# SpeakClock vs ZeroTapCalendar

The clearest difference is in-app purchases: SpeakClock at none against ZeroTapCalendar's 1. SpeakClock also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. ZeroTapCalendar sells 1 in-app purchase, starting at $4.99 per month. SpeakClock asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SpeakClock | ZeroTapCalendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | Every 2 days |
| Size | 24 MB | 7 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MANABU IKEUCHI](https://appshunter.io/developer/996937135) | [le-ders inc](https://appshunter.io/developer/1862067431) |

## What reviewers say

### SpeakClock

[App page](https://appshunter.io/ios/app/speakclock/id1624315265)

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

**In-app purchases:** none


### ZeroTapCalendar

[App page](https://appshunter.io/ios/app/zerotapcalendar-ai/id6761640938)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZeroTap Pro | $4.99 | per month |


## Frequently asked questions

### Is SpeakClock free?

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

### Is ZeroTapCalendar free?

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

### Do SpeakClock or ZeroTapCalendar have ads?

ZeroTapCalendar shows ads; SpeakClock does not.

### Which is updated more often, SpeakClock or ZeroTapCalendar?

SpeakClock ships an update every 2 days, and ZeroTapCalendar every 2 days. Most recently, SpeakClock was updated on November 7, 2026 and ZeroTapCalendar on November 5, 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.*