# SimpleTools vs Piri

The clearest difference is rating: Piri at 5.0 against SimpleTools's 3.0. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days and Piri sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Piri holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SimpleTools ships an update every 4 weeks, Piri fortnightly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SimpleTools | Piri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/simpletools-math-solver/id6759453418/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piri-ai-question-solver/id6761361099/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Freemium | Freemium |
| Size | 18 MB | 19 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) | [Ibrahim Halil TOPRAK](https://appshunter.io/developer/1889120565) |

## What reviewers say

### SimpleTools

[App page](https://appshunter.io/ios/app/simpletools-math-solver/id6759453418)

Instantly solve math and statistics problems with AI-powered step-by-step explanations. Snap a photo of any problem to get a clear, structured solution and chat with AI for further clarification. Ideal for students and parents seeking to understand problem-solving methods.

**Highlights:** AI-powered math problem solving, Photo scan for instant solutions, Step-by-step explanations, Chat with AI for clarification, Solves algebra, calculus, statistics, and more, Unlimited scans with premium subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


### Piri

[App page](https://appshunter.io/ios/app/piri-ai-question-solver/id6761361099)

This app uses advanced AI to instantly solve complex academic questions from photos. It provides step-by-step explanations and uses spaced repetition to reinforce learning. Organize your solved problems into custom folders and identify weak spots with smart analysis.

**Highlights:** Instant AI-powered question solving, Step-by-step problem explanations, Smart spaced repetition learning, Unlimited subject folders for organization, Weak spot analysis widget, Photo-to-solution functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piri Premium Aylık | $8.99 | per month |
| Piri Premium | $79.99 | per year |


## Frequently asked questions

### Is SimpleTools free?

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

### Is Piri free?

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

### Which has better reviews, SimpleTools or Piri?

Piri is rated higher. SimpleTools averages 3.0 out of 5 from 2 ratings, while Piri averages 5.0 from 1 ratings.

### Do SimpleTools or Piri have ads?

Neither SimpleTools nor Piri shows ads.

### Which is updated more often, SimpleTools or Piri?

SimpleTools ships an update every 4 weeks, and Piri fortnightly. Most recently, SimpleTools was updated on October 31, 2026 and Piri on November 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.*