Comparison

UntilSince vs Future Past

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

Head to head
About

UntilSince

Track past and future events with a simple interface. See time remaining until upcoming events or time elapsed since past occurrences. Ideal for managing deadlines, anniversaries, or personal milestones.

Highlights
  • Track future events
  • Track past events
  • Countdown timer
  • Time elapsed counter
  • Recurring event tracking
  • Reverse to-do list
Features
Read full description

UntilSince provides a simple way to keep track of events that happened or have yet to happen. There are two main sections in the app. Until - Here you can see the time until the events are away Since - Here you see past events and the time since the events occured Keep up with events that have happened, have yet to happen, recur regularly or happen counted. UntilSince can be used to keep track how long ago events happend, as a reverse todo list or as a reminder how long until events.

About

Future Past

Track important dates with a simple timeline. See days remaining or days past for any event. Syncs with your iOS Calendar and offers widgets for quick access.

Highlights
  • Off-calendar event timeline
  • iOS Calendar sync
  • Calendar view for event browsing
  • iOS widgets
  • Unlimited events (Pro)
  • Unlimited calendar integration (Pro)
Features
Read full description

Your important dates. Made simple. Add any event to see the days remaining or the days past. Future Past pulls the events you choose from your calendars into one clean, focused timeline — no more digging through calendar hell to find what matters. Features: Unified timeline — past and future events from your chosen calendars in one continuously scrolling view Favorites - star your most important dates to pin them to the top Fast search - find any event instantly, typos and all Home Screen widgets - see your next event or pin a specific one, right on your Home Screen Native calendar editing - add and edit events with the calendar picker you already know Future Past is free to use, with your timeline showing 1 week ahead and behind. Unlock Pro - a timeline that stretches up to 100 years - in either of two ways: watch a short ad for 24 hours of Pro access, no purchase required, or subscribe to Future Past Pro. Future Past Pro subscription: monthly, auto-renewing. The price is shown in the app before you subscribe. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the end of the period. You can manage or cancel your subscription anytime in your Apple Account settings after purchase. Privacy Policy: https://talkingchickenfriend.com/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

UntilSince3 screens
Future Past3 screens

Verdict

The call

The clearest difference is rating: Future Past at 5.0 against UntilSince's 3.8. Future Past also leads on update cadence (every 2 weeks vs monthly). UntilSince's advantage is in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Future Past sells 1 one-off in-app purchase. UntilSince asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Future Past holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

UntilSince ships an update monthly, Future Past every 2 weeks. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
UntilSince versus Future Past: the parameters behind the verdict, then further details
ParameterUntilSinceFuture Past
PriceFreeFree
Rating3.8 (4 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better1
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size3 MB12 MB
Age rating4+4+
DeveloperDavid WalterTalking Chicken Friend

Customer experience

UntilSince

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Future Past

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

UntilSince

No in-app purchases

1 purchases

Future Past

One-time1
  • Future Past Pro$14.99

Questions

Is UntilSince free?
UntilSince is free to download, with no in-app purchases.
Is Future Past free?
Future Past is free to download, with in-app purchases available.
Which has better reviews, UntilSince or Future Past?
Future Past is rated higher. UntilSince averages 3.8 out of 5 from 4 ratings, while Future Past averages 5.0 from 1 ratings.
Do UntilSince or Future Past have ads?
Neither UntilSince nor Future Past shows ads.
Which is updated more often, UntilSince or Future Past?
UntilSince ships an update monthly, and Future Past every 2 weeks. Most recently, UntilSince was updated on October 24, 2026 and Future Past on October 24, 2026.

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