# Calendar Wallpaper vs OneAi BD

The clearest difference is review sentiment: OneAi BD at 100% against Calendar Wallpaper's 0%. OneAi BD also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). Calendar Wallpaper's advantage is in-app purchases (none vs 3) and rating (4.7 vs 4.3). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. OneAi BD sells 3 in-app purchases, starting at $0.99 per month. Calendar Wallpaper asks for nothing beyond the download.

Calendar Wallpaper holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews complicate that: 0% of Calendar Wallpaper's written reviews are positive against 100% of OneAi BD's, so the app with the better star average is not the one people write more warmly about.

Calendar Wallpaper ships an update every 9 days, OneAi BD every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calendar Wallpaper | OneAi BD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/calendar-wallpaper/id6752918157/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/oneai-bd/id6777665151/reviews) |
| Number of ratings | **15** | 6 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 15 MB | 12 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [喜兰 梁](https://appshunter.io/developer/1785246113) | [MAVERICK ENTERPRISE LIMITED](https://appshunter.io/developer/1753559103) |

## What reviewers say

### Calendar Wallpaper

[App page](https://appshunter.io/ios/app/calendar-wallpaper/id6752918157)

Easily create custom calendar wallpapers for your lock screen. Personalize fonts, colors, and choose any month to display. Save your creation and view the date without unlocking your device.

**Highlights:** Create calendar wallpapers, Use gallery or own pictures, Customize fonts and colors, Select any month, Save to phone, Set as lock screen

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

**In-app purchases:** none


### OneAi BD

[App page](https://appshunter.io/ios/app/oneai-bd/id6777665151)

This platform consolidates leading AI models and creative tools into a single, user-friendly application. It offers capabilities for text generation, image and video creation, coding assistance, and document production, streamlining various tasks for enhanced productivity.

**Highlights:** Chat with leading AI models, Generate AI images and videos, AI-powered document and presentation creation, AI coding assistance, Build AI agents, Auto-selects AI models

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite | $0.99 | per month |
| Plus | $2.99 | per month |
| Pro | $7.99 | per month |


## Frequently asked questions

### Is Calendar Wallpaper free?

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

### Is OneAi BD free?

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

### Which has better reviews, Calendar Wallpaper or OneAi BD?

Calendar Wallpaper is rated higher. Calendar Wallpaper averages 4.7 out of 5 from 15 ratings, while OneAi BD averages 4.3 from 6 ratings.

### Do Calendar Wallpaper or OneAi BD have ads?

Neither Calendar Wallpaper nor OneAi BD shows ads.

### Which is updated more often, Calendar Wallpaper or OneAi BD?

Calendar Wallpaper ships an update every 9 days, and OneAi BD every 5 days. Most recently, Calendar Wallpaper was updated on October 30, 2026 and OneAi BD on October 31, 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.*