# FIREシミュレーション vs Accumulate+ Compound Interest

The clearest difference is update cadence: FIREシミュレーション at every 2 days against Accumulate+ Compound Interest's every 10 days. Accumulate+ Compound Interest's advantage is iOS requirement (16.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FIREシミュレーション ships an update every 2 days, Accumulate+ Compound Interest every 10 days. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | FIREシミュレーション | Accumulate+ Compound Interest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 13 MB | 11 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mario Tanaka](https://appshunter.io/developer/505921265) | [HIROSHI TANABE](https://appshunter.io/developer/1786283209) |

## What reviewers say

### FIREシミュレーション

[App page](https://appshunter.io/ios/app/fire/id6742209276)

**Features:** macOS Compatibility

**In-app purchases:** none


### Accumulate+ Compound Interest

[App page](https://appshunter.io/ios/app/accumulate-plus-compound-interest/id6752311892)

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

**In-app purchases:** none


## Frequently asked questions

### Is FIREシミュレーション free?

FIREシミュレーション is free to download, with no in-app purchases.

### Is Accumulate+ Compound Interest free?

Accumulate+ Compound Interest is free to download, with no in-app purchases.

### Do FIREシミュレーション or Accumulate+ Compound Interest have ads?

Both FIREシミュレーション and Accumulate+ Compound Interest show ads.

### Which is updated more often, FIREシミュレーション or Accumulate+ Compound Interest?

FIREシミュレーション ships an update every 2 days, and Accumulate+ Compound Interest every 10 days. Most recently, FIREシミュレーション was updated on October 5, 2026 and Accumulate+ Compound Interest on September 29, 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.*