# eCalc vs Sen Việt

eCalc and Sen Việt are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

eCalc ships an update every 2 days, Sen Việt every 4 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | eCalc | Sen Việt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sen-viet/id6821782799/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | — | Free |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Quynh Dinh Huu](https://appshunter.io/developer/1140053429) | [NIDO HOLDINGS NEXT GENERATION COMPANY LIMITED](https://appshunter.io/developer/6781195118) |

## What reviewers say

### eCalc

[App page](https://appshunter.io/ios/app/ecalc-easy-calculator/id6787689502)

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

**In-app purchases:** none


### Sen Việt

[App page](https://appshunter.io/ios/app/sen-viet/id6821782799)

A modern Vietnamese keyboard for iPhone and iPad offering fast, accurate, and smooth typing without an internet connection. It features intelligent English-Vietnamese typing and suggestions, prioritizing absolute privacy by not requiring full access or storing user input.

**Highlights:** Fast and accurate Vietnamese typing, Intelligent English-Vietnamese word recognition, New typing styles, Quick suggestion sentences with Apple Watch effect, 100% offline functionality, No full access required, No input logging or storage

**In-app purchases:** none


## Frequently asked questions

### Is eCalc free?

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

### Is Sen Việt free?

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

### Do eCalc or Sen Việt have ads?

Neither eCalc nor Sen Việt shows ads.

### Which is updated more often, eCalc or Sen Việt?

eCalc ships an update every 2 days, and Sen Việt every 4 days. Most recently, eCalc was updated on October 31, 2026 and Sen Việt on November 1, 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.*