# Letmeknow vs HTMLCollection

The clearest difference is ads: HTMLCollection at none against Letmeknow's shown. Letmeknow's advantage is update cadence (monthly vs every 2 months) and iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Letmeknow sells 3 in-app purchases, starting at $0.99 per month and HTMLCollection sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Letmeknow ships an update monthly, HTMLCollection every 2 months. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Letmeknow | HTMLCollection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/letmeknow-ai-reminder/id6756268904/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sutekidane](https://appshunter.io/developer/1859657284) | [Shigeki Karouji](https://appshunter.io/developer/975941302) |

## What reviewers say

### Letmeknow

[App page](https://appshunter.io/ios/app/letmeknow-ai-reminder/id6756268904)

This utility app allows users to set reminders using natural language input, either by speaking or typing. It understands conversational requests, making reminder creation quick and intuitive. A premium version offers advanced features like unlimited voice input and a dark theme.

**Highlights:** Natural language understanding, Voice and text reminder input, Quick reminder setup, Premium features available, Dark theme, Home screen widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $0.99 | per month |
| Premium yearly | $9.99 | per year |
| No Ads Permanently | $3.99 | one-time |


### HTMLCollection

[App page](https://appshunter.io/ios/app/htmlcollection/id6756459786)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| History Plus: Extended History | $0.49 | one-time |


## Frequently asked questions

### Is Letmeknow free?

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

### Is HTMLCollection free?

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

### Do Letmeknow or HTMLCollection have ads?

Letmeknow shows ads; HTMLCollection does not.

### Which is updated more often, Letmeknow or HTMLCollection?

Letmeknow ships an update monthly, and HTMLCollection every 2 months. Most recently, Letmeknow was updated on October 9, 2026 and HTMLCollection on October 28, 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.*