Comparison

Rice Pop vs Promise Jar

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

Head to head
About

Rice Pop

Features
Read full description

Rice Pop is a cozy study timer for students, writers, developers, and anyone who wants focus to feel calmer. Inspired by the simple ritual of cooking rice, Rice Pop helps you prepare your session, stay with your work, and finish with a satisfying pop. Set your focus duration, add the tasks you want to complete, and press start. As your session runs, a gentle bubbling soundscape plays in the background, giving you a soft sense of time passing without pulling your attention away. When the timer ends, your rice pops and your session is complete. A study timer with a ritual Rice Pop makes focus feel tangible. Instead of watching a plain countdown, you start the rice cooker, let your session simmer, and finish with a clear completion moment. Tasks before you start Write down what you want to finish before the session begins. Check tasks off as you go so every focus block ends with a record of what you accomplished. Ambient bubbling and steam sounds Stay focused with calming, organic audio generated on your device. The soundscape is designed to be present enough to create atmosphere and gentle enough to avoid distraction. Flexible study and work sessions Use Rice Pop for a quick 15-minute sprint, a classic focus block, a longer deep-work session, homework, exam prep, reading, writing, coding, or quiet creative work. Session history Review past sessions and see what you completed. Build a study habit one cooked session at a time. Made for iPhone and iPad Use Rice Pop on iPhone when you are on the move or on iPad as a calming desk, library, or study-room timer. Simple and lightweight No account is required. Your study workflow stays focused, calm, and easy to start. Download Rice Pop and make your next study session feel a little more satisfying.

About

Promise Jar

Features
Read full description

Remember every promise—without turning your life into another task list. Promise Jar is a warm, personal promise tracker for the commitments that build trust: calling someone back, returning what you borrowed, helping a friend, or keeping a promise to yourself. CAPTURE WHAT MATTERS • Save promises for other people or for yourself • Add a due date and an optional reminder • Include a note or photo for useful context • Set the person, category, and importance SEE WHAT NEEDS ATTENTION • Check today’s and upcoming promises • Search and filter your full list • Mark each promise as kept or missed • Review your history, progress, and people remembered MADE TO FEEL PERSONAL Promise Jar focuses on real commitments rather than endless tasks. There is no account to create. Your promise data stays on your device and can sync through iCloud when available. Choose from 10 supported languages. If you prefer an ad-free experience, ads can be removed with an optional one-time purchase. Little promises build lasting trust. Put them in your jar, remember them gently, and celebrate the ones you keep. Privacy Policy: https://1drv.ms/w/c/b575184f22a6ccb8/IQBUD4gf2hJqR6SGKRQ7bWtkATlDMXFzERmFbdNdxvLFWKU?e=dIwCqL Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Rice Pop4 screens
Promise Jar4 screens

Verdict

The call

The clearest difference is in-app purchases: Rice Pop at none against Promise Jar's 1. Rice Pop also leads on update cadence (every 3 days vs every 4 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Promise Jar sells 1 one-off in-app purchase. Rice Pop asks for nothing beyond the download.

UpkeepUpdate frequency

Rice Pop ships an update every 3 days, Promise Jar every 4 weeks. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 6 level
Rice Pop versus Promise Jar: the parameters behind the verdict, then further details
ParameterRice PopPromise Jar
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size9 MB15 MB
Age rating4+4+
DeveloperJTR Labs LLCAyhan Can Isidici

In-app purchases

None

Rice Pop

No in-app purchases

1 purchases

Promise Jar

One-time1
  • Remove Ads$9.90

Questions

Is Rice Pop free?
Rice Pop is free to download, with no in-app purchases.
Is Promise Jar free?
Promise Jar is free to download, with in-app purchases available.
Do Rice Pop or Promise Jar have ads?
Both Rice Pop and Promise Jar show ads.
Which is updated more often, Rice Pop or Promise Jar?
Rice Pop ships an update every 3 days, and Promise Jar every 4 weeks. Most recently, Rice Pop was updated on October 25, 2026 and Promise Jar on October 23, 2026.

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