# Synca · Sync Your Aha Moment vs JustGO

The clearest difference is in-app purchases: JustGO at none against Synca · Sync Your Aha Moment's 3. JustGO also leads on update cadence (daily vs every 5 weeks) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Synca · Sync Your Aha Moment sells 3 in-app purchases, starting at $0.99 per month. JustGO asks for nothing beyond the download.

Synca · Sync Your Aha Moment ships an update every 5 weeks, JustGO daily. Both last shipped on October 25, 2026.

## The numbers

| Metric | Synca · Sync Your Aha Moment | JustGO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Size | 9 MB | 39 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰雨 李](https://appshunter.io/developer/1879677009) | [Heejun Yang](https://appshunter.io/developer/6782077944) |

## What reviewers say

### Synca · Sync Your Aha Moment

[App page](https://appshunter.io/ios/app/synca-sync-your-aha-moment/id6761647007)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synca Unlimited (Monthly) | $0.99 | per month |
| Synca Unlimited (Yearly) | $3.99 | per year |
| Synca Unlimited Lifetime | $14.99 | one-time |


### JustGO

[App page](https://appshunter.io/ios/app/justgo-focus/id6783044600)

**In-app purchases:** none


## Frequently asked questions

### Is Synca · Sync Your Aha Moment free?

Synca · Sync Your Aha Moment is free to download, with in-app purchases available.

### Is JustGO free?

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

### Do Synca · Sync Your Aha Moment or JustGO have ads?

Neither Synca · Sync Your Aha Moment nor JustGO shows ads.

### Which is updated more often, Synca · Sync Your Aha Moment or JustGO?

Synca · Sync Your Aha Moment ships an update every 5 weeks, and JustGO daily. Most recently, Synca · Sync Your Aha Moment was updated on October 25, 2026 and JustGO on October 25, 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.*