# Addition Concentrated vs VivaLing

The clearest difference is review sentiment: Addition Concentrated at 100% against VivaLing's 33%. Addition Concentrated also leads on rating (5.0 vs 3.0) and chart position (#162 vs unranked). VivaLing's advantage is price (Free vs $0.99) and update cadence (every 6 weeks vs every 25 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

VivaLing is free to download; Addition Concentrated costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Addition Concentrated holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 100% of Addition Concentrated's written reviews are positive against 33% of VivaLing's.

Addition Concentrated ships an update every 25 months, VivaLing every 6 weeks. The most recent releases landed on August 6, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Addition Concentrated | VivaLing |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/addition-concentrated/id548958374/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/vivaling/id1052554620/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#162** | — |
| Size | 2 MB | 247 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Catherine Vitti](https://appshunter.io/developer/548958377) | [VivaLing Pte Ltd](https://appshunter.io/developer/1052554619) |

## What reviewers say

### Addition Concentrated

[App page](https://appshunter.io/ios/app/addition-concentrated/id548958374)

**Currently charting:** #162 Top Paid · Education (US App Store)

Practice addition with single to five-digit numbers using two distinct methods. Offers visual customization options for accessibility and large display for classroom use.

**Highlights:** Addition practice, Single to five-digit numerals, Column-by-column method, Multiple choice mode, Customizable background colors, Large numeral display

**Features:** macOS Compatibility

**In-app purchases:** none


### VivaLing

[App page](https://appshunter.io/ios/app/vivaling/id1052554620)

Connect with native-speaking language coaches for personalized, real-time video lessons. This platform offers immersive learning experiences designed to help you thrive in new environments.

**Highlights:** Personalized 1-on-1 video sessions, Native-level language coaches, Interactive and immersive learning, Real-time feedback, Global collaboration through education

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

**In-app purchases:** none


## Frequently asked questions

### Is Addition Concentrated free?

Addition Concentrated costs $0.99, with no in-app purchases.

### Is VivaLing free?

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

### Which has better reviews, Addition Concentrated or VivaLing?

Addition Concentrated is rated higher. Addition Concentrated averages 5.0 out of 5 from 2 ratings, while VivaLing averages 3.0 from 2 ratings.

### Do Addition Concentrated or VivaLing have ads?

Neither Addition Concentrated nor VivaLing shows ads.

### Which is updated more often, Addition Concentrated or VivaLing?

Addition Concentrated ships an update every 25 months, and VivaLing every 6 weeks. Most recently, Addition Concentrated was updated on August 6, 2026 and VivaLing 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.*