Biifore vs Jstamp Store
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Biifore
Monitor your electric vehicle's battery health proactively. Get a quick and accurate assessment of battery deterioration without needing to visit a service center. Regular use ensures more precise diagnostics for a greener and safer tomorrow.
- Proactive EV battery care
- Fast, simple, accurate assessment
- No service center visit required
- Diagnoses within 1 minute after charging
- Monitors current and future battery states
- Uses patented HEI technology
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Biifore's very first version is available now! Greener Today, Safer Tomorrow! The battery, that can be analogized as the heart of an electric vehicle, also requires proper care for its health state. "Umm… it had a lot of lifetime left, but suddenly it seems to be decreasing. What’s going on?" "The charging capacity doesn't seem the same as before... Is something wrong?" "It still feels healthy, so why is its lifespan is indicated decreasing?" Even if you have doubts about your battery's condition, have you ever hesitated to ellaborate it due to the inconvenience and cost of a service center visit? Biifore, utilizing HEI's patented technology, provides a fast, simple, and accurate assessment of your EV battery deterioration, for both current and future states. You don’t need to visit a service center. Simply, just charge your EV as usual. You will receive a health diagnosis of your EV’s battery within just 1 minute after charging. That’s it. No extra devices, processes, or energy consumption are needed. One thing to note. Use Biifore on a regular basis, for more accurate diagnostics! Required Permission: Location - Used to determine the user's current location in order to provide nearby charging station locations. Notifications - Required to provide calculation results after charging. Customer Support: Email: contact@thinkhei.com Phone: 070-4518-0541
Jstamp Store
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[Overview] Turn walk-ins into loyal customers with Jstamp(https://jstamp.net) Seamlessly set up digital stamp programs, issue rewards, and elevate customer engagement. Join now to transform your loyalty strategy! [How to Use the Jstamp Store App] 1. Create a Jstamp Loyalty Program Account: - Sign up for a Jstamp Loyalty Program account. 2. Login: - Log in using your Jstamp Loyalty Program dashboard credentials. 3. Setup Joining Display (Jstamp Dashboard): - Print: Download and print the Joining Display PDF. - Place: Display it in your store for customers to scan and download the Jstamp app. 4. Issue Stamps to Customers: - Scan QR Code: When a customer shows their Jstamp app QR code, open the Jstamp Store App and select QR Code Scan to issue stamps. 5. Redeem Rewards: - Scan Coupon: When customers present their reward coupon, scan the QR code to validate and redeem the reward. Note: This service requires a subscription to the Jstamp Loyalty Program plan. [Required access rights] - Camera: Used to scan reward QR codes
Screenshots
Verdict
The clearest difference is update cadence: Biifore at every 3 weeks against Jstamp Store's every 6 weeks. Jstamp Store's advantage is iOS requirement (16.0 vs 18.6). 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.
Biifore ships an update every 3 weeks, Jstamp Store every 6 weeks. The most recent releases landed on August 15, 2026 and September 12, 2026 respectively.
| Parameter | Biifore | Jstamp Store |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | HEI Corp. | BOXTREE CO., LTD. |
In-app purchases
Biifore
No in-app purchases
Jstamp Store
No in-app purchases









