# Companion Synonyms vs E.J.C Science&Tech Dictionary

The clearest difference is review sentiment: Companion Synonyms at 64% against E.J.C Science&Tech Dictionary's 0%. Companion Synonyms also leads on update cadence (every 3 months vs every 13 months) and price ($1.99 vs $3.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Companion Synonyms costs $1.99 and E.J.C Science&Tech Dictionary $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Companion Synonyms ships an update every 3 months, E.J.C Science&Tech Dictionary every 13 months. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Companion Synonyms | E.J.C Science&Tech Dictionary |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/companion-synonyms/id317804594/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **63.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Paid | Paid |
| Size | 62 MB | 67 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Enfour, Inc.](https://appshunter.io/developer/284965604) | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) |

## What reviewers say

### Companion Synonyms

[App page](https://appshunter.io/ios/app/companion-synonyms/id317804594)

Access a vast thesaurus with over 2.5 million synonyms and related terms. Enjoy advanced search features, offline functionality, and seamless integration with other compatible dictionaries.

**Highlights:** 2.5 million synonyms and related terms, Real-time progressive look-up, Wildcard and partial searches, Inter-application linking with other UniDict dictionaries, Complete offline use, AI boosted anagram generator, Bookmarks with notations

**Features:** Vision Pro support

**In-app purchases:** none


### E.J.C Science&Tech Dictionary

[App page](https://appshunter.io/ios/app/ejc-science-and-tech-dictionary/id363371011)

This application provides a quick reference for scientific and technical terms in English, Japanese, and Chinese. It offers offline access to a large database of words, allowing for fast lookups and easy navigation through search history and bookmarks.

**Highlights:** Offline dictionary access, English, Japanese, Chinese terms, Search by prefix or partial match, Bookmark and history functions, Quick word lookups, Large word database

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

**In-app purchases:** none


## Frequently asked questions

### Is Companion Synonyms free?

Companion Synonyms costs $1.99, with no in-app purchases.

### Is E.J.C Science&Tech Dictionary free?

E.J.C Science&Tech Dictionary costs $3.99, with no in-app purchases.

### Do Companion Synonyms or E.J.C Science&Tech Dictionary have ads?

Neither Companion Synonyms nor E.J.C Science&Tech Dictionary shows ads.

### Which is updated more often, Companion Synonyms or E.J.C Science&Tech Dictionary?

Companion Synonyms ships an update every 3 months, and E.J.C Science&Tech Dictionary every 13 months. Most recently, Companion Synonyms was updated on October 23, 2026 and E.J.C Science&Tech Dictionary on October 12, 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.*