ChargePOP vs 77.Z
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChargePOP
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Missing the important phonecall while walking on the road with a mobile phone out of electricity? Affecting your mood while traveling out with a mobile phone out of electricity? Are you dissatisified while listening a song or watching a moive with a mobile phone out of electricity?
77.Z
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77.Z is a high-performance power bank designed to provide reliable power for your electronic devices anytime and anywhere. With advanced fast-charging technology and a built-in safety protection system, it is compatible with smartphones, tablets, and other electronic devices. With its high-capacity battery, 77.Z ensures multiple device charges throughout the day. Its compact and lightweight design makes it easy to carry, whether you are traveling, working, or going about your daily routine. 77.Z is the perfect choice to keep your devices powered.
Screenshots
Verdict
ChargePOP and 77.Z are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.
| Parameter | ChargePOP | 77.Z |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 32 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | Xiamen whew electric technology co., LTD | IoT (Shenzhen) Sharing Technology Co., Ltd |
In-app purchases
ChargePOP
No in-app purchases
77.Z
No in-app purchases
