# Just vs Sap Sap

The clearest difference is ads: Sap Sap at none against Just's shown. Just's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Just sells 1 in-app purchase, starting at $3.99 per month and Sap Sap sells 8 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Just ships an update weekly, Sap Sap every 10 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Just | Sap Sap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/sap-sap-learn-languages/id6756220831/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 81 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Hong Gyu Kim](https://appshunter.io/developer/1765490914) | [Anti Brainrot Society](https://appshunter.io/developer/1859279760) |

## What reviewers say

### Just

[App page](https://appshunter.io/ios/app/just-do/id6727002720)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JUST DO ‘The more.’ | $3.99 | per month |


### Sap Sap

[App page](https://appshunter.io/ios/app/sap-sap-learn-languages/id6756220831)

Learn languages through interactive stories and AI-powered conversations. Practice speaking and listening with native pronunciation and get instant feedback on your responses. Progress through engaging narratives to master vocabulary and grammar in context.

**Highlights:** Immersive story-based conversations, AI-powered chat, Native pronunciation with text-to-speech, Voice input for speaking practice, Instant feedback on responses, Progress tracking, Regularly added new stories

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| SapSap Pro Monthly | $9.99 | per month |
| Premium Weekly | $9.99 | per 7 days |
| Premium Weekly Intro Offer | $9.99 | per 7 days |
| SapSap Pro Yearly | $79.99 | per year |
| SapSap Annual | $79.99 | per year |
| Premium Annual | $299.00 | per year |
| Premium Annual Offer | $299.00 | per year |


## Frequently asked questions

### Is Just free?

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

### Is Sap Sap free?

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

### Do Just or Sap Sap have ads?

Just shows ads; Sap Sap does not.

### Which is updated more often, Just or Sap Sap?

Just ships an update weekly, and Sap Sap every 10 days. Most recently, Just was updated on October 17, 2026 and Sap Sap on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*