Comparison

DaysUntilWhen vs AI.Assistant

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

Head to head
About

DaysUntilWhen

Track the days remaining until important events with customizable home screen widgets. This app helps you visualize your countdowns for holidays and other significant dates, keeping you informed and excited.

Highlights
  • Customizable widgets
  • Holiday countdowns
  • Home screen display
  • Event tracking
  • User-requested features
Features
Read full description

Always know how many days are left until your favorite holidays with Holiday Countdown Widgets! This simple but useful app provides customizable widgets that display holiday countdowns right on your home screen. More holidays are in the works! Let us know what you want to see! DaysUntilWhen falls under the Apple EULA found here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

AI.Assistant

Features
Read full description

AI Artificial Intelligence (Chinese Version), equipped with cutting - edge large models, serves you anytime and anywhere. It facilitates diverse creations and paintings, significantly enhancing the efficiency of your life and work. So, what can you do with it? 1. AI Q&A Leveraging powerful models like DS R1 and Doubao, our AI excels in language understanding and communication. Its chat mode is highly realistic, allowing it to blend seamlessly into various conversation scenarios. Whether chatting about daily anecdotes, popular movies, or delving into academic challenges and industry trends, it can communicate fluently. Thanks to its self - learning ability, it keeps evolving and is always ready to answer various questions accurately, delivering a high - quality interaction experience. 2. Painting Creation The platform offers a wide range of styles. If you're at a loss for prompt words, you can add a vast amount of creative vocabulary with just one click, quickly completing your paintings and bringing your ideas to life. 3. Free Writing In aspects such as songwriting, poetry writing, daily writing, code programming, video script creation, and posting on social media, it continuously provides inspiration, making the creative process easy. Friendly reminder: AI responses are based on large - model data and may not be comprehensive or precise enough. When using it, please use your own judgment and refer to the content provided by AI reasonably. Subscription Terms of Service 1. Subscription Details * AI Assistant offers [Weekly/Monthly/Annual] subscription plans, providing full access to Pro features. * Subscription prices are clearly displayed within the app and may vary by region. All charges will be processed through your iTunes Account. 2. Auto - Renewal * Your subscription will automatically renew at the end of each billing cycle (weekly/monthly/annual) unless turned off at least 24 hours before the current period ends. * You will be charged for renewal within 24 hours prior to the end of the current period. 3. Free Trial (Optional) * If offered, a [3 - day] free trial will begin immediately after confirmation. * The subscription will automatically convert to a paid plan at the end of the trial period unless canceled. 4. How to Cancel * You can manage/cancel subscriptions at any time:
Go to iPhone Settings → AI Assistant → Subscriptions → Select AI Assistant → Cancel Subscription * Cancellation takes effect after the current billing period. 5. Price Changes * We reserve the right to adjust subscription prices. Changes will be communicated via email or in - app notifications at least 30 days in advance. 6. Refund Policy * All payments are non - refundable except as required by law. For refund requests, contact Apple Support directly: https://support.apple.com/en-us/HT204084 7. Contact Us * For subscription issues: https://docs.google.com/document/d/1DtC-cUUyeNhVxMx-SV3z3ruH7OYKDyLShfAdZiA3qmQ/edit?usp=sharing 8. Privacy Policy * Your data is protected under our Privacy Policy: https://docs.google.com/document/d/1nj4hYCaAJ-EzQ463meeIFoLK0Q9Z4wAHXBTiGNqyc6Y/edit?usp=sharing 9. Terms of Use (EULA) * Terms of Use: https://docs.google.com/document/d/1DtC-cUUyeNhVxMx-SV3z3ruH7OYKDyLShfAdZiA3qmQ/edit?usp=sharing

Screenshots

DaysUntilWhen4 screens
AI.Assistant3 screens

Verdict

The call

DaysUntilWhen and AI.Assistant are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. DaysUntilWhen sells 1 one-off in-app purchase and AI.Assistant sells 5 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DaysUntilWhen ships an update monthly, AI.Assistant every 3 weeks. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

ScorecardNo meaningful differences
DaysUntilWhen versus AI.Assistant: the parameters behind the verdict, then further details
ParameterDaysUntilWhenAI.Assistant
PriceFreeFree
Rating5.0 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size9 MB38 MB
Age rating4+4+
DeveloperRobert J Sarvis Jr武装 陈

In-app purchases

1 purchases

DaysUntilWhen

One-time1
  • Advanced Holiday Alerts$1.99
5 purchases

AI.Assistant

Subscriptions5
  • Weekly Pro3 Days trial$7.997 Days
  • Pro Weekly$7.997 Days
  • Monthly Pro3 Days trial$14.991 Month
Show 2 more
  • Yearly Pro3 Days trial$29.991 Year
  • Pro Yearly$29.991 Year

Questions

Is DaysUntilWhen free?
DaysUntilWhen is free to download, with in-app purchases available.
Is AI.Assistant free?
AI.Assistant is free to download, with in-app purchases available.
Do DaysUntilWhen or AI.Assistant have ads?
Neither DaysUntilWhen nor AI.Assistant shows ads.
Which is updated more often, DaysUntilWhen or AI.Assistant?
DaysUntilWhen ships an update monthly, and AI.Assistant every 3 weeks. Most recently, DaysUntilWhen was updated on November 4, 2026 and AI.Assistant on November 8, 2026.

Other comparisons