# AI目標達成マンダラチャート vs Reading Savings

The clearest difference is ads: Reading Savings at none against AI目標達成マンダラチャート's shown. AI目標達成マンダラチャート's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. AI目標達成マンダラチャート sells 2 in-app purchases, starting at $1.99 per month and Reading Savings sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI目標達成マンダラチャート ships an update every 9 days, Reading Savings weekly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AI目標達成マンダラチャート | Reading Savings |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Weekly** |
| Size | 84 MB | 36 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ito Takaya](https://appshunter.io/developer/1682542285) | [Miyuki Fujirai](https://appshunter.io/developer/1838371790) |

## What reviewers say

### AI目標達成マンダラチャート

[App page](https://appshunter.io/ios/app/ai/id6744336094)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Plan (1mo·Auto-Renew) | $1.99 | per month |
| Ad-Free Plan (3mo·Auto-Renew) | $2.99 | per 3 months |


### 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 AI目標達成マンダラチャート free?

AI目標達成マンダラチャート is free to download, with in-app purchases available.

### Is Reading Savings free?

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

### Do AI目標達成マンダラチャート or Reading Savings have ads?

AI目標達成マンダラチャート shows ads; Reading Savings does not.

### Which is updated more often, AI目標達成マンダラチャート or Reading Savings?

AI目標達成マンダラチャート ships an update every 9 days, and Reading Savings weekly. Most recently, AI目標達成マンダラチャート was updated on October 28, 2026 and Reading Savings on October 30, 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.*