Aikido vs PDE Pro Database Engineer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aikido
Learn Aikido with 43 guided video lessons covering balance breaking, movement flow, and foundational techniques. Organize your practice with structured sections, favorites, and progress tracking. Access content through a one-time unlock or an annual subscription.
- 43 guided video lessons
- Offline access
- Organized collections
- Progress tracking
- Favorites
- Playback controls
Read full descriptionHide full description
A focused Aikido video library for learning the shape, timing, and flow of each movement. Explore 43 offline lessons organized into five collections: balance breaking, awase, ma-ai and tai sabaki, kokyu-ryoku, and Aikido basics. Clear thumbnails, structured sections, favorites, progress, and playback controls make it easy to return to the detail you want to practice. The first video in every collection is free. Browse all five collections, then continue with either a one-time Full Access unlock or an annual subscription. Eligible annual subscribers can begin with a three-day free trial. Purchases can be restored on your other supported devices. Practice safely with a qualified instructor and within your own ability. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PDE Pro Database Engineer
Read full descriptionHide full description
PASS YOUR PROFESSIONAL CLOUD DATABASE ENGINEER EXAM 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Certified Google Cloud database engineers earn up to $203K annually (Skillsoft 2024). Professional Cloud Database Engineer validates expertise in designing, managing, and troubleshooting scalable database solutions. WHAT YOU'LL MASTER: Database capacity planning and performance tuning High availability with multi-regional and zonal strategies Database connectivity with networking and encryption Managed vs unmanaged services comparison SQL and NoSQL requirements for structured and unstructured data IAM and access management for database security Monitoring with query optimization and resource contention Backup and recovery with RTO, RPO, and PITR Cost optimization and scaling strategies Database migration with zero-downtime and fallback plans Replication strategies and read replicas Generative AI and LLM database use cases STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into database engineering expertise. Download now. Pass your exam. Master Google Cloud databases.
Screenshots
Verdict
The clearest difference is in-app purchases: PDE Pro Database Engineer at none against Aikido's 6. PDE Pro Database Engineer also leads on update cadence (every 3 months vs every 71 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Aikido sells 6 in-app purchases, starting at $5.99 per year. PDE Pro Database Engineer asks for nothing beyond the download.
Aikido ships an update every 71 months, PDE Pro Database Engineer every 3 months. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.
| Parameter | Aikido | PDE Pro Database Engineer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 71 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 1.8 GB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Appsolute LLC | Davy Raitt |
In-app purchases
Aikido
- Annual Full Access3 Days trial$5.991 Year
- Kokyu Ryoku$0.99
- Basic Movements$0.99
- Awase Principle$3.99
Show 2 moreShow fewer
- Maai and Tai Sabaki$4.99
- Full Access — Lifetime$7.99
PDE Pro Database Engineer
No in-app purchases
Questions
Is Aikido free?
Is PDE Pro Database Engineer free?
Do Aikido or PDE Pro Database Engineer have ads?
Which is updated more often, Aikido or PDE Pro Database Engineer?
Other comparisons















