# TMA sCity vs Authenticator

The clearest difference is in-app purchases: TMA sCity at none against Authenticator's 16. TMA sCity also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Authenticator sells 16 in-app purchases, starting at $1.99 per month. TMA sCity asks for nothing beyond the download.

TMA sCity ships an update every 10 days, Authenticator fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TMA sCity | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (42 ratings)](https://appshunter.io/ios/app/authenticator-otp-manager/id6736586860/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 119 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TMA Mobile Solutions (TMS)](https://appshunter.io/developer/397093678) | [VIDUS TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1771341575) |

## What reviewers say

### TMA sCity

[App page](https://appshunter.io/ios/app/tma-scity/id6720729332)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-otp-manager/id6736586860)

This app securely manages your two-factor authentication codes with end-to-end encryption and cloud backup. It offers automatic multi-device synchronization and works offline, supporting thousands of major services.

**Highlights:** Secure & Private Encryption, Encrypted Cloud Backup, Automatic Multi-Device Sync, Works Offline, Multiple Import Options, Supports Major Services

**Features:** Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly, One Time Offer | $1.99 | per month |
| Authenticator App - Weekly Special | $3.99 | per 7 days |
| Authenticator App Premuim - Weekly | $7.99 | per 7 days |
| Weekly Flex Security | $7.99 | per 7 days |
| Authenticator App - Premium | $7.99 | per 7 days |
| Monthly Full Security | $9.99 | per month |
| Annual, One Time Offer | $9.99 | per year |
| Authenticator App - Weekly Premium | $14.99 | per 7 days |
| Authenticator App - Special | $17.99 | per year |
| Authenticator App - Annual Special | $19.99 | per year |
| Authenticator App - Premium | $49.99 | per year |
| Annual Security | $49.99 | per year |
| Annual Elite Security | $49.99 | per year |
| Lifetime Premium - Special | $39.99 | one-time |
| Authenticator App - Lifetime | $49.99 | one-time |
| Authenticator App - Premium | $99.99 | one-time |


## Frequently asked questions

### Is TMA sCity free?

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

### Is Authenticator free?

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

### Do TMA sCity or Authenticator have ads?

Neither TMA sCity nor Authenticator shows ads.

### Which is updated more often, TMA sCity or Authenticator?

TMA sCity ships an update every 10 days, and Authenticator fortnightly. Most recently, TMA sCity was updated on October 25, 2026 and Authenticator on October 24, 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.*