# SmartSolve vs Libstackz

The clearest difference is in-app purchases: Libstackz at none against SmartSolve's 13. Libstackz also leads on ads (none vs shown). SmartSolve's advantage is update cadence (fortnightly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SmartSolve sells 13 in-app purchases, starting at $6.99 per 7 days. Libstackz asks for nothing beyond the download.

SmartSolve ships an update fortnightly, Libstackz every 3 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SmartSolve | Libstackz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.6K ratings)](https://appshunter.io/ios/app/smartsolve-tutor-and-math-help/id6475809834/reviews)** | — |
| Number of ratings | **3.6K** | — |
| Positive reviews | 66.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 173 MB | 41 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Niknea LLC](https://appshunter.io/developer/1725265570) | [Ziqx CC](https://appshunter.io/developer/1874658523) |

## What reviewers say

### SmartSolve

[App page](https://appshunter.io/ios/app/smartsolve-tutor-and-math-help/id6475809834)

This AI-powered app offers instant solutions to academic and coding problems by scanning them. It also enhances language skills, rewrites text, and provides coding assistance and trivia challenges.

**Highlights:** Scan and solve math problems with step-by-step explanations, Instant solutions for math equations, Enhance language skills with grammar hints and translation, Advanced text rewriting and paraphrasing, Learn and optimize coding with explanations, Engage in trivia to test knowledge

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $12.99 | per month |
| Monthly Subscription | $12.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Monthly Subscription | $14.99 | per month |
| Monthly Subscription | $19.99 | per month |
| 6 Months Subscription | $59.99 | per 6 months |
| Annual Subscription | $59.99 | per year |
| 6 Months Subscription | $59.99 | per 6 months |
| Annual Subscription | $99.99 | per year |

**What reviewers like**

- 🚀 Fast and accurate
- 👍 Helpful for homework and learning
- 💡 Explains solutions well
- 🚀 Easy to use

**What reviewers complain about**

- 🐛 Inaccurate answers
- 🔒 Difficult to cancel subscription
- 🔒 Charges without authorization
- 🔒 Unresponsive customer support

**Reported bugs**

- Subscription page doesn't load properly
- App crashes or freezes
- Incorrect solutions provided

**Requested features**

- More free questions per day
- Ability to scan and solve handwritten/image-based problems


### Libstackz

[App page](https://appshunter.io/ios/app/libstackz/id6758733568)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartSolve free?

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

### Is Libstackz free?

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

### Do SmartSolve or Libstackz have ads?

SmartSolve shows ads; Libstackz does not.

### Which is updated more often, SmartSolve or Libstackz?

SmartSolve ships an update fortnightly, and Libstackz every 3 months. Most recently, SmartSolve was updated on October 11, 2026 and Libstackz 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.*