# Synto vs Countdown Days

The clearest difference is in-app purchases: Synto at none against Countdown Days's 3. Synto also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Countdown Days sells 3 in-app purchases, starting at $2.99 per 7 days. Synto asks for nothing beyond the download.

Synto ships an update every 3 weeks, Countdown Days fortnightly. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Synto | Countdown Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synto/id6757703408/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 72 MB | 14 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [DJP TECHNOLOGY LTDA](https://appshunter.io/developer/1673757667) | [APP TEAM](https://appshunter.io/developer/1892958531) |

## What reviewers say

### Synto

[App page](https://appshunter.io/ios/app/synto/id6757703408)

Access leading AI models for specialized assistance in education, career, business, and personal organization. Engage in natural conversations with AI tailored to your needs, all within a user-friendly interface that prioritizes your data privacy.

**Highlights:** Access multiple advanced AI models, Specialized AI assistants, Natural language conversation, Data privacy and security, User-friendly interface, Free to try

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

**In-app purchases:** none


### Countdown Days

[App page](https://appshunter.io/ios/app/countdown-days-event-timer/id6773258156)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $6.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Synto free?

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

### Is Countdown Days free?

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

### Do Synto or Countdown Days have ads?

Countdown Days shows ads; Synto does not.

### Which is updated more often, Synto or Countdown Days?

Synto ships an update every 3 weeks, and Countdown Days fortnightly. Most recently, Synto was updated on October 12, 2026 and Countdown Days on October 10, 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.*