# 99math vs Strings Learning Lab

99math and Strings Learning Lab are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 99math sells 15 in-app purchases, starting at $9.99 per month and Strings Learning Lab sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 99math | Strings Learning Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (182 ratings)](https://appshunter.io/ios/app/99math-pet-squad/id6472210505/reviews)** | — |
| Number of ratings | **182** | — |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 304 MB | 146 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [99math OÜ](https://appshunter.io/developer/1720659494) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### 99math

[App page](https://appshunter.io/ios/app/99math-pet-squad/id6472210505)

This app makes math practice fun and engaging for children in grades 1-6 through gamified exercises. It offers interactive learning with real-time feedback, rewards, and customizable elements to keep kids motivated. The app also supports classroom assignments and remote learning.

**Highlights:** Gamified math practice, Interactive learning with feedback, Collectibles and rewards system, Classroom and assignment features, Customizable avatars and pets, Tailored to grades 1-6

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pass | $9.99 | per month |
| Monthly Pass | $9.99 | per month |
| Yearly Pass | $59.99 | per year |
| mBucks 20 pack | $1.99 | one-time |
| mBucks 40 pack | $3.99 | one-time |
| mBucks 84 pack | $7.99 | one-time |
| mBucks 88 pack | $7.99 | one-time |
| mBucks 2100 pack | $9.99 | one-time |
| mBucks 200 pack | $17.99 | one-time |
| mBucks 4500 pack | $19.99 | one-time |
| mBucks 260 pack | $19.99 | one-time |
| mBucks 7600 pack | $29.99 | one-time |
| mBucks 500 pack | $39.99 | one-time |
| mBucks 1330 pack | $49.99 | one-time |
| Math Pass lifetime | $149.99 | one-time |


### Strings Learning Lab

[App page](https://appshunter.io/ios/app/strings-learning-lab/id6752326257)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AT | $34.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is 99math free?

99math is free to download, with in-app purchases available.

### Is Strings Learning Lab free?

Strings Learning Lab is free to download, with in-app purchases available.

### Do 99math or Strings Learning Lab have ads?

Neither 99math nor Strings Learning Lab shows ads.

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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.*