# 4 = 1 vs I'MLIT Learning The clearest difference is in-app purchases: 4 = 1 at none against I'MLIT Learning's 1. 4 = 1 also leads on update cadence (monthly vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them. Both are free to download. I'MLIT Learning sells 1 one-off in-app purchase. 4 = 1 asks for nothing beyond the download. 4 = 1 ships an update monthly, I'MLIT Learning every 14 months. The most recent releases landed on September 11, 2026 and August 21, 2026 respectively. ## The numbers | Metric | 4 = 1 | I'MLIT Learning | | --- | --- | --- | | Price | Free | Free | | In-app purchases | **No** | Yes | | Ads | No | No | | Update frequency | **Monthly** | Every 14 months | | Size | 0 MB | 97 MB | | Requires iOS | **16.0** | 17.6 | | Devices | iPhone | **iPhone, iPod** | | Age rating | 4+ | 17+ | | Developer | [Zoe Cutler](https://appshunter.io/developer/1616556209) | [I'M LIT LEARNING LLC](https://appshunter.io/developer/1796964286) | ## What reviewers say ### 4 = 1 [App page](https://appshunter.io/ios/app/4-1-math-game/id6479671530) **Features:** macOS Compatibility **In-app purchases:** none ### I'MLIT Learning [App page](https://appshunter.io/ios/app/imlit-learning/id6742123673) **In-app purchases (1)** | Purchase | Price | Billing | | --- | --- | --- | | Science Project Student Fun | $0.99 | one-time | ## Frequently asked questions ### Is 4 = 1 free? 4 = 1 is free to download, with no in-app purchases. ### Is I'MLIT Learning free? I'MLIT Learning is free to download, with in-app purchases available. ### Do 4 = 1 or I'MLIT Learning have ads? Neither 4 = 1 nor I'MLIT Learning shows ads. ### Which is updated more often, 4 = 1 or I'MLIT Learning? 4 = 1 ships an update monthly, and I'MLIT Learning every 14 months. Most recently, 4 = 1 was updated on September 11, 2026 and I'MLIT Learning on August 21, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*