21 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOBIVERSITE YAZILIM BILISIM REKLAM VE DANISMANLIK HIZMETLERI SANAYI TICARET LIMITED STI](https://appshunter.io/developer/968440561) | [OV MEDIA](https://appshunter.io/developer/1634593107) |

## 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 |


### Chat Bolt AI

[App page](https://appshunter.io/ios/app/chat-bolt-ai-open-assistant/id6470649856)

This AI-powered assistant leverages advanced language models to help with writing, research, translation, and coding. It offers features like instant answers, grammar checking, and content generation for various professional and creative tasks.

**Highlights:** Instant AI answers, AI writing assistance, Content generation, Language translation, Grammar and spelling checker, Code generation and verification, Resume and CV builder

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| 3-Day Free Trial | $7.99 | per 7 days |
| 7-Day Full Access | $7.99 | per 7 days |
| Monthly | $9.99 | per month |
| 3-Day Free Trial | $14.99 | per 7 days |
| Monthly | $14.99 | per month |
| Monthly | $19.99 | per month |
| Yearly | $79.99 | per year |


## Frequently asked questions

### Is Plain free?

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

### Is Chat Bolt AI free?

Chat Bolt AI is free to download, with in-app purchases available.

### Do Plain or Chat Bolt AI have ads?

Neither Plain nor Chat Bolt AI shows ads.

### Which is updated more often, Plain or Chat Bolt AI?

Plain ships an update every 4 months, and Chat Bolt AI every 5 days. Most recently, Plain was updated on November 3, 2026 and Chat Bolt AI on November 3, 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.*