# iD vs Bubble Spa

The clearest difference is in-app purchases: Bubble Spa at none against iD's 2. Bubble Spa also leads on ads (none vs shown) and update cadence (weekly vs every 23 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. iD sells 2 in-app purchases, starting at $4.99 per 7 days. Bubble Spa asks for nothing beyond the download.

iD ships an update every 23 months, Bubble Spa weekly. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | iD | Bubble Spa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (31 ratings)](https://appshunter.io/ios/app/id-authenticator-app/id6478457556/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 19 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丹丹 李](https://appshunter.io/developer/1666474477) | [EMCAN-TEC](https://appshunter.io/developer/1649090170) |

## What reviewers say

### iD

[App page](https://appshunter.io/ios/app/id-authenticator-app/id6478457556)

This app provides secure, encrypted authentication codes for your online accounts. It supports industry-standard algorithms and offers multiple ways to add entries, including importing from other apps. Organize your codes with custom icons and search functionality, with automatic backups to iCloud.

**Highlights:** Encrypted vault with password/biometric unlock, Compatible with Google/Microsoft Authenticator, Supports HOTP and TOTP algorithms, QR code scanning and manual entry, Import from other authenticator apps, Custom icons and search functionality, Automatic iCloud backups

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium | $4.99 | per 7 days |
| Yearly premium | $59.99 | per year |


### Bubble Spa

[App page](https://appshunter.io/ios/app/bubble-spa/id6569262212)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iD free?

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

### Is Bubble Spa free?

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

### Do iD or Bubble Spa have ads?

iD shows ads; Bubble Spa does not.

### Which is updated more often, iD or Bubble Spa?

iD ships an update every 23 months, and Bubble Spa weekly. Most recently, iD was updated on September 9, 2026 and Bubble Spa on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*