# Stop Smoking Tracker vs Synchronai

The clearest difference is iOS requirement: Synchronai at 15.1 against Stop Smoking Tracker's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stop Smoking Tracker sells 2 in-app purchases, starting at $4.99 per 7 days and Synchronai sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Stop Smoking Tracker ships an update weekly, Synchronai fortnightly. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stop Smoking Tracker | Synchronai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 4 MB | 55 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Bogdan Akopov](https://appshunter.io/developer/1562994878) | [Homero Gheorghe](https://appshunter.io/developer/1863029009) |

## What reviewers say

### Stop Smoking Tracker

[App page](https://appshunter.io/ios/app/stop-smoking-tracker-quitnow/id6742710934)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscriptions | $4.99 | per 7 days |
| Annual Subscription with trial | $19.99 | per year |


### Synchronai

[App page](https://appshunter.io/ios/app/synchronai/id6756811068)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SYNCHRONAI | $1.99 | per month |
| SYNCHRONAI | $9.99 | per month |
| SYNCHRONAI | $19.99 | per year |
| SYNCHRONAI | $99.99 | per year |


## Frequently asked questions

### Is Stop Smoking Tracker free?

Stop Smoking Tracker is free to download, with in-app purchases available.

### Is Synchronai free?

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

### Do Stop Smoking Tracker or Synchronai have ads?

Neither Stop Smoking Tracker nor Synchronai shows ads.

### Which is updated more often, Stop Smoking Tracker or Synchronai?

Stop Smoking Tracker ships an update weekly, and Synchronai fortnightly. Most recently, Stop Smoking Tracker was updated on October 3, 2026 and Synchronai on October 24, 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.*