nikki vs Land Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
nikki
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.
- 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)
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Wanna write your secret diary...?? Here is the perfect app for you!! ◎Functions 1. Pictures can be inserted into each article. 2. There is a memo function: You can take notes in a chat format. 3. It can be used as a schedule book by writing on a future date. 4. You can lock the app with a password. It corresponds also to Face ID, Touch ID. 5. There are various fun stamps. ◎Change the timeline theme as you like (3 types) 1. Pinboard type with an emphasis on photos 2. List type with an emphasis on articles 3. Calendar type with an emphasis on practicality
Land Calculator
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土地探しや家づくりをサポートする土地面積計算アプリ。 ・坪・平米・帖の相互変換 ・建ぺい率・容積率シミュレーション ・必要な土地面積の逆算 ・計算履歴の保存 住宅購入前の土地比較や建築計画に役立ちます。
Screenshots
Verdict
The clearest difference is in-app purchases: Land Calculator at none against nikki's 2. Land Calculator also leads on update cadence (fortnightly vs every 2 months). nikki's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. nikki sells 2 one-off in-app purchases. Land Calculator asks for nothing beyond the download.
nikki ships an update every 2 months, Land Calculator fortnightly. The most recent releases landed on November 1, 2026 and October 14, 2026 respectively.
| Parameter | nikki | Land Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 98.1% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | REVOLAB Inc. | Yusuke Morimoto |
In-app purchases
nikki
- 添付画像を10枚にUP$2.99
- 広告非表示（広告を外す）$7.99
Land Calculator
No in-app purchases
Questions
Is nikki free?
Is Land Calculator free?
Do nikki or Land Calculator have ads?
Which is updated more often, nikki or Land Calculator?
Other comparisons
