# bartleby vs MZI Classes

The clearest difference is update cadence: bartleby at monthly against MZI Classes's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. bartleby sells 1 in-app purchase, starting at $9.99 per month and MZI Classes sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

bartleby ships an update monthly, MZI Classes every 8 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | bartleby | MZI Classes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (2.5K ratings)](https://appshunter.io/ios/app/bartleby-math-homework-helper/id1522219588/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 24.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Subscription | — |
| Size | 47 MB | 147 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Barnes & Noble Education, Inc.](https://appshunter.io/developer/1522219590) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### bartleby

[App page](https://appshunter.io/ios/app/bartleby-math-homework-helper/id1522219588)

Get expert help with your toughest homework assignments and problems. Access millions of step-by-step explanations and receive 24/7 Q&A support from subject matter experts. Study smarter with a vast digital library of resources.

**Highlights:** 8+ Million Step-by-Step Explanations, 24/7 Expert Q&A Support, Digital Database of Resources, Support for 30+ Subjects, Mobile Access to Homework Help

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bartleby Learn Subscription | $9.99 | per month |

**What reviewers like**

- 🚀 Quick response time
- 💡 Detailed step-by-step explanations
- 👍 Helpful for academic subjects
- 🚀 Efficient for getting homework help

**What reviewers complain about**

- 🐛 App crashes and glitches
- ⏱️ Long wait times for answers
- 🔒 Difficult to cancel subscription
- 💰 Expensive for limited usage
- 🤔 Inconsistent quality of answers

**Reported bugs**

- White screen issues when submitting questions
- Login problems and account access errors
- Subscription and billing issues

**Requested features**

- Improve iPad app support
- Add a 'report incorrect answer' feature
- Provide access to past questions asked
- Enhance mobile app stability and performance


### MZI Classes

[App page](https://appshunter.io/ios/app/mzi-classes/id6745729111)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AG | $22.99 | one-time |
| Package - AJ | $24.99 | one-time |
| Package - AP | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


## Frequently asked questions

### Is bartleby free?

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

### Is MZI Classes free?

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

### Do bartleby or MZI Classes have ads?

Neither bartleby nor MZI Classes shows ads.

### Which is updated more often, bartleby or MZI Classes?

bartleby ships an update monthly, and MZI Classes every 8 months. Most recently, bartleby was updated on October 19, 2026 and MZI Classes on October 15, 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.*