Comparison

RMMBA vs Reto

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

Head to head
About

RMMBA

Features
Read full description

This app show any phone number in all possible alphanumeric styles. You enter a phone number that you want to remember and you will get all possible numpad letter variations. You can then pick one that is easiest to remember for you. Perfect for remembering important phone numbers of your spouse, children or colleagues. For example: 4663 becomes GOOD. Since 4 on the phone pad is also where the G is, 6 is where the O is and so on.

About

Reto

This app allows you to manage your personal schedule and easily share events with others. You can also add photos and diaries to past events, creating shared memories with friends and family. Widgets provide quick access to your schedule and memories.

Highlights
  • Personal calendar management
  • Shared event scheduling
  • Public event visibility
  • Photo and diary memories
  • Home screen widgets
  • Google/Apple Calendar integration
Features
Read full description

Use it as your personal calendar, and effortlessly share events with your significant other, family, or friends. 1. **Personal Calendar** Use it as your personal calendar. Reto Calendar allows you to use it on your own, recording photos and diaries for past events. 2. **Shared Calendar** Have plans with a friend? Tag them in the event. It will automatically be added to your friend's calendar too, and you can both upload photos together. 3. **Public Events** Want to show your schedule to others? Make your events public. Friends visiting your calendar can see them. 4. **Memories from Past Events** Leave photos and diaries for past events. You can comment with friends who were part of those memories and share stories. 5. **Widgets** There are five types of widgets: daily, weekly, and monthly. Reminisce memories and keep track of your schedule right from your home screen. 6. **Integration with Google/Apple Calendar** Bring together various calendars from your smartphone to view them all at once.

Screenshots

RMMBA3 screens
Reto4 screens

Verdict

The call

The clearest difference is price: Reto at Free against RMMBA's $0.99. Reto also leads on update cadence (every 6 days vs every 38 months) and iOS requirement (13.0 vs 16.0). On 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

Reto is free to download; RMMBA costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RMMBA ships an update every 38 months, Reto every 6 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
RMMBA versus Reto: the parameters behind the verdict, then further details
ParameterRMMBAReto
Price$0.99Free — better
Rating—4.6 (5 ratings) — better
Positive reviews—92.3% of reviews
Number of ratings—5 — better
Update frequencyEvery 38 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size1 MB112 MB
Age rating4+4+
DeveloperPhilipp BaldaufUnCheon Baek

In-app purchases

None

RMMBA

No in-app purchases

None

Reto

No in-app purchases

Questions

Is RMMBA free?
RMMBA costs $0.99, with no in-app purchases.
Is Reto free?
Reto is free to download, with no in-app purchases.
Do RMMBA or Reto have ads?
Neither RMMBA nor Reto shows ads.
Which is updated more often, RMMBA or Reto?
RMMBA ships an update every 38 months, and Reto every 6 days. Most recently, RMMBA was updated on October 25, 2026 and Reto on October 30, 2026.

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