# AI Calculator & Math Solver vs Authenticator

The clearest difference is rating: AI Calculator & Math Solver at 5.0 against Authenticator's 4.5. AI Calculator & Math Solver also leads on ads (none vs shown). Authenticator's advantage is ratings volume (25 vs 5) and iOS requirement (14.0 vs 18.2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. AI Calculator & Math Solver sells 3 in-app purchases, starting at $4.99 per 7 days and Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Calculator & Math Solver holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Authenticator has 25 ratings behind it against 5, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 10, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | AI Calculator & Math Solver | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ai-calculator-and-math-solver/id6743431046/reviews)** | [4.5 (25 ratings)](https://appshunter.io/ios/app/authenticator-secure-2fa-auth/id6749149708/reviews) |
| Number of ratings | 5 | **25** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 73 MB |
| Requires iOS | 18.2 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lori Nguyen](https://appshunter.io/developer/1872689629) | [Timon Scherzinger](https://appshunter.io/developer/1895022963) |

## What reviewers say

### AI Calculator & Math Solver

[App page](https://appshunter.io/ios/app/ai-calculator-and-math-solver/id6743431046)

This app offers instant math solutions with step-by-step explanations for various math problems, from basic arithmetic to calculus. It features AI-powered recognition of handwritten and typed equations, a scanner, graphing capabilities, and unit conversion.

**Highlights:** Instant math solutions, Step-by-step explanations, AI-powered problem solving, Equation scanner, Graphing calculator, Unit & currency converter

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solver PRO (weekly) | $4.99 | per 7 days |
| Solver PRO (monthly) | $12.99 | per month |
| Solver PRO (yearly) | $39.99 | per year |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-secure-2fa-auth/id6749149708)

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

**Highlights:** Organize 2FA tokens and passwords, Offline code generation, Built-in secure browser, Manage existing codes and passwords (free), Unlimited code/password creation (premium), Face ID access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $17.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is AI Calculator & Math Solver free?

AI Calculator & Math Solver is free to download, with in-app purchases available.

### Is Authenticator free?

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

### Which has better reviews, AI Calculator & Math Solver or Authenticator?

AI Calculator & Math Solver is rated higher. AI Calculator & Math Solver averages 5.0 out of 5 from 5 ratings, while Authenticator averages 4.5 from 25 ratings.

### Do AI Calculator & Math Solver or Authenticator have ads?

Authenticator shows ads; AI Calculator & Math Solver does not.

### Which is updated more often, AI Calculator & Math Solver or Authenticator?

AI Calculator & Math Solver ships an update weekly, and Authenticator weekly. Most recently, AI Calculator & Math Solver was updated on September 10, 2026 and Authenticator on September 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.*