# DayInBook vs FIRE計画

The clearest difference is ads: DayInBook at none against FIRE計画's shown. DayInBook also leads on update cadence (every 3 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. DayInBook sells 4 in-app purchases, starting at $1.99 per month and FIRE計画 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DayInBook ships an update every 3 days, FIRE計画 every 2 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DayInBook | FIRE計画 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [阳 曹](https://appshunter.io/developer/1599300891) | [towa imamoto](https://appshunter.io/developer/1869206632) |

## What reviewers say

### DayInBook

[App page](https://appshunter.io/ios/app/dayinbook-fire/id6756570968)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO月订阅 | $1.99 | per month |
| PRO年订阅 | $9.99 | per year |
| AI积分100 | $1.99 | one-time |
| AI积分1000 | $17.99 | one-time |


### FIRE計画

[App page](https://appshunter.io/ios/app/fire-fire/id6760005527)

This app helps you visualize your progress towards financial independence. Simply input your monthly living expenses and current assets to see your achievement rate and estimated time to reach your goals. It offers a simple, manual input method for tracking your financial journey.

**Highlights:** Visualize FIRE progress, Calculate required assets, Estimate achievement date, Simple manual asset recording, Record reminders, Asset growth graph (Premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | one-time |


## Frequently asked questions

### Is DayInBook free?

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

### Is FIRE計画 free?

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

### Do DayInBook or FIRE計画 have ads?

FIRE計画 shows ads; DayInBook does not.

### Which is updated more often, DayInBook or FIRE計画?

DayInBook ships an update every 3 days, and FIRE計画 every 2 months. Most recently, DayInBook was updated on October 4, 2026 and FIRE計画 on October 24, 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.*