# OTP TDB vs Mongol Post

The clearest difference is rating: Mongol Post at 5.0 against OTP TDB's 1.4. Mongol Post also leads on update cadence (monthly vs every 5 months). OTP TDB's advantage is ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Mongol Post holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: OTP TDB has 7 ratings behind it against 1, so its average is the more settled of the two.

OTP TDB ships an update every 5 months, Mongol Post monthly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OTP TDB | Mongol Post |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (7 ratings)](https://appshunter.io/ios/app/otp-tdb/id663215719/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mongol-post/id1565274229/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 6 MB | 90 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trade and Development Bank of Mongolia](https://appshunter.io/developer/663172468) | [Mongol Post JSC](https://appshunter.io/developer/1565274231) |

## What reviewers say

### OTP TDB

[App page](https://appshunter.io/ios/app/otp-tdb/id663215719)

Generate one-time passwords for secure access to TDB Online banking. This application provides a convenient way to receive dynamic security codes for your banking transactions.

**Highlights:** One-time password generation, Secure access for TDB Online, Dynamic security codes, Banking transaction support

**Features:** macOS Compatibility

**In-app purchases:** none


### Mongol Post

[App page](https://appshunter.io/ios/app/mongol-post/id1565274229)

This app allows users to send domestic and international mail, track shipments, calculate costs, and find branch locations and schedules. It also provides information on international money transfers and helpful guides for packaging and prohibited items.

**Highlights:** Send domestic and international mail, Track shipment locations, Calculate shipping costs, Find branch addresses and hours, View transportation schedules, Access international money transfer info

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTP TDB free?

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

### Is Mongol Post free?

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

### Which has better reviews, OTP TDB or Mongol Post?

Mongol Post is rated higher. OTP TDB averages 1.4 out of 5 from 7 ratings, while Mongol Post averages 5.0 from 1 ratings.

### Do OTP TDB or Mongol Post have ads?

Neither OTP TDB nor Mongol Post shows ads.

### Which is updated more often, OTP TDB or Mongol Post?

OTP TDB ships an update every 5 months, and Mongol Post monthly. Most recently, OTP TDB was updated on October 4, 2026 and Mongol Post on October 7, 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.*