# nikki vs Mankiw

nikki and Mankiw both sit at 5.0 stars, but that hides the real split: 98% of nikki's written reviews are positive against 0% of Mankiw's. Mankiw's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. nikki sells 2 one-off in-app purchases. Mankiw asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for nikki against 5.0 for Mankiw. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 98% of nikki's written reviews are positive against 0% of Mankiw's.

nikki ships an update every 2 months, Mankiw monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | nikki | Mankiw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/nikki-diary/id921470934/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/mankiw/id1121972849/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | **98.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 9 MB |
| Requires iOS | 15.6 | **7.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REVOLAB Inc.](https://appshunter.io/developer/575787284) | [文清 毕](https://appshunter.io/developer/906277621) |

## What reviewers say

### nikki

[App page](https://appshunter.io/ios/app/nikki-diary/id921470934)

This app allows you to keep a private diary with rich media. You can add photos, take notes in a chat format, and use it as a planner. Security features include password and biometric locks, with customizable themes to personalize your journaling experience.

**Highlights:** Insert pictures into diary entries, Chat-style memo function, Use as a future date schedule book, Password and biometric app lock, Various fun stamps, Customizable timeline themes (Pinboard, List, Calendar)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 添付画像を10枚にUP | $2.99 | one-time |
| 広告非表示（広告を外す） | $7.99 | one-time |


### Mankiw

[App page](https://appshunter.io/ios/app/mankiw/id1121972849)

This app provides real-time GPS tracking for personnel or goods. It offers features like location history, electronic fencing, and safety monitoring for children or valuable items.

**Highlights:** Real-time GPS tracking, Location history records, Electronic fence creation, Personnel and goods safety monitoring, Child safety features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is nikki free?

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

### Is Mankiw free?

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

### Which has better reviews, nikki or Mankiw?

nikki and Mankiw are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do nikki or Mankiw have ads?

nikki shows ads; Mankiw does not.

### Which is updated more often, nikki or Mankiw?

nikki ships an update every 2 months, and Mankiw monthly. Most recently, nikki was updated on November 1, 2026 and Mankiw on November 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.*