# Authenticator App++ vs TripMemo

The clearest difference is in-app purchases: TripMemo at none against Authenticator App++'s 4. TripMemo also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App++ sells 4 in-app purchases, starting at $5.99 per 7 days. TripMemo asks for nothing beyond the download.

Authenticator App++ ships an update every 2 months, TripMemo every 3 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Authenticator App++ | TripMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 28 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WuHan ChongYue Future Technology Co., Ltd.](https://appshunter.io/developer/1751681836) | [Samuel Whitton](https://appshunter.io/developer/1845061565) |

## What reviewers say

### Authenticator App++

[App page](https://appshunter.io/ios/app/authenticator-app-plus-plus/id6504280340)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator PRO Weekly | $5.99 | per 7 days |
| Authenticator App PRO Monthly | $9.99 | per month |
| Authenticator Pro Offer | $19.99 | per year |
| Authenticator PRO Yearly | $39.99 | per year |


### TripMemo

[App page](https://appshunter.io/ios/app/tripmemo/id6753794022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App++ free?

Authenticator App++ is free to download, with in-app purchases available.

### Is TripMemo free?

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

### Do Authenticator App++ or TripMemo have ads?

Neither Authenticator App++ nor TripMemo shows ads.

### Which is updated more often, Authenticator App++ or TripMemo?

Authenticator App++ ships an update every 2 months, and TripMemo every 3 weeks. Most recently, Authenticator App++ was updated on September 30, 2026 and TripMemo on October 5, 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.*