# Kotoba vs 同時通訳さん

The clearest difference is rating: 同時通訳さん at 5.0 against Kotoba's 4.5. 同時通訳さん also leads on in-app purchases (none vs 3). Kotoba's advantage is ratings volume (19 vs 1) and iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kotoba sells 3 in-app purchases, starting at $99.99 per month. 同時通訳さん asks for nothing beyond the download.

同時通訳さん holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Kotoba has 19 ratings behind it against 1, so its average is the more settled of the two.

Kotoba ships an update weekly, 同時通訳さん every 11 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Kotoba | 同時通訳さん |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/kotobavoice-interpretermemos/id6740851285/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6754909419/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 56.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 5 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [(株)Kotoba Technologies Japan](https://appshunter.io/developer/1791939102) | [Atsushi Koyama](https://appshunter.io/developer/1367138812) |

## What reviewers say

### Kotoba

[App page](https://appshunter.io/ios/app/kotobavoice-interpretermemos/id6740851285)

This app offers real-time voice translation with ultra-low latency, predicting translations before you finish speaking. It aims to eliminate language barriers for seamless communication in meetings, travel, and international interactions.

**Highlights:** Ultra-low-latency speech-to-text and speech-to-speech translation, Predictive AI translation before speaking, Real-time live subtitles, Share and save translation results as text, Multilingual support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $99.99 | per month |
| Unlimited Plan | $999.99 | per year |
| Day pass | $9.99 | one-time |


### 同時通訳さん

[App page](https://appshunter.io/ios/app/ai/id6754909419)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kotoba free?

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

### Is 同時通訳さん free?

同時通訳さん is free to download, with no in-app purchases.

### Which has better reviews, Kotoba or 同時通訳さん?

同時通訳さん is rated higher. Kotoba averages 4.5 out of 5 from 19 ratings, while 同時通訳さん averages 5.0 from 1 ratings.

### Do Kotoba or 同時通訳さん have ads?

Neither Kotoba nor 同時通訳さん shows ads.

### Which is updated more often, Kotoba or 同時通訳さん?

Kotoba ships an update weekly, and 同時通訳さん every 11 days. Most recently, Kotoba was updated on October 25, 2026 and 同時通訳さん 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.*