# back2book vs One

The clearest difference is in-app purchases: One at none against back2book's 1. One also leads on update cadence (daily vs every 8 months). back2book's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. back2book sells 1 one-off in-app purchase. One asks for nothing beyond the download.

back2book ships an update every 8 months, One daily. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | back2book | One |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 27 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TinkaTinka](https://appshunter.io/developer/505803809) | [All About Housing LLC](https://appshunter.io/developer/1773925650) |

## What reviewers say

### back2book

[App page](https://appshunter.io/ios/app/back2book/id714095374)

Create a printable backup of your iPhone contacts. Easily generate a wallet-sized paper phone book from your stored numbers. Perfect for ensuring you always have important contacts accessible, even without your device.

**Highlights:** Paper backup of phone numbers, Create wallet-sized phone book, Simple and fast process, Uses normal printer, Backup all stored contacts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |


### One

[App page](https://appshunter.io/ios/app/one-tap-translate/id6738339111)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is back2book free?

back2book is free to download, with in-app purchases available.

### Is One free?

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

### Do back2book or One have ads?

One shows ads; back2book does not.

### Which is updated more often, back2book or One?

back2book ships an update every 8 months, and One daily. Most recently, back2book was updated on October 23, 2026 and One on October 7, 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.*