# Visolve for iPhone vs 2FA TOTP Authenticator

The clearest difference is price: Visolve for iPhone at Free against 2FA TOTP Authenticator's $0.99. Visolve for iPhone also leads on iOS requirement (11.0 vs 26.0). 2FA TOTP Authenticator's advantage is update cadence (every 5 weeks vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Visolve for iPhone is free to download; 2FA TOTP Authenticator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Visolve for iPhone ships an update every 11 months, 2FA TOTP Authenticator every 5 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Visolve for iPhone | 2FA TOTP Authenticator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/visolve-for-iphone/id324196121/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 15 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Ryobi Systems Co.,Ltd.](https://appshunter.io/developer/422237051) | [捷 凌](https://appshunter.io/developer/1509023962) |

## What reviewers say

### Visolve for iPhone

[App page](https://appshunter.io/ios/app/visolve-for-iphone/id324196121)

This utility app assists individuals with color vision deficiency by transforming images and webpages to enhance color distinction. It offers various filters and simulations to help users perceive colors differently or understand how color-blind individuals see the world.

**Highlights:** Red-Green color transform, Blue-Yellow color transform, Saturation increase, Color filtering, Hatching patterns, Color blindness simulation, Image and webpage transformation

**Features:** macOS Compatibility

**In-app purchases:** none


### 2FA TOTP Authenticator

[App page](https://appshunter.io/ios/app/2fa-totp-authenticator-widget/id1509275023)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Visolve for iPhone free?

Visolve for iPhone is free to download, with no in-app purchases.

### Is 2FA TOTP Authenticator free?

2FA TOTP Authenticator costs $0.99, with no in-app purchases.

### Do Visolve for iPhone or 2FA TOTP Authenticator have ads?

Neither Visolve for iPhone nor 2FA TOTP Authenticator shows ads.

### Which is updated more often, Visolve for iPhone or 2FA TOTP Authenticator?

Visolve for iPhone ships an update every 11 months, and 2FA TOTP Authenticator every 5 weeks. Most recently, Visolve for iPhone was updated on October 7, 2026 and 2FA TOTP Authenticator on October 2, 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.*