# Chọn Số vs CTVMBF

Chọn Số and CTVMBF 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.

Chọn Số ships an update every 3 weeks, CTVMBF every 5 weeks. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Chọn Số | CTVMBF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 91 MB | 49 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MobiFone](https://appshunter.io/developer/437730616) | [OSP TOAN CAU TRADING SERVICES AND TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1660014578) |

## What reviewers say

### Chọn Số

[App page](https://appshunter.io/ios/app/chon-so/id1602526260)

This app simplifies managing your mobile services. Easily register, order SIM cards, and sign up for plans online. Enjoy convenient home delivery and flexible payment options.

**Highlights:** Easy account registration, Order history management, Quick SIM card selection, OTP plan registration, Home SIM delivery, Online payment options, Online activation (physical & eSIM)

**Features:** macOS Compatibility

**In-app purchases:** none


### CTVMBF

[App page](https://appshunter.io/ios/app/ctvmbf/id1613312833)

**In-app purchases:** none


## Frequently asked questions

### Is Chọn Số free?

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

### Is CTVMBF free?

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

### Do Chọn Số or CTVMBF have ads?

Neither Chọn Số nor CTVMBF shows ads.

### Which is updated more often, Chọn Số or CTVMBF?

Chọn Số ships an update every 3 weeks, and CTVMBF every 5 weeks. Most recently, Chọn Số was updated on August 14, 2026 and CTVMBF 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.*