# SubitoSMS vs HTML Keep

The clearest difference is review sentiment: HTML Keep at 100% against SubitoSMS's 50%. HTML Keep also leads on update cadence (every 2 days vs every 75 months). SubitoSMS's advantage is in-app purchases (none vs 4). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. HTML Keep sells 4 in-app purchases, starting at $2.99 per month. SubitoSMS asks for nothing beyond the download.

SubitoSMS ships an update every 75 months, HTML Keep every 2 days. The most recent releases landed on September 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SubitoSMS | HTML Keep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/html-keep-mobile-html-viewer/id6767142789/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 75 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 6 MB | 22 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Linkas SRL](https://appshunter.io/developer/422625445) | [光 杨](https://appshunter.io/developer/1893576790) |

## What reviewers say

### SubitoSMS

[App page](https://appshunter.io/ios/app/subitosms/id716701530)

Send SMS messages to your contacts directly from your iPhone or iPad at a low cost. Schedule message delivery and check delivery status for free.

**Highlights:** Send SMS from iPhone/iPad, Low cost SMS sending, Schedule message delivery, Free delivery confirmation

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

**In-app purchases:** none


### HTML Keep

[App page](https://appshunter.io/ios/app/html-keep-mobile-html-viewer/id6767142789)

Easily view local HTML, Markdown, and ZIP files on your iPhone or iPad. Import files via Share or Open In for quick previews of web pages, notes, or web packages without needing an internet connection.

**Highlights:** Open local HTML files, Native Markdown preview, Import ZIP web packages, No account or login required, No cloud dependency, Simple, fast interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HTML Pocket Pro Monthly | $2.99 | per month |
| HTML Pocket Pro Yearly | $14.99 | per year |
| HTML Pocket Premium Lifetime Promo | $14.49 | one-time |
| HTML Pocket Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is SubitoSMS free?

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

### Is HTML Keep free?

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

### Do SubitoSMS or HTML Keep have ads?

Neither SubitoSMS nor HTML Keep shows ads.

### Which is updated more often, SubitoSMS or HTML Keep?

SubitoSMS ships an update every 75 months, and HTML Keep every 2 days. Most recently, SubitoSMS was updated on September 16, 2026 and HTML Keep on October 2, 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.*