JB Charging vs Zappy US
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JB Charging
Rent a portable battery to keep your devices charged on the go. Find rental stations easily and return batteries at any location within the network. Never worry about running out of power again.
- Portable battery rental
- Find rental stations
- Return batteries at any location
- Stay powered on the go
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Portable battery rental network. Stay Powered.
Zappy US
Rent a portable power bank to keep your devices charged while you're out and about. Never worry about a dead battery again and enjoy your day without interruption.
- Rent portable power banks
- Charge devices on the go
- Shared power bank network
- Enjoy uninterrupted day
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Get your power bank now and start to enjoy your day with Zappy! Charge your device on the go with our shared power banks.
Screenshots
Verdict
The clearest difference is rating: Zappy US at 4.6 against JB Charging's 4.3. Zappy US also leads on iOS requirement (13.0 vs 15.1). On price, review sentiment, ratings volume and update cadence 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.
Zappy US holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 71% of JB Charging's written reviews are positive against 75% of Zappy US's.
JB Charging ships an update every 6 weeks, Zappy US every 2 months. Both last shipped on October 24, 2026.
| Parameter | JB Charging | Zappy US |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (17 ratings) | 4.6 (10 ratings) — better |
| Positive reviews | 71.4% of reviews | 75.0% of reviews — better |
| Number of ratings | 17 — better | 10 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 120 MB |
| Age rating | 4+ | 9+ |
| Developer | Parth Darji | Needzappy USA Inc. |
Customer experience
JB Charging
Zappy US
In-app purchases
JB Charging
No in-app purchases
Zappy US
No in-app purchases
