# 禁煙貯金 | 禁煙して節約！ vs NightRing

The clearest difference is in-app purchases: 禁煙貯金 | 禁煙して節約！ at none against NightRing's 6. 禁煙貯金 | 禁煙して節約！ also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NightRing sells 6 in-app purchases, starting at $1.49 per month. 禁煙貯金 | 禁煙して節約！ asks for nothing beyond the download.

禁煙貯金 | 禁煙して節約！ ships an update every 2 months, NightRing every 6 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 禁煙貯金 | 禁煙して節約！ | NightRing |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Kazuya Kobayashi](https://appshunter.io/developer/906985632) | [Hiroyuki Kako](https://appshunter.io/developer/1581721316) |

## What reviewers say

### 禁煙貯金 | 禁煙して節約！

[App page](https://appshunter.io/ios/app/id6746349138)

Track money saved by quitting smoking in real-time. Set savings goals and get motivated by seeing your progress. Customize settings to match your smoking habits and manage your quit history.

**Highlights:** Real-time savings calculation, Set savings goals, Customize smoking habits, Track quit history, Simple and intuitive interface

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

**In-app purchases:** none


### NightRing

[App page](https://appshunter.io/ios/app/nightring/id6790335160)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.49 | per month |
| Plus Yearly | $11.99 | per year |
| Coffee | $2.99 | one-time |
| Good Burger | $9.99 | one-time |
| Plus Lifetime | $24.99 | one-time |
| Dinner | $29.99 | one-time |


## Frequently asked questions

### Is 禁煙貯金 | 禁煙して節約！ free?

禁煙貯金 | 禁煙して節約！ is free to download, with no in-app purchases.

### Is NightRing free?

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

### Do 禁煙貯金 | 禁煙して節約！ or NightRing have ads?

Both 禁煙貯金 | 禁煙して節約！ and NightRing show ads.

### Which is updated more often, 禁煙貯金 | 禁煙して節約！ or NightRing?

禁煙貯金 | 禁煙して節約！ ships an update every 2 months, and NightRing every 6 weeks. Most recently, 禁煙貯金 | 禁煙して節約！ was updated on November 8, 2026 and NightRing on November 5, 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.*