# 24 vs Pridwin Preparatory School The clearest difference is update cadence: 24 at every 2 months against Pridwin Preparatory School's every 12 months. Pridwin Preparatory School's advantage is iOS requirement (10.0 vs 13.0). On price, ads, 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. 24 ships an update every 2 months, Pridwin Preparatory School every 12 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively. ## The numbers | Metric | 24 | Pridwin Preparatory School | | --- | --- | --- | | Price | Free | Free | | In-app purchases | No | No | | Ads | No | No | | Update frequency | **Every 2 months** | Every 12 months | | Size | 51 MB | 15 MB | | Requires iOS | 13.0 | **10.0** | | Devices | iPhone, iPod | **iPhone, iPad, iPod** | | Age rating | 4+ | 4+ | | Developer | [Oryx Systems CC](https://appshunter.io/developer/966072104) | [The Pridwin Foundation](https://appshunter.io/developer/1562270386) | ## What reviewers say ### 24 [App page](https://appshunter.io/ios/app/24-7-security/id1169390194) **In-app purchases:** none ### Pridwin Preparatory School [App page](https://appshunter.io/ios/app/pridwin-preparatory-school/id1562270384) **In-app purchases:** none ## Frequently asked questions ### Is 24 free? 24 is free to download, with no in-app purchases. ### Is Pridwin Preparatory School free? Pridwin Preparatory School is free to download, with no in-app purchases. ### Do 24 or Pridwin Preparatory School have ads? Neither 24 nor Pridwin Preparatory School shows ads. ### Which is updated more often, 24 or Pridwin Preparatory School? 24 ships an update every 2 months, and Pridwin Preparatory School every 12 months. Most recently, 24 was updated on October 24, 2026 and Pridwin Preparatory School on October 27, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*