invsi vs Prompt Pal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
invsi
This app helps parents manage their children's device usage by controlling screen time and blocking inappropriate content. It offers a local-only experience with no ads or registration, prioritizing user privacy.
- Screen time management
- Content blocking
- No advertisements
- Local data storage
- No registration required
- Premium features via subscription
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invsi helps you keep photos, videos, and files private. You can also lock apps. When you lend someone your phone, you decide what they can access. 【Private Space】 Import the photos, videos, and files you want to protect, then enter your passcode to view them. Choose from different ways to keep your content private. 【App Lock】 Lock selected apps whenever you need to, or set a timer to unlock them automatically. When your child uses your phone, you can restrict access to games and other apps and block inappropriate content. 【Our Philosophy】 No ads. No notifications. No sign-up required. All your data stays on your phone. Please back up anything important. Less is more. --- Privacy --- invsi runs locally on your device. We have no servers and cannot upload your personal data. This also means we cannot recover your passcode, so please keep it safe. --- Contact --- We welcome your suggestions and feedback. Email: invisilab@gmail.com Xiaohongshu: 独库车神 X(twitter):@invisilab_x --- Subscriptions --- - Basic features are free to use. - Become an invsi member to unlock all premium features. - Payment will be charged to your Apple Account when you confirm your purchase. - Subscriptions renew automatically unless you turn off auto-renewal at least 24 hours before the current billing period ends. - You can manage or cancel your subscription at any time after purchase in Settings → your name → Subscriptions. ---Additional Information--- Privacy Policy: https://maxc.cc/privacy-policy/ Terms of Use: https://maxc.cc/user-agreement/
Prompt Pal
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PromptPal is a simple promptpal which can be used in daily life, speech, live broadcast, singing and other public occasions. We also provided a metronome for music lovers to help users
Screenshots
Verdict
The clearest difference is price: invsi at Free against Prompt Pal's $99.99. invsi also leads on device support. Prompt Pal's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 17.0).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
invsi is free to download; Prompt Pal costs $99.99 up front. invsi sells 4 in-app purchases, starting at $0.99 per month. Prompt Pal asks for nothing beyond the download.
| Parameter | invsi | Prompt Pal |
|---|---|---|
| Price | Free — better | $99.99 |
| Rating | 4.1 (8 ratings) — better | — |
| Positive reviews | 96.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | — |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | 新坤 杨 | 宗仁 李 |
In-app purchases
invsi
- Monthly PRO3 Days trial$0.991 Month
- Invsi PRO (Annual)7 Days trial$4.991 Year
- Unlock Application Icon$0.99
- Lifetime PRO$14.99
Prompt Pal
No in-app purchases









