# Kotodama Diary vs Nerve Challenges

The clearest difference is ads: Nerve Challenges at none against Kotodama Diary's shown. Kotodama Diary's advantage is ratings volume (3.1K vs 3). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Kotodama Diary sells 46 one-off in-app purchases and Nerve Challenges sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Kotodama Diary against 5.0 for Nerve Challenges. That said, the two scores are not equally well evidenced: Kotodama Diary has 3.1K ratings behind it against 3, so its average is the more settled of the two.

Kotodama Diary ships an update every 9 days, Nerve Challenges every 5 days. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Kotodama Diary | Nerve Challenges |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (3.1K ratings)](https://appshunter.io/ios/app/kotodama-diary/id1457331979/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nerve-challenges/id6757380228/reviews)** |
| Number of ratings | **3.1K** | 3 |
| Positive reviews | 88.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 626 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Polaris-x](https://appshunter.io/developer/1033798198) | [Vincent Batts-Jaczynski](https://appshunter.io/developer/1866504396) |

## What reviewers say

### Kotodama Diary

[App page](https://appshunter.io/ios/app/kotodama-diary/id1457331979)

Nurture unique virtual pets whose evolution is determined by the words you choose. Decorate their rooms, dress them in accessories, and discover over 100 bizarre species. A relaxing game for those who enjoy collecting and quirky characters.

**Highlights:** Word-based pet evolution, Collect over 100 species, Room decoration, Accessory customization, Gacha system for items, Relaxing gameplay

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

**In-app purchases (46)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Cluster | $0.99 | one-time |
| Mega Value Box | $1.99 | one-time |
| Summer Fashion Discount Pack | $1.99 | one-time |
| Event Ltd Mega Pack | $1.99 | one-time |
| Bronze Chinese New Year Pack | $1.99 | one-time |
| Dreamland Drowsy Set | $1.99 | one-time |
| Hole in the Wall Pack - Tall | $1.99 | one-time |
| Natural Black Pack | $1.99 | one-time |
| Powerful Power-Stone Pack | $1.99 | one-time |
| Valentine Patissiere Pack | $1.99 | one-time |
| Red Camelia Kotoshrine Pack | $1.99 | one-time |
| Ice Village Fishing Pack | $1.99 | one-time |
| Dress-up Pack | $1.99 | one-time |
| Twilit Alley dress-up Pack | $1.99 | one-time |
| Cupcake Pack | $1.99 | one-time |
| Natural Garden Fashion Pack | $1.99 | one-time |
| Gem Baggie | $2.99 | one-time |
| VALUE 30-day Daily Gem Pack | $3.99 | one-time |
| Pure White Pack | $5.99 | one-time |
| Deco Sticker Pack | $5.99 | one-time |
| Gal's Sunday Outfit Pack | $5.99 | one-time |
| Summer Festival Pack | $5.99 | one-time |
| Cyber Tech Pack | $5.99 | one-time |
| Noommy's Investigation Pack | $5.99 | one-time |
| Bakery Preparation Pack | $5.99 | one-time |
| KotodamanniversaryPack | $5.99 | one-time |
| Pupcasso's Breezy Atelier | $5.99 | one-time |
| Overworked Programmer Pack | $5.99 | one-time |
| Kotodama School Years Pack | $5.99 | one-time |
| Loapher's BIG COMFY pack | $5.99 | one-time |
| Snowy Camelia Kotoshrine Pack | $5.99 | one-time |
| Gem Bag | $5.99 | one-time |
| Dougho Box | $5.99 | one-time |
| Ad-free Box | $5.99 | one-time |
| Event Limited Mega Pack | $5.99 | one-time |
| Twilit Alley good-looking Pack | $5.99 | one-time |
| Friends of the Third Kind Pack | $6.99 | one-time |
| Luxurious Vampire Manor Pack | $6.99 | one-time |
| Kototreasure Balloon Pack | $6.99 | one-time |
| 【33%OFF!】Gem Big Bag | $9.99 | one-time |
| Gem Big Bag | $14.99 | one-time |
| Partylads Box | $14.99 | one-time |
| Valentine Sweet Heart Pack | $17.99 | one-time |
| Gem Chest | $29.99 | one-time |
| Crystal Dougho Pack | $34.99 | one-time |
| Gem Mountain | $59.99 | one-time |

**What reviewers like**

- 💕 Cute and adorable characters
- 👍 Relaxing and engaging gameplay
- 🤩 Unique and creative concept
- 🙌 Positive and kind community
- 🎨 Customizable rooms and accessories

**What reviewers complain about**

- 🤖 Frequent and intrusive ads
- 🐢 Slow progression and heart regeneration
- 🤔 Limited interaction with Kotodummies
- 💰 In-app purchases feel necessary

**Reported bugs**

- Game crashes or freezes
- Ads not loading or getting stuck
- Restoration of in-app purchases not working

**Requested features**

- Ability to chat or interact with Kotodummies
- More furniture and room customization options
- Easier way to obtain new Kotodummies
- Ability to save and restore progress across devices
- Mini-games or additional activities


### Nerve Challenges

[App page](https://appshunter.io/ios/app/nerve-challenges/id6757380228)

Engage in a social app featuring fun, bold, and creative dares. Earn virtual tokens to unlock cosmetic upgrades and enhance your profile. Challenges are skill-based, focusing on entertainment and creativity without real money or prizes.

**Highlights:** Complete fun and creative dares, Earn virtual tokens, Unlock cosmetic upgrades, Build and customize your profile, Skill-based challenges, No real money involved

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Tokens | $2.99 | one-time |
| 250 Tokens | $6.99 | one-time |
| 500 Tokens | $12.99 | one-time |
| 1000 Tokens | $19.99 | one-time |
| 2500 Tokens | $39.99 | one-time |


## Frequently asked questions

### Is Kotodama Diary free?

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

### Is Nerve Challenges free?

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

### Which has better reviews, Kotodama Diary or Nerve Challenges?

Nerve Challenges is rated higher. Kotodama Diary averages 4.9 out of 5 from 3.1K ratings, while Nerve Challenges averages 5.0 from 3 ratings.

### Do Kotodama Diary or Nerve Challenges have ads?

Kotodama Diary shows ads; Nerve Challenges does not.

### Which is updated more often, Kotodama Diary or Nerve Challenges?

Kotodama Diary ships an update every 9 days, and Nerve Challenges every 5 days. Most recently, Kotodama Diary was updated on October 19, 2026 and Nerve Challenges 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.*