# StudyPack Math vs OpenLitterMap

The clearest difference is ads: StudyPack Math at none against OpenLitterMap's shown. StudyPack Math also leads on iOS requirement (12.0 vs 15.0). OpenLitterMap's advantage is update cadence (every 3 weeks vs every 14 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StudyPack Math ships an update every 14 months, OpenLitterMap every 3 weeks. The most recent releases landed on September 10, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | StudyPack Math | OpenLitterMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (9 ratings)](https://appshunter.io/ios/app/openlittermap/id1475982147/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 5 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Spade Apps, LLC](https://appshunter.io/developer/532346089) | [Sean Lynch](https://appshunter.io/developer/1475982146) |

## What reviewers say

### StudyPack Math

[App page](https://appshunter.io/ios/app/studypack-math/id1438914999)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenLitterMap

[App page](https://appshunter.io/ios/app/openlittermap/id1475982147)

Contribute to a global database of litter and plastic pollution by taking photos and tagging them. The interactive map visualizes pollution data, allowing users to create custom tags and see live updates. Participate in a worldwide competition to collect the most data.

**Highlights:** Interactive global litter map, Photo tagging of pollution, Customizable tag creation, Live map updates, Open source data, Country-based data collection competition

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

**In-app purchases:** none


## Frequently asked questions

### Is StudyPack Math free?

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

### Is OpenLitterMap free?

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

### Do StudyPack Math or OpenLitterMap have ads?

OpenLitterMap shows ads; StudyPack Math does not.

### Which is updated more often, StudyPack Math or OpenLitterMap?

StudyPack Math ships an update every 14 months, and OpenLitterMap every 3 weeks. Most recently, StudyPack Math was updated on September 10, 2026 and OpenLitterMap on June 20, 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.*