# Stack the States® vs KeysKeep

The clearest difference is price: KeysKeep at Free against Stack the States®'s $2.99. KeysKeep also leads on rating (5.0 vs 4.4) and update cadence (every 2 weeks vs every 3 months). Stack the States®'s advantage is ratings volume (2.2K vs 3) and chart position (#3 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

KeysKeep is free to download; Stack the States® costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KeysKeep holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Stack the States® has 2.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 91% of Stack the States®'s written reviews are positive against 100% of KeysKeep's.

Stack the States® ships an update every 3 months, KeysKeep every 2 weeks. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stack the States® | KeysKeep |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.4 (2.2K ratings)](https://appshunter.io/ios/app/stack-the-states/id381342267/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/keyskeep/id6754389079/reviews)** |
| Number of ratings | **2.2K** | 3 |
| Positive reviews | 90.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#3** | — |
| Size | 99 MB | 49 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Freecloud Design, Inc.](https://appshunter.io/developer/324355664) | [Emaginesites, LLC](https://appshunter.io/developer/1848136756) |

## What reviewers say

### Stack the States®

[App page](https://appshunter.io/ios/app/stack-the-states/id381342267)

**Currently charting:** #3 Top Paid · Education, #44 Top Paid (US App Store)

Learn about the 50 US states through a fun and interactive game. Collect all states, unlock bonus games, and master capitals, shapes, flags, and more. This app makes geography engaging for all ages.

**Highlights:** Learn state capitals, shapes, and flags, Interactive drag-and-drop gameplay, Collect all 50 states on a personalized map, Unlock four bonus educational games, Hundreds of unique questions, Create multiple player profiles

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 No ads/tracking
- 👍 Fun and educational
- 👍 Helpful for learning states
- 👍 Nostalgic/childhood game
- 👍 Great for all ages

**What reviewers complain about**

- 🐛 Capital drop glitch
- 🔍 Needs more content after completing all states
- 🔍 Difficulty level may be too high for younger kids

**Reported bugs**

- Washington state mapping issue
- Battery drain when app returns to home screen

**Requested features**

- Ability to view completed states again
- Add more state facts/trivia
- Include background photos related to states
- Add a country-wide puzzle mode
- Option to turn off state faces


### KeysKeep

[App page](https://appshunter.io/ios/app/keyskeep/id6754389079)

This app helps piano students build consistent practice habits through goal setting, smart reminders, and streak tracking. It uses behavioral science principles to make practice engaging and rewarding, visualized through progress tracking and motivational nudges.

**Highlights:** Goal setting and progress tracking, Smart practice reminders, Streak visualization and motivation, Habit formation science, Minimalist dark theme design, Distraction-free typography

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack the States® free?

Stack the States® costs $2.99, with no in-app purchases.

### Is KeysKeep free?

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

### Which has better reviews, Stack the States® or KeysKeep?

KeysKeep is rated higher. Stack the States® averages 4.4 out of 5 from 2.2K ratings, while KeysKeep averages 5.0 from 3 ratings.

### Do Stack the States® or KeysKeep have ads?

Neither Stack the States® nor KeysKeep shows ads.

### Which is updated more often, Stack the States® or KeysKeep?

Stack the States® ships an update every 3 months, and KeysKeep every 2 weeks. Most recently, Stack the States® was updated on October 13, 2026 and KeysKeep on September 29, 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.*