# iSafe vs Kialingo

The clearest difference is in-app purchases: iSafe at none against Kialingo's 3. Kialingo's advantage is update cadence (every 2 months vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kialingo sells 3 in-app purchases, starting at $5.99 per 3 months. iSafe asks for nothing beyond the download.

iSafe ships an update every 6 months, Kialingo every 2 months. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | iSafe | Kialingo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kialingo-app/id6758417063/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 60 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Wenku Safety Technology Engineering Co., Ltd](https://appshunter.io/developer/1558791524) | [AFDT CO](https://appshunter.io/developer/1872844518) |

## What reviewers say

### iSafe

[App page](https://appshunter.io/ios/app/isafe/id6443582187)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kialingo

[App page](https://appshunter.io/ios/app/kialingo-app/id6758417063)

Learn Vietnamese, Indonesian, and English through AI-powered, real-life scenarios. This app makes vocabulary acquisition engaging and effective by embedding words into contexts like travel, business, and daily interactions.

**Highlights:** AI-powered scenario-based learning, Focus on practical Vietnamese, Indonesian, and English, Scientific memory and review techniques, Immersive interactive exercises, Flexible and convenient learning, Offline content download

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 季度会员 | $5.99 | per 3 months |
| 年度会员 | $14.99 | per year |
| 终身会员 | $29.99 | one-time |


## Frequently asked questions

### Is iSafe free?

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

### Is Kialingo free?

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

### Do iSafe or Kialingo have ads?

Neither iSafe nor Kialingo shows ads.

### Which is updated more often, iSafe or Kialingo?

iSafe ships an update every 6 months, and Kialingo every 2 months. Most recently, iSafe was updated on September 19, 2026 and Kialingo on September 10, 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.*