# NAATI Sinhalese vs SLSL Dictionary

The clearest difference is review sentiment: SLSL Dictionary at 100% against NAATI Sinhalese's 50%. SLSL Dictionary also leads on update cadence (every 2 weeks vs every 2 months). NAATI Sinhalese's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NAATI Sinhalese ships an update every 2 months, SLSL Dictionary every 2 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NAATI Sinhalese | SLSL Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 60 MB | 52 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Akmi Labs Pty Ltd](https://appshunter.io/developer/1601400139) | [Daniel Porteous](https://appshunter.io/developer/1531368370) |

## What reviewers say

### NAATI Sinhalese

[App page](https://appshunter.io/ios/app/naati-sinhalese/id1556150777)

Prepare for the NAATI Sinhalese Interpretation exam with comprehensive study materials. Improve vocabulary with flashcards, practice dialogues, and access a Sinhalese-English translator. Get personalized help from experienced tutors.

**Highlights:** Exam information and booking help, Over 500 key vocabulary words, Customizable vocabulary flashcards, Practice exam dialogues, Sinhalese-English translator, Personalized tutor assistance

**Features:** Vision Pro support

**In-app purchases:** none


### SLSL Dictionary

[App page](https://appshunter.io/ios/app/slsl-dictionary/id6445848879)

Learn sign language with definitions and videos for each sign. Save custom word lists and use flashcards with spaced repetition for effective revision. Supports English, Sinhala, and Tamil.

**Highlights:** Video demonstrations for signs, Custom word list saving, Flashcard revision feature, Spaced repetition learning, Support for English, Sinhala, and Tamil

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

**In-app purchases:** none


## Frequently asked questions

### Is NAATI Sinhalese free?

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

### Is SLSL Dictionary free?

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

### Do NAATI Sinhalese or SLSL Dictionary have ads?

Neither NAATI Sinhalese nor SLSL Dictionary shows ads.

### Which is updated more often, NAATI Sinhalese or SLSL Dictionary?

NAATI Sinhalese ships an update every 2 months, and SLSL Dictionary every 2 weeks. Most recently, NAATI Sinhalese was updated on October 3, 2026 and SLSL Dictionary on October 15, 2026.

---

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