Pi vs Vesper Pop
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Pi
Enhance your Pi memorization with this app. Features include writing your own "Piem," voice mode for reciting digits, performance statistics, and sound effects. Challenge friends and track your progress.
- Write your own Piem
- Voice mode for reciting digits
- Performance statistics
- Sound effects for memorization
- Game Center integration
- Challenge friends
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Pi - The Game is the #1 Pi app on the App Store! Improve your Pi memorization skills by using effective features introduced in the app including: - Write your own Piem - Use Voice mode to read out the digits out loud - View statistics on your performance to track your progress - Sound effects to help you memorize the digits - Reverse button order - Full Game Center integration - Challenge friends to beat your high score Subscription terms: - The subscription auto-renews at the end of each term. - Payment will be charged to iTunes Account at confirmation of purchase. - The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period. - You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Privacy policy and Terms of Use: https://applorium.com/privacy-pi-game
Vesper Pop
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Vesper is a small, calm space for letting go. Soft, glowing orbs drift across a dark, quiet screen. Tap one and it bursts into light — with a gentle pop and a spreading shockwave that can set off the orbs around it. Clear them all, take a breath, and start again. There is no score to chase, no timer, no failure. Just a slow, satisfying loop you can pick up for ten seconds or ten minutes. - Tap to pop. Simple, tactile, endlessly repeatable. - Chain reactions. Bursts ripple outward and set off nearby orbs. - Soft synthesized sound. Every pop has its own gentle tone — never harsh. - Hidden fortunes. Now and then an orb leaves a small, kind message behind. - Made to calm. Muted colors, no ads, no pressure, no accounts. Whatever you just popped, it wasn't real anyway. Vesper collects no data and needs no sign-in. Just open it and breathe. Created by Kate Wu.
Screenshots
Verdict
The clearest difference is in-app purchases: Vesper Pop at none against Pi's 6. Pi's advantage is iOS requirement (15.0 vs 18.5). 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. Pi sells 6 in-app purchases, starting at $3.99 per year. Vesper Pop asks for nothing beyond the download.
| Parameter | Pi | Vesper Pop |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.7K ratings) — better | — |
| Positive reviews | 89.3% of reviews | — |
| Number of ratings | 1.7K — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 9 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Applorium Ltd | Gregory Savage |
Bugs and requests
Pi
Reported bugs
3 issues- Leaderboard and achievements not updating correctly
- Interface issues after certain actions (e.g., unable to exit training mode)
- Purchases not always unlocking premium features
Requested features
4 requests- Voice recognition mode
- Tolerance for minor mistakes
- Support for other mathematical constants
- Dark mode option
Vesper Pop
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pi
- Pi - The Game Pro$3.991 Year
- Slice of Pie$3.99
- Upgrade$3.99
- Pi - The Game Pro$4.99
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- Half a pie$14.99
- A Whole pie$29.99
Vesper Pop
No in-app purchases









