# Tacit OA vs iTalk

The clearest difference is in-app purchases: Tacit OA at none against iTalk's 10. Tacit OA also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. iTalk sells 10 one-off in-app purchases. Tacit OA asks for nothing beyond the download.

Tacit OA ships an update every 3 weeks, iTalk every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Tacit OA | iTalk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 154 MB | 157 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Jiu Tian Yun Technology (wuhan) Limited Company](https://appshunter.io/developer/1554438567) | [EASTERN JOY LIMITED](https://appshunter.io/developer/1833165480) |

## What reviewers say

### Tacit OA

[App page](https://appshunter.io/ios/app/tacit-oa/id1554438565)

**Features:** macOS Compatibility

**In-app purchases:** none


### iTalk

[App page](https://appshunter.io/ios/app/italk/id6751024032)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTalk-vip订阅-3个月 | $19.99 | one-time |
| iTalk-高级群订阅时长延长-90天 | $34.99 | one-time |
| iTalk-群组升级-至高级群 | $59.99 | one-time |
| iTalk-vip订阅-12个月 | $59.99 | one-time |
| iTalk-高级群订阅时长延长-180天 | $69.99 | one-time |
| iTalk-群成员数量扩容-至3000人 | $99.99 | one-time |
| iTalk-高级群订阅时长延长-365天 | $129.99 | one-time |
| iTalk-群数量扩容-1000个 | $199.99 | one-time |
| iTalk-群成员数量扩容-至8000人 | $299.99 | one-time |
| iTalk-群成员数量扩容-至10000人 | $399.99 | one-time |


## Frequently asked questions

### Is Tacit OA free?

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

### Is iTalk free?

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

### Do Tacit OA or iTalk have ads?

Neither Tacit OA nor iTalk shows ads.

### Which is updated more often, Tacit OA or iTalk?

Tacit OA ships an update every 3 weeks, and iTalk every 4 months. Most recently, Tacit OA was updated on October 25, 2026 and iTalk 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.*