# Countdown Stack vs Sayo

The clearest difference is update cadence: Sayo at weekly against Countdown Stack's every 2 months. Sayo also leads on iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Countdown Stack sells 2 in-app purchases, starting at $0.29 per month and Sayo sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Countdown Stack against 5.0 for Sayo. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Countdown Stack ships an update every 2 months, Sayo weekly. The most recent releases landed on September 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Countdown Stack | Sayo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/countdown-stack/id6745722215/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sayo-voice-tasks-and-notes/id6761695602/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 33 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Khotinskiy](https://appshunter.io/developer/1603030256) | [Joseph Rodriguez](https://appshunter.io/developer/1877583924) |

## What reviewers say

### Countdown Stack

[App page](https://appshunter.io/ios/app/countdown-stack/id6745722215)

Easily track important upcoming events and personal goals. This app provides a clean interface to visualize your milestones, from birthdays to deadlines, across all your Apple devices. Unlock unlimited tracking and advanced features with an in-app purchase.

**Highlights:** Event and goal tracking, Clean and modern interface, Cross-device synchronization, Beautifully displayed countdowns, Unlimited countdowns (in-app purchase)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.29 | per month |
| Premium (Annual) | $2.49 | per year |


### Sayo

[App page](https://appshunter.io/ios/app/sayo-voice-tasks-and-notes/id6761695602)

Record voice memos and have them instantly transcribed and organized. The app automatically extracts tasks, ideas, and events from your recordings, with options to sync with your calendar and reminders. Enjoy privacy-focused, on-device AI processing for all your notes.

**Highlights:** On-device AI transcription, Automatic task, idea, and event extraction, Sync tasks to Apple Reminders, Sync events to Apple Calendar, iCloud sync across devices, Siri Shortcuts integration, Home screen widget

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sayo Pro Monthly | $9.99 | per month |
| Sayo Pro Annual | $49.99 | per year |
| Sayo Pro Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is Countdown Stack free?

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

### Is Sayo free?

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

### Which has better reviews, Countdown Stack or Sayo?

Countdown Stack and Sayo are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Countdown Stack or Sayo have ads?

Neither Countdown Stack nor Sayo shows ads.

### Which is updated more often, Countdown Stack or Sayo?

Countdown Stack ships an update every 2 months, and Sayo weekly. Most recently, Countdown Stack was updated on September 24, 2026 and Sayo on October 3, 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.*