# Instant Website Builder vs Calendo

The clearest difference is update cadence: Calendo at every 3 days against Instant Website Builder's every 6 weeks. Instant Website Builder's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Instant Website Builder sells 10 in-app purchases, starting at $12.99 per month and Calendo sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Instant Website Builder ships an update every 6 weeks, Calendo every 3 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Instant Website Builder | Calendo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/instant-website-builder/id1402935948/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 83 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INSTAWEB LABS PRIVATE LIMITED](https://appshunter.io/developer/1402935947) | [Mikko Salovuori](https://appshunter.io/developer/6817646427) |

## What reviewers say

### Instant Website Builder

[App page](https://appshunter.io/ios/app/instant-website-builder/id1402935948)

Easily build and manage a professional website, blog, or online store directly from your smartphone. No technical skills are required to create, update, and optimize your site for local Google searches, driving more business inquiries and sales.

**Highlights:** Website, blog, and e-commerce store creation, No technical skills or coding needed, Mobile and desktop management, Local SEO optimization for Google searches, Business inquiry alerts via notifications, email, SMS, Product and service uploading for online sales, Free .com.free domain and hosting

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instaweb Pro Monthly | $12.99 | per month |
| Monthly Subscription Plan | $29.99 | per month |
| Yearly Subscription Plan | $89.99 | per year |
| Yearly Subscription Plan | $359.99 | per year |
| 100 Token Instaweb | $5.99 | one-time |
| Domain Instaweb | $9.99 | one-time |
| 250 Token Instaweb | $11.49 | one-time |
| 500 Token Instaweb | $20.49 | one-time |
| Buy 3 Yearly Subscription Plan | $199.99 | one-time |
| Buy 5 Yearly Subscription Plan | $299.00 | one-time |


### Calendo

[App page](https://appshunter.io/ios/app/calendo-appointment-booking/id6817646425)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendo Growth | $6.99 | per month |
| Calendo Pro | $11.99 | per month |
| Calendo Growth | $69.99 | per year |
| Calendo Pro | $119.99 | per year |


## Frequently asked questions

### Is Instant Website Builder free?

Instant Website Builder is free to download, with in-app purchases available.

### Is Calendo free?

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

### Do Instant Website Builder or Calendo have ads?

Neither Instant Website Builder nor Calendo shows ads.

### Which is updated more often, Instant Website Builder or Calendo?

Instant Website Builder ships an update every 6 weeks, and Calendo every 3 days. Most recently, Instant Website Builder was updated on November 2, 2026 and Calendo 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.*