Comparison

aLock vs FieldSync PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

aLock

Manage your screen time effectively by setting usage limits for apps and automatically restricting them when limits are reached. This app helps users, including children, focus better by blocking distractions and inappropriate content. A free trial is available for premium features.

Highlights
  • Set app usage limits
  • Automatic app restriction
  • Manual app restriction/restoration
  • Focus enhancement for children
  • Distraction blocking
  • Free trial for premium features
Features
Read full description

It is a very useful screen time management app that allows you to set usage limits for apps and automatically restrict apps when the limit is reached. Additionally, you can manually restrict or restore applications as needed. - Use of social media and games can be limited to help children focus better and block inappropriate content. - A time limit for the app can be set to help you not get distracted by the app. Start a free trial to access all premium features - You can subscribe for unlimited access to all premium features - Within 24 hours before the end of the free trial period, the change fee calculated according to the subscription plan will be automatically debited from your account - You can cancel the auto-renewal at any time, if the cancellation occurs at least 24 hours before the end of the current period Support: tinfineapp@outlook.com Privacy Policy: https://decisive-store-bd5.notion.site/Privacy-Policy-3930ce2f70bf41df93666e029f0a1d19 Terms of Use: https://decisive-store-bd5.notion.site/Terms-Conditions-7dcac12bf71f41edbee0e260df02c563

About

FieldSync PRO

Features
Read full description

No cloud delays. No email size limits. Just send. Tired of waiting an hour to transfer job site photos to a Windows PC? FieldSync PRO solves that — encrypt, send a URL, done. As we continually improve the app, if there is any discrepancy between this description and the actual behavior, the app's behavior takes precedence. 【3 Simple Steps】 1. Select photos and set a passcode 2. Send the URL by email 3. Recipient opens it in any browser — no app needed 【Security】 Photos are AES-encrypted on your device before upload. The server cannot decrypt your data. All data is automatically deleted 48 hours after sending. 【Key Features】 ・AES-encrypted photo sharing ・No app required to view — opens in any browser ・ZIP download available ・Auto-deleted after 48 hours ・Send history with resend option ・Japanese and English support 【PRO Plan】 ・Send approximately 40 photos per session ・Send to up to 5 recipients at once ・Import contacts directly from your address book 【Free Plan】 ・Up to 2 photos and 1 recipient — free forever Perfect for construction, manufacturing, real estate, medical, and any field work requiring fast, secure photo sharing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

aLock4 screens
FieldSync PRO2 screens

Verdict

The call

The clearest difference is update cadence: FieldSync PRO at weekly against aLock's every 3 weeks. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. aLock sells 3 in-app purchases, starting at $2.99 per 7 days and FieldSync PRO sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

aLock ships an update every 3 weeks, FieldSync PRO weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
aLock versus FieldSync PRO: the parameters behind the verdict, then further details
ParameteraLockFieldSync PRO
PriceFreeFree
Rating4.7 (32 ratings) — better—
Positive reviews44.4% of reviews—
Number of ratings32 — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size7 MB7 MB
Age rating4+4+
Developer裕涛 兰Masashi Konno

In-app purchases

3 purchases

aLock

Subscriptions2
  • App Lock for 1 week3 Days trial$2.997 Days
  • App Lock for 1 year3 Days trial$9.991 Year
One-time1
  • App Lock Premium$19.99
1 purchases

FieldSync PRO

Subscriptions1
  • FieldSync PRO Monthly$2.991 Month

Questions

Is aLock free?
aLock is free to download, with in-app purchases available.
Is FieldSync PRO free?
FieldSync PRO is free to download, with in-app purchases available.
Do aLock or FieldSync PRO have ads?
Neither aLock nor FieldSync PRO shows ads.
Which is updated more often, aLock or FieldSync PRO?
aLock ships an update every 3 weeks, and FieldSync PRO weekly. Most recently, aLock was updated on October 27, 2026 and FieldSync PRO on October 28, 2026.

Other comparisons