# SENTRY PRO vs Yi Translate

The clearest difference is in-app purchases: SENTRY PRO at none against Yi Translate's 10. SENTRY PRO also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (9.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Yi Translate sells 10 one-off in-app purchases. SENTRY PRO asks for nothing beyond the download.

SENTRY PRO ships an update every 5 days, Yi Translate every 2 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SENTRY PRO | Yi Translate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 14 MB | 171 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Limson Marketing Inc.](https://appshunter.io/developer/1555979018) | [Yiyitong (Xiamen) Technology Co., Ltd](https://appshunter.io/developer/1754062809) |

## What reviewers say

### SENTRY PRO

[App page](https://appshunter.io/ios/app/sentry-pro/id1641050180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yi Translate

[App page](https://appshunter.io/ios/app/yi-translate/id6717588955)

**Features:** macOS Compatibility, Siri integration

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 conversations/3 months | $0.99 | one-time |
| Yi translate Starter Pack | $1.99 | one-time |
| Monthly Unlimited | $2.99 | one-time |
| 1200 conversations/6 months | $2.99 | one-time |
| Quarterly Special | $6.99 | one-time |
| 3000 conversations/12 months | $6.99 | one-time |
| Yi translate Pro Pack | $17.99 | one-time |
| Annual Elite | $19.99 | one-time |
| 会议纪要优惠套餐 | $19.99 | one-time |
| Yi translate Premium Pack | $39.99 | one-time |


## Frequently asked questions

### Is SENTRY PRO free?

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

### Is Yi Translate free?

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

### Do SENTRY PRO or Yi Translate have ads?

Neither SENTRY PRO nor Yi Translate shows ads.

### Which is updated more often, SENTRY PRO or Yi Translate?

SENTRY PRO ships an update every 5 days, and Yi Translate every 2 weeks. Most recently, SENTRY PRO was updated on October 2, 2026 and Yi Translate on October 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.*