# LearnICDL vs Numvolt

The clearest difference is in-app purchases: LearnICDL at none against Numvolt's 1. LearnICDL also leads on iOS requirement (13.0 vs 17.0). Numvolt's advantage is update cadence (daily vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Numvolt sells 1 one-off in-app purchase. LearnICDL asks for nothing beyond the download.

LearnICDL ships an update every 6 weeks, Numvolt daily. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | LearnICDL | Numvolt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numvolt-mental-math-trainer/id6809142973/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 42 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Osterreichische Computer Gesellschaft (OCG) Vereinsregister ZVR-Zahl 125777049](https://appshunter.io/developer/1584976784) | [ROMEO ILARIO FLAVIO GAMBINO](https://appshunter.io/developer/1874823696) |

## What reviewers say

### LearnICDL

[App page](https://appshunter.io/ios/app/learnicdl/id1584976782)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numvolt

[App page](https://appshunter.io/ios/app/numvolt-mental-math-trainer/id6809142973)

Enhance your mental math skills with a comprehensive trainer offering 15 topics and 150 levels each. Learn fastest calculation methods, track progress, and compete globally. Features include daily challenges, duels, and a home screen widget.

**Highlights:** 15 topics, 150 levels each, Fastest calculation method explanations, Daily challenges and sprints, Global ladder rankings, Two-player duels, Progress tracking and home screen widget

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numvolt Pro | $8.99 | one-time |


## Frequently asked questions

### Is LearnICDL free?

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

### Is Numvolt free?

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

### Do LearnICDL or Numvolt have ads?

Neither LearnICDL nor Numvolt shows ads.

### Which is updated more often, LearnICDL or Numvolt?

LearnICDL ships an update every 6 weeks, and Numvolt daily. Most recently, LearnICDL was updated on October 3, 2026 and Numvolt on September 30, 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.*