AppLocker vs StringKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AppLocker
Securely hide your private photos, videos, and files using advanced authentication methods like FaceID, fingerprint, or PIN. Manage passwords and protect your sensitive data with this comprehensive vault.
- Photo and video vault
- File hiding
- Password management
- FaceID/Fingerprint/PIN access
- Continuous subscription options
Read full descriptionHide full description
AppLocker is a very popular photo, video, file, password, etc. You can access your private files by using FaceID, lock screen password, fingerprint, PIN code. [Instructions for Continuous Subscription] 1. Subscription service: continuous (monthly/seasonal/annual) membership 2. Subscription period: one month/one quarter/one year; During the subscription period, users can experience the Vip membership function 3. Payment: After confirming the purchase, the payment will be deducted from the user's Apple iTunes account 4. Cancel Subscription: To cancel the auto-renewal, please turn off the auto-renewal at least 24 hours before the expiration of the subscription period. No charges will be charged after turning off the auto-renewal 5. Renewal: 24 hours before the expiration of a continuous (month/season/year) membership, Apple will automatically decharge the corresponding fee from your iTunes account. After success (month/season/year) membership service validity will be automatically extended for one period 6. Privacy policy: https://docs.qingque.cn/d/home/eZQCzcpoB3jO8zk-Wyan85477?identityId=1qqKFxQIpd6 7. Continuous subscription agreement: https://docs.qingque.cn/d/home/eZQCXa55LnUZqYIQZ3ooyeKMS?identityId=1qqKFxQIpd6
StringKit
Read full descriptionHide full description
The ultimate companion for text and data processing. StringKit offers a powerful set of utilities to clean, format, and transform your text instantly. From batch editing to string conversion, handle complex data tasks directly on your mobile device. Offline, secure, and built for professional efficiency.
Screenshots
Verdict
The clearest difference is in-app purchases: StringKit at none against AppLocker's 3. StringKit also leads on update cadence (daily vs every 5 weeks). On price, ads, device support and iOS requirement 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. AppLocker sells 3 in-app purchases, starting at $3.99 per month. StringKit asks for nothing beyond the download.
AppLocker ships an update every 5 weeks, StringKit daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | AppLocker | StringKit |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | 海连 马 | Anuj Naik |
In-app purchases
AppLocker
- Month Membership1 Month trial$3.991 Month
- Season Membership3 Months trial$9.993 Months
- Year Membership1 Year trial$29.991 Year
StringKit
No in-app purchases









