# MindSpan Memory Booster vs 123 The clearest difference is review sentiment: 123 at 75% against MindSpan Memory Booster's 0%. 123 also leads on ratings volume (1.4K vs 2) and iOS requirement (9.0 vs 15.6). MindSpan Memory Booster's advantage is update cadence (fortnightly vs every 2 months) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them. Both are free to download. Neither carries in-app purchases, so what you see is what you pay. MindSpan Memory Booster holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 123 has 1.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 0% of MindSpan Memory Booster's written reviews are positive against 75% of 123's, so the app with the better star average is not the one people write more warmly about. MindSpan Memory Booster ships an update fortnightly, 123 every 2 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively. ## The numbers | Metric | MindSpan Memory Booster | 123 | | --- | --- | --- | | Price | Free | Free | | Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mindspan-memory-booster/id1111781150/reviews)** | [4.8 (1.4K ratings)](https://appshunter.io/ios/app/123-brain-training-brain-games-memory-games/id1173773518/reviews) | | Number of ratings | 2 | **1.4K** | | Positive reviews | 0.0% of reviews | **75.2% of reviews** | | In-app purchases | No | No | | Ads | No | No | | Update frequency | **Fortnightly** | Every 2 months | | Monetization | Free | Free | | Size | 5 MB | 23 MB | | Requires iOS | 15.6 | **9.0** | | Devices | iPhone, iPad, iPod | iPhone, iPad, iPod | | Age rating | 4+ | 4+ | | Developer | [Bothina Elzoobi](https://appshunter.io/developer/991489487) | [Picup Inc.](https://appshunter.io/developer/955448004) | ## What reviewers say ### MindSpan Memory Booster [App page](https://appshunter.io/ios/app/mindspan-memory-booster/id1111781150) Train your working memory with a simple yet challenging game. Observe moving shapes and recall their details like color and pattern to progress. Improve your cognitive skills essential for learning and focus. **Highlights:** Observe and recall moving geometric shapes, Identify shape, color, and pattern, Increasing difficulty with speed and complexity, Trains working memory and cognitive skills, Focuses on fluid intelligence and learning ability **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none ### 123 [App page](https://appshunter.io/ios/app/123-brain-training-brain-games-memory-games/id1173773518) Enhance your memory, IQ, and cognitive abilities with brain training exercises. This app focuses on improving peripheral vision and reducing eye movement to boost your right brain's potential. **Highlights:** Improve memory, Enhance IQ, Boost cognition, Develop creativity, Increase speed reading, Peripheral vision training **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none **What reviewers like** - 🚀 Helps focus and have patience - 👍 Easy to understand and use - 👍 Enjoyable brain training - 👍 Effective training tool - 👍 Improves eye-hand coordination **What reviewers complain about** - 🐛 Doesn't progress past initial explanation - 🐛 Crashes or doesn't work - 🔍 Unclear instructions - 💰 Excessive ads that can't be skipped - 💰 Requires 5-star rating to reduce ads **Reported bugs** - Doesn't progress past initial explanation - Crashes or doesn't work - Unclear instructions **Requested features** - Dark mode option - More advanced difficulty levels ## Frequently asked questions ### Is MindSpan Memory Booster free? MindSpan Memory Booster is free to download, with no in-app purchases. ### Is 123 free? 123 is free to download, with no in-app purchases. ### Which has better reviews, MindSpan Memory Booster or 123? MindSpan Memory Booster is rated higher. MindSpan Memory Booster averages 5.0 out of 5 from 2 ratings, while 123 averages 4.8 from 1.4K ratings. ### Do MindSpan Memory Booster or 123 have ads? Neither MindSpan Memory Booster nor 123 shows ads. ### Which is updated more often, MindSpan Memory Booster or 123? MindSpan Memory Booster ships an update fortnightly, and 123 every 2 months. Most recently, MindSpan Memory Booster was updated on November 2, 2026 and 123 on November 6, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*