# OTP TDB vs ABA Mongolia

The clearest difference is rating: ABA Mongolia at 3.0 against OTP TDB's 1.4. ABA Mongolia also leads on update cadence (every 2 weeks vs every 5 months). OTP TDB's advantage is iOS requirement (9.0 vs 15.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

ABA Mongolia holds the better App Store score, 3.0 against 1.4. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

OTP TDB ships an update every 5 months, ABA Mongolia every 2 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OTP TDB | ABA Mongolia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (7 ratings)](https://appshunter.io/ios/app/otp-tdb/id663215719/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/aba-mongolia/id6447431571/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 59 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trade and Development Bank of Mongolia](https://appshunter.io/developer/663172468) | [Bat-Erdene Enkhbaatar](https://appshunter.io/developer/1671170562) |

## 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


### ABA Mongolia

[App page](https://appshunter.io/ios/app/aba-mongolia/id6447431571)

A digital platform offering various transportation services, including taxi, delivery, rental, and intercity transport. Users can earn bonuses, estimate fares, and view traffic conditions.

**Highlights:** Multiple taxi service options, Express delivery services, Vehicle rental, Intercity transportation, Earn bonuses and rewards, Estimate fares, View traffic congestion

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

**In-app purchases:** none


## Frequently asked questions

### Is OTP TDB free?

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

### Is ABA Mongolia free?

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

### Which has better reviews, OTP TDB or ABA Mongolia?

ABA Mongolia is rated higher. OTP TDB averages 1.4 out of 5 from 7 ratings, while ABA Mongolia averages 3.0 from 4 ratings.

### Do OTP TDB or ABA Mongolia have ads?

Neither OTP TDB nor ABA Mongolia shows ads.

### Which is updated more often, OTP TDB or ABA Mongolia?

OTP TDB ships an update every 5 months, and ABA Mongolia every 2 weeks. Most recently, OTP TDB was updated on October 4, 2026 and ABA Mongolia on October 2, 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.*