# Num Trainer vs Audio Dubbing

The clearest difference is review sentiment: Num Trainer at 100% against Audio Dubbing's 30%. Num Trainer also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 3). Audio Dubbing's advantage is iOS requirement (14.0 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Audio Dubbing sells 3 in-app purchases, starting at $1.99 per month. Num Trainer asks for nothing beyond the download.

Num Trainer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of Num Trainer's written reviews are positive against 30% of Audio Dubbing's.

Num Trainer ships an update every 9 days, Audio Dubbing monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Num Trainer | Audio Dubbing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/num-trainer-brain-training/id1531055741/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/audio-dubbing/id6443786818/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 30.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | **Free** | Subscription |
| Size | 2 MB | 127 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yang Wang](https://appshunter.io/developer/1531055743) | [继岭 陈](https://appshunter.io/developer/954198643) |

## What reviewers say

### Num Trainer

[App page](https://appshunter.io/ios/app/num-trainer-brain-training/id1531055741)

Enhance your cognitive abilities with focused games designed to improve attention, memory, reaction speed, mental math, and logic. Track your progress with detailed history charts and compete globally on leaderboards. Enjoy a clean, distraction-free experience with no ads or in-app purchases.

**Highlights:** Mental Math training, Number Pair memory games, Tap in Order challenges, Digit-by-Digit Math, Progress tracking, Global leaderboards

**In-app purchases:** none


### Audio Dubbing

[App page](https://appshunter.io/ios/app/audio-dubbing/id6443786818)

This app helps users learn English effectively through a subscription-based service. It offers various subscription periods, including monthly, half-yearly, and annual plans, with auto-renewal options.

**Highlights:** Effective English learning, Auto-renewal subscriptions, Monthly, half-yearly, and annual plans, Privacy terms available, Supports iPhone, iPad, iPod

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 1 Month | $1.99 | per month |
| VIP 6 Months | $3.99 | per 6 months |
| VIP 1 Year | $6.99 | per year |


## Frequently asked questions

### Is Num Trainer free?

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

### Is Audio Dubbing free?

Audio Dubbing is free to download, with in-app purchases available.

### Which has better reviews, Num Trainer or Audio Dubbing?

Num Trainer is rated higher. Num Trainer averages 5.0 out of 5 from 2 ratings, while Audio Dubbing averages 3.0 from 1 ratings.

### Do Num Trainer or Audio Dubbing have ads?

Neither Num Trainer nor Audio Dubbing shows ads.

### Which is updated more often, Num Trainer or Audio Dubbing?

Num Trainer ships an update every 9 days, and Audio Dubbing monthly. Most recently, Num Trainer was updated on November 3, 2026 and Audio Dubbing on November 3, 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.*