# Old Coin Identifier vs Mao Reader

The clearest difference is update cadence: Old Coin Identifier at every 4 days against Mao Reader's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Old Coin Identifier sells 4 in-app purchases, starting at $2.99 per 7 days and Mao Reader sells 2 in-app purchases, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

Old Coin Identifier ships an update every 4 days, Mao Reader every 2 months. Both last shipped on September 9, 2026.

## The numbers

| Metric | Old Coin Identifier | Mao Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 46 MB | 776 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EternalBeam Software](https://appshunter.io/developer/1795031062) | [洪吉 王](https://appshunter.io/developer/1888032826) |

## What reviewers say

### Old Coin Identifier

[App page](https://appshunter.io/ios/app/old-coin-identifier-value/id6758401211)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $2.99 | per 7 days |
| Premium Weekly | $3.99 | per 7 days |
| Premium Access | $17.99 | per year |
| Premium Yearly | $34.99 | per year |


### Mao Reader

[App page](https://appshunter.io/ios/app/mao-reader/id6770492168)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包年会员 | $3.99 | per year |
| 研读永久版 | $7.99 | one-time |


## Frequently asked questions

### Is Old Coin Identifier free?

Old Coin Identifier is free to download, with in-app purchases available.

### Is Mao Reader free?

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

### Do Old Coin Identifier or Mao Reader have ads?

Neither Old Coin Identifier nor Mao Reader shows ads.

### Which is updated more often, Old Coin Identifier or Mao Reader?

Old Coin Identifier ships an update every 4 days, and Mao Reader every 2 months. Most recently, Old Coin Identifier was updated on September 9, 2026 and Mao Reader on September 9, 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.*