# iSAC vs Viet EV

The clearest difference is update cadence: iSAC at every 5 days against Viet EV's fortnightly. iSAC also leads on iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iSAC ships an update every 5 days, Viet EV fortnightly. Both last shipped on October 30, 2026.

## The numbers

| Metric | iSAC | Viet EV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/viet-ev-ev-charging-map/id6749254230/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 23 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [iEV-Tech](https://appshunter.io/developer/1745370832) | [NEOLAB TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1829603265) |

## What reviewers say

### iSAC

[App page](https://appshunter.io/ios/app/isac/id6502529713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viet EV

[App page](https://appshunter.io/ios/app/viet-ev-ev-charging-map/id6749254230)

Find and navigate to electric vehicle charging stations across Vietnam. See real-time port availability, compare stations, and plan your entire trip with charging stops. Users can also contribute to the map by adding new stations or reporting issues.

**Highlights:** EV charging station map, Real-time port status, Trip planning with charging stops, Smart station filters, User-contributed data, CarPlay and Siri integration

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

**In-app purchases:** none


## Frequently asked questions

### Is iSAC free?

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

### Is Viet EV free?

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

### Do iSAC or Viet EV have ads?

Neither iSAC nor Viet EV shows ads.

### Which is updated more often, iSAC or Viet EV?

iSAC ships an update every 5 days, and Viet EV fortnightly. Most recently, iSAC was updated on October 30, 2026 and Viet EV on October 30, 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.*