# ITCMS vs One

The clearest difference is in-app purchases: ITCMS at none against One's 10. ITCMS also leads on iOS requirement (11.0 vs 15.5). One's advantage is update cadence (monthly vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. One sells 10 one-off in-app purchases. ITCMS asks for nothing beyond the download.

ITCMS ships an update every 21 months, One monthly. Both last shipped on November 7, 2026.

## The numbers

| Metric | ITCMS | One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (189 ratings)](https://appshunter.io/ios/app/one-click-translate/id6464308933/reviews)** |
| Number of ratings | — | **189** |
| Positive reviews | — | 13.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 218 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晨超 吴](https://appshunter.io/developer/858449907) | [Hangzhou zhidou Technology Co., Ltd.](https://appshunter.io/developer/1148463678) |

## What reviewers say

### ITCMS

[App page](https://appshunter.io/ios/app/itcms/id1630023538)

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

**In-app purchases:** none


### One

[App page](https://appshunter.io/ios/app/one-click-translate/id6464308933)

Effortlessly convert spoken words into text and translate them into over 100 languages. This app simplifies communication by offering voice input, text translation, and speech synthesis, making it convenient and labor-saving.

**Highlights:** Voice-to-text conversion, Multilingual translation, Speech synthesis, Supports over 100 languages, Effortless voice input

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bluetooth stick (1 year) | $4.99 | one-time |
| Offline package 1 year | $6.99 | one-time |
| Bluetooth stick (2 years) | $9.99 | one-time |
| Offline package 2 year | $9.99 | one-time |
| Call translation (60 minutes) | $9.99 | one-time |
| Basic Services (1 year) | $24.99 | one-time |
| Basic Services (2 years) | $39.99 | one-time |
| Video call duration 10 hours | $49.99 | one-time |
| Call translation (600 minutes) | $69.99 | one-time |
| Video call duration 1 month | $79.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 One-click translation
- 💡 Useful for conversations

**What reviewers complain about**

- 🐛 Connection issues
- 🐛 Unreliable translations
- 🔋 Drains battery quickly
- 🔒 Authorization problems

**Reported bugs**

- Device not authorized
- App crashes after updates
- Bluetooth connectivity problems

**Requested features**

- More language options
- Customizable voice options
- Improved conversation mode


## Frequently asked questions

### Is ITCMS free?

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

### Is One free?

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

### Do ITCMS or One have ads?

Neither ITCMS nor One shows ads.

### Which is updated more often, ITCMS or One?

ITCMS ships an update every 21 months, and One monthly. Most recently, ITCMS was updated on November 7, 2026 and One on November 7, 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.*