# Bulgarian Dictionary + vs NIHCertification

The clearest difference is ads: NIHCertification at none against Bulgarian Dictionary +'s shown. NIHCertification also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Bulgarian Dictionary + sells 5 one-off in-app purchases and NIHCertification sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bulgarian Dictionary + ships an update every 2 months, NIHCertification every 2 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bulgarian Dictionary + | NIHCertification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (62 ratings)](https://appshunter.io/ios/app/bulgarian-dictionary-plus/id402658576/reviews)** | — |
| Number of ratings | **62** | — |
| Positive reviews | 85.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 75 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [iThinkdiff](https://appshunter.io/developer/377715733) | [NATIONAL INSTITUTE OF HEALTHCAREER CERTIFICATION LLC](https://appshunter.io/developer/1884704912) |

## What reviewers say

### Bulgarian Dictionary +

[App page](https://appshunter.io/ios/app/bulgarian-dictionary-plus/id402658576)

This app provides a comprehensive bilingual dictionary and translator for English and Bulgarian. It offers offline access to over 350,000 words and phrases, including pronunciation, and features tools like flashcards and word games to aid language learning.

**Highlights:** Bilingual English-Bulgarian dictionary, Offline translation of words and phrases, Image text scanning for dictionary search, Thesaurus, synonyms, and antonyms, Vocabulary building games and flashcards, Offline pronunciation guide, Phrasebook for common expressions

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English Pronunciation | $0.99 | one-time |
| Online Translator | $0.99 | one-time |
| Flash Card | $0.99 | one-time |
| Phrase Book | $0.99 | one-time |
| Unlock Full Version | $9.99 | one-time |


### NIHCertification

[App page](https://appshunter.io/ios/app/nihcertification/id6760490731)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PTCB Reinstate | $649.99 | one-time |


## Frequently asked questions

### Is Bulgarian Dictionary + free?

Bulgarian Dictionary + is free to download, with in-app purchases available.

### Is NIHCertification free?

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

### Do Bulgarian Dictionary + or NIHCertification have ads?

Bulgarian Dictionary + shows ads; NIHCertification does not.

### Which is updated more often, Bulgarian Dictionary + or NIHCertification?

Bulgarian Dictionary + ships an update every 2 months, and NIHCertification every 2 weeks. Most recently, Bulgarian Dictionary + was updated on November 1, 2026 and NIHCertification on October 31, 2026.

---

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