# Oh!Natto! ~納豆ネバネバシミュレーション~ vs TCGSim

The clearest difference is rating: TCGSim at 3.0 against Oh!Natto! ~納豆ネバネバシミュレーション~'s 1.0. Oh!Natto! ~納豆ネバネバシミュレーション~'s advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. TCGSim sells 4 one-off in-app purchases. Oh!Natto! ~納豆ネバネバシミュレーション~ asks for nothing beyond the download.

TCGSim holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews complicate that: 100% of Oh!Natto! ~納豆ネバネバシミュレーション~'s written reviews are positive against 78% of TCGSim's, so the app with the better star average is not the one people write more warmly about.

Oh!Natto! ~納豆ネバネバシミュレーション~ ships an update every 10 days, TCGSim every 3 months. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Oh!Natto! ~納豆ネバネバシミュレーション~ | TCGSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ohnatto/id1457049172/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/tcgsim/id6474193450/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 167 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harumi Sagawa](https://appshunter.io/developer/1454250246) | [Kenta Hayakawa](https://appshunter.io/developer/1681275019) |

## What reviewers say

### Oh!Natto! ~納豆ネバネバシミュレーション~

[App page](https://appshunter.io/ios/app/ohnatto/id1457049172)

Engage in a unique natto-mixing action game where you compete for scores based on how much you can eat. The mixing consistency affects its portability. Share your high scores on social media and potentially discover a new appreciation for natto.

**Highlights:** Natto mixing action, Score-based competition, Eat as much natto as possible, Mix consistency affects portability, Share high scores on SNS, Stress relief gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### TCGSim

[App page](https://appshunter.io/ios/app/tcgsim/id6474193450)

Practice popular trading card games solo with this easy-to-use app. It supports deck tuning, strategy research, and includes features like free card manipulation and dice rolls. Customize your experience with optional in-app purchases.

**Highlights:** Solo play for 1-2 player fields, Free card manipulation, Deck and card management, Import decks via codes/CSV, Dice roll and coin toss, Customizable backgrounds

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Custom Field Image | $1.99 | one-time |
| Unlock Custom Card Back | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Unlock Deck Slots | $2.99 | one-time |


## Frequently asked questions

### Is Oh!Natto! ~納豆ネバネバシミュレーション~ free?

Oh!Natto! ~納豆ネバネバシミュレーション~ is free to download, with no in-app purchases.

### Is TCGSim free?

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

### Which has better reviews, Oh!Natto! ~納豆ネバネバシミュレーション~ or TCGSim?

TCGSim is rated higher. Oh!Natto! ~納豆ネバネバシミュレーション~ averages 1.0 out of 5 from 1 ratings, while TCGSim averages 3.0 from 2 ratings.

### Do Oh!Natto! ~納豆ネバネバシミュレーション~ or TCGSim have ads?

TCGSim shows ads; Oh!Natto! ~納豆ネバネバシミュレーション~ does not.

### Which is updated more often, Oh!Natto! ~納豆ネバネバシミュレーション~ or TCGSim?

Oh!Natto! ~納豆ネバネバシミュレーション~ ships an update every 10 days, and TCGSim every 3 months. Most recently, Oh!Natto! ~納豆ネバネバシミュレーション~ was updated on October 5, 2026 and TCGSim 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.*