# NoteSphere vs Reading Savings

The clearest difference is in-app purchases: NoteSphere at none against Reading Savings's 1. NoteSphere also leads on iOS requirement (12.0 vs 15.1). Reading Savings's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Reading Savings sells 1 one-off in-app purchase. NoteSphere asks for nothing beyond the download.

NoteSphere ships an update every 9 days, Reading Savings weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | NoteSphere | Reading Savings |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Weekly** |
| Size | 35 MB | 36 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi Miyakoshi](https://appshunter.io/developer/1769350603) | [Miyuki Fujirai](https://appshunter.io/developer/1838371790) |

## What reviewers say

### NoteSphere

[App page](https://appshunter.io/ios/app/notesphere/id6753328778)

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

**In-app purchases:** none


### Reading Savings

[App page](https://appshunter.io/ios/app/reading-savings-book-tracker/id6756208773)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 読書貯金プレミアム | $19.99 | one-time |


## Frequently asked questions

### Is NoteSphere free?

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

### Is Reading Savings free?

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

### Do NoteSphere or Reading Savings have ads?

NoteSphere shows ads; Reading Savings does not.

### Which is updated more often, NoteSphere or Reading Savings?

NoteSphere ships an update every 9 days, and Reading Savings weekly. Most recently, NoteSphere was updated on October 28, 2026 and Reading Savings on October 28, 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.*