Amperry vs Skillbook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Amperry
Rent portable power banks on demand to keep your smartphone charged throughout the day. Register easily to access convenient charging solutions and stay connected wherever you go.
- Instant power bank rental
- Stay connected on the go
- Easy registration
- Smartphone charging solution
- Daily power bank service
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Amperry is the instant daily power bank rental service that helps you stay connected and continue doing what you love with your smartphone. Register to start using the service
Skillbook
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SkillBook: The Most Systematic Way to Track Your Skill Growth SkillBook is an application designed to help you systematically learn and track your progress in various fields such as sports, music, and academics. Earn XP and level up just like in an RPG, and continuously improve through structured retrospectives. Key Features XP-Based Growth System Earn XP based on practice duration, success counts, and accuracy to level up. We provide a clear growth path for every skill, from beginner to expert. Systematic Skill Management Select and practice skills that match your level from a library structured by difficulty. Our recommendation system suggests prerequisite skills to guide you through an efficient learning path. Detailed Practice Logs Track practice time and success/failure ratios. What went well Points for improvement Feeling of success (Emotional feedback) Next goals Write insightful retrospectives using these structured notes.
Screenshots
Verdict
The clearest difference is update cadence: Skillbook at every 10 days against Amperry's every 6 weeks. Skillbook also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Amperry ships an update every 6 weeks, Skillbook every 10 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.
| Parameter | Amperry | Skillbook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 135 MB | 40 MB |
| Age rating | 4+ | 9+ |
| Developer | Tomorrow Tech s.r.l | yoongun lee |
In-app purchases
Amperry
No in-app purchases
Skillbook
No in-app purchases
