# Geometry Stash vs Keopi

The clearest difference is in-app purchases: Geometry Stash at none against Keopi's 3. Geometry Stash also leads on iOS requirement (15.6 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Keopi sells 3 in-app purchases, starting at $4.99 per month. Geometry Stash asks for nothing beyond the download.

Geometry Stash ships an update every 6 weeks, Keopi every 2 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Geometry Stash | Keopi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/geometry-stash/id324651852/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 3 MB | 6 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anson Liu](https://appshunter.io/developer/1024660369) | [Francisco Rodriguez](https://appshunter.io/developer/1869187171) |

## What reviewers say

### Geometry Stash

[App page](https://appshunter.io/ios/app/geometry-stash/id324651852)

Access geometry theorems, postulates, and corollaries with descriptions and diagrams. Create and share custom slides with a built-in editor, exporting them in various formats. Ideal for students and educators needing a portable reference.

**Highlights:** Geometry theorem reference, Diagrams for geometric terms, Custom slide creation editor, Vector graphic slide export, iOS Spotlight Search integration, Slide Over and Split View support, Bulk slide import for educators

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Very useful reference
- 👍 Handy for studying
- 👍 Quick navigation
- 👍 Clear explanations
- 👍 Good diagrams

**What reviewers complain about**

- 🐛 Missing formulas/theorems
- 🐛 Not powerful enough
- 🐛 Simple design
- 🐛 Not a teaching device
- 🐛 Needs more definitions

**Reported bugs**

- Wrong theorems
- Minor bugs fixed

**Requested features**

- More detailed illustrations
- More theorems
- More definitions of terms
- More activities for students
- Interactive elements


### Keopi

[App page](https://appshunter.io/ios/app/keopi/id6760085384)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keopi Premium Monthly | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| Streak Freeze 3-Pack | $0.99 | one-time |


## Frequently asked questions

### Is Geometry Stash free?

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

### Is Keopi free?

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

### Do Geometry Stash or Keopi have ads?

Neither Geometry Stash nor Keopi shows ads.

### Which is updated more often, Geometry Stash or Keopi?

Geometry Stash ships an update every 6 weeks, and Keopi every 2 months. Most recently, Geometry Stash was updated on October 15, 2026 and Keopi on October 6, 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.*